Prof Serge Wich

Journal article

Descals A, Gaveau DLA, Wich S, Szantoi Z, Meijaard E. 2024. Global mapping of oil palm planting year from 1990 to 2021 Earth System Science Data, 16 :5111-5129 DOI Publisher Url Public Url

Trinh-Dinh H, Wearn OR, Ngoprasert D, Wich S, Savini T. 2024. A drone-based population survey of Delacour's langur (Trachypithecus delacouri) in the karst forests of northern Vietnam Biological Conservation, 300 DOI Publisher Url Public Url

Pinel-Ramos EJ, Aureli F, Wich S, Peterson MF, Dias PA, Spaan D. 2024. The Behavioral Responses of Geoffroy’s Spider Monkeys to Drone Flights Drones, 8 DOI Publisher Url Public Url

Pinel-Ramos EJ, Aureli F, Wich S, Longmore SN, Spaan D. 2024. Evaluating Thermal Infrared Drone Flight Parameters on Spider Monkey Detection in Tropical Forests Sensors, 24 DOI Author Url Publisher Url Public Url

Kissling WD, Evans JC, Zilber R, Breeze TD, Shinneman S, Schneider LC, Chalmers C, Fergus P, Wich SA, Geelen LHWT. 2024. Development of a cost-efficient automated wildlife camera network in a European Natura 2000 site Basic and Applied Ecology, 79 :141-152 DOI Publisher Url Public Url

Seaman DJI, Voigt M, Ancrenaz M, Bocedi G, Meijaard E, Oram F, Palmer SCF, Santika T, Sherman J, Travis JMJ, Wich S, Humle T, Supriatna J, Struebig MJ. 2024. Capacity for recovery in Bornean orangutan populations when limiting offtake and retaining forest Diversity and Distributions, DOI Publisher Url Public Url

Permana AL, Permana JJ, Nellissen L, Prasetyo D, Wich SA, van Schaik CP, Schuppli C. 2024. The ontogeny of nest-building behaviour in Sumatran orang-utans, Pongo abelii Animal Behaviour, 211 :53-67 DOI Publisher Url Public Url

Cooper DLM, Lewis SL, Sullivan MJP, Prado PI, Ter Steege H, Barbier N, Slik F, Sonké B, Ewango CEN, Adu-Bredu S, Affum-Baffoe K, de Aguiar DPP, Ahuite Reategui MA, Aiba S-I, Albuquerque BW, de Almeida Matos FD, Alonso A, Amani CA, do Amaral DD, do Amaral IL, Andrade A, de Andrade Miranda IP, Angoboy IB, Araujo-Murakami A, Arboleda NC, Arroyo L, Ashton P, Aymard C GA, Baider C, Baker TR, Balinga MPB, Balslev H, Banin LF, Bánki OS, Baraloto C, Barbosa EM, Barbosa FR, Barlow J, Bastin J-F, Beeckman H, Begne S, Bengone NN, Berenguer E, Berry N, Bitariho R, Boeckx P, Bogaert J, Bonyoma B, Boundja P, Bourland N, Boyemba Bosela F, Brambach F, Brienen R, Burslem DFRP, Camargo JL, Campelo W, Cano A, Cárdenas S, Cárdenas López D, de Sá Carpanedo R, Carrero Márquez YA, Carvalho FA, Casas LF, Castellanos H, Castilho CV, Cerón C, Chapman CA, Chave J, Chhang P, Chutipong W, Chuyong GB, Cintra BBL, Clark CJ, Coelho de Souza F, Comiskey JA, Coomes DA, Cornejo Valverde F, Correa DF, Costa FRC, Costa JBP, Couteron P, Culmsee H, Cuni-Sanchez A, Dallmeier F, Damasco G, Dauby G, Dávila N, Dávila Doza HP, De Alban JDT, de Assis RL, De Canniere C, De Haulleville T, de Jesus Veiga Carim M, Demarchi LO, Dexter KG, Di Fiore A, Din HHM, Disney MI, Djiofack BY, Djuikouo M-NK, Do TV, Doucet J-L, Draper FC, Droissart V, Duivenvoorden JF, Engel J, Estienne V, Farfan-Rios W, Fauset S, Feeley KJ, Feitosa YO, Feldpausch TR, Ferreira C, Ferreira J, Ferreira LV, Fletcher CD, Flores BM, Fofanah A, Foli EG, Fonty É, Fredriksson GM, Fuentes A, Galbraith D, Gallardo Gonzales GP, Garcia-Cabrera K, García-Villacorta R, Gomes VHF, Gómez RZ, Gonzales T, Gribel R, Guedes MC, Guevara JE, Hakeem KR, Hall JS, Hamer KC, Hamilton AC, Harris DJ, Harrison RD, Hart TB, Hector A, Henkel TW, Herbohn J, Hockemba MBN, Hoffman B, Holmgren M, Honorio Coronado EN, Huamantupa-Chuquimaco I, Hubau W, Imai N, Irume MV, Jansen PA, Jeffery KJ, Jimenez EM, Jucker T, Junqueira AB, Kalamandeen M, Kamdem NG, Kartawinata K, Kasongo Yakusu E, Katembo JM, Kearsley E, Kenfack D, Kessler M, Khaing TT, Killeen TJ, Kitayama K, Klitgaard B, Labrière N, Laumonier Y, Laurance SGW, Laurance WF, Laurent F, Le TC, Le TT, Leal ME, Leão de Moraes Novo EM, Levesley A, Libalah MB, Licona JC, Lima Filho DDA, Lindsell JA, Lopes A, Lopes MA, Lovett JC, Lowe R, Lozada JR, Lu X, Luambua NK, Luize BG, Maas P, Magalhães JLL, Magnusson WE, Mahayani NPD, Makana J-R, Malhi Y, Maniguaje Rincón L, Mansor A, Manzatto AG, Marimon BS, Marimon-Junior BH, Marshall AR, Martins MP, Mbayu FM, de Medeiros MB, Mesones I, Metali F, Mihindou V, Millet J, Milliken W, Mogollón HF, Molino J-F, Mohd Said MN, Monteagudo Mendoza A, Montero JC, Moore S, Mostacedo B, Mozombite Pinto LF, Mukul SA, Munishi PKT, Nagamasu H, Nascimento HEM, Nascimento MT, Neill D, Nilus R, Noronha JC, Nsenga L, Núñez Vargas P, Ojo L, Oliveira AA, de Oliveira EA, Ondo FE, Palacios Cuenca W, Pansini S, Pansonato MP, Paredes MR, Paudel E, Pauletto D, Pearson RG, Pena JLM, Pennington RT, Peres CA, Permana A, Petronelli P, Peñuela Mora MC, Phillips JF, Phillips OL, Pickavance G, Piedade MTF, Pitman NCA, Ploton P, Popelier A, Poulsen JR, Prieto A, Primack RB, Priyadi H, Qie L, Quaresma AC, de Queiroz HL, Ramirez-Angulo H, Ramos JF, Reis NFC, Reitsma J, Revilla JDC, Riutta T, Rivas-Torres G, Robiansyah I, Rocha M, Rodrigues DDJ, Rodriguez-Ronderos ME, Rovero F, Rozak AH, Rudas A, Rutishauser E, Sabatier D, Sagang LB, Sampaio AF, Samsoedin I, Satdichanh M, Schietti J, Schöngart J, Scudeller VV, Seuaturien N, Sheil D, Sierra R, Silman MR, Silva TSF, da Silva Guimarães JR, Simo-Droissart M, Simon MF, Sist P, Sousa TR, de Sousa Farias E, de Souza Coelho L, Spracklen DV, Stas SM, Steinmetz R, Stevenson PR, Stropp J, Sukri RS, Sunderland TCH, Suzuki E, Swaine MD, Tang J, Taplin J, Taylor DM, Tello JS, Terborgh J, Texier N, Theilade I, Thomas DW, Thomas R, Thomas SC, Tirado M, Toirambe B, de Toledo JJ, Tomlinson KW, Torres-Lezama A, Tran HD, Tshibamba Mukendi J, Tumaneng RD, Umaña MN, Umunay PM, Urrego Giraldo LE, Valderrama Sandoval EH, Valenzuela Gamarra L, Van Andel TR, van de Bult M, van de Pol J, van der Heijden G, Vasquez R, Vela CIA, Venticinque EM, Verbeeck H, Veridiano RKA, Vicentini A, Vieira ICG, Vilanova Torre E, Villarroel D, Villa Zegarra BE, Vleminckx J, von Hildebrand P, Vos VA, Vriesendorp C, Webb EL, White LJT, Wich S, Wittmann F, Zagt R, Zang R, Zartman CE, Zemagho L, Zent EL, Zent S. 2024. Consistent patterns of common species across tropical tree communities. Nature, 625 :728-734 DOI Author Url Publisher Url Public Url

Meijaard E, Unus N, Ariffin T, Dennis R, Ancrenaz M, Wich SA, Wunder S, Goh CS, Sherman J, Ogwu MC, Refisch J, Ledgard J, Sheil D, Hockings K. 2023. Apes and Agriculture Frontiers in Conservation Science, 4 :1-18 DOI Publisher Url Public Url

Descals A, Wich S, Szantoi Z, Struebig MJ, Dennis R, Hatton Z, Ariffin T, Unus N, Gaveau DLA, Meijaard E. 2023. High-resolution global map of closed-canopy coconut palm Earth System Science Data, 15 :3991-4010 DOI Publisher Url Public Url

Bonnin N, Piel AK, Brown RP, Li Y, Connell AJ, Avitto AN, Boubli JP, Chitayat A, Giles J, Gundlapally MS, Lipende I, Lonsdorf EV, Mjungu D, Mwacha D, Pintea L, Pusey AE, Raphael J, Wich SA, Wilson ML, Wroblewski EE, Hahn BH, Stewart FA. 2023. Barriers to chimpanzee gene flow at the south-east edge of their distribution. Molecular ecology, DOI Author Url Publisher Url Public Url

Jackman A, Millner N, Cunliff AM, Laumonier Y, Lunstrum E, Paneque-Gálvez J, Wich SA. 2023. Protecting people and wildlife from the potential harms of drone use in biodiversity conservation: interdisciplinary dialogues Global Social Challenges Journal, 20 DOI Publisher Url Public Url

Fergus P, Chalmers C, Longmore SN, Wich S, Warmenhove C, Swart J, Ngongwane T, Burger A, Ledgard J, Meijaard E. 2023. Empowering Wildlife Guardians: An Equitable Digital Stewardship and Reward System for Biodiversity Conservation Using Deep Learning and 3/4G Camera Traps Remote Sensing, 15 DOI Publisher Url Public Url

Chalmers C, Fergus P, Wich SA, Longmore SN, Walsh ND, Stephens PA, Sutherland C, Matthews N, Mudde J, Nuseibeh A. 2023. Removing Human Bottlenecks in Bird Classification Using Camera Trap Images and Deep Learning Remote Sensing, 15 :2638-2638 DOI Publisher Url Public Url

Wich S, Bonnin N, Hutschenreiter A, Piel AK, Chitayat A, Stewart FA, Pintea L, Kerby J. 2023. Using Drones to Determine Chimpanzee Absences at the Edge of Their Distribution in Western Tanzania Remote Sensing, 15 DOI Publisher Url Public Url

Sherman J, Voigt M, Ancrenaz M, Wich SA, Qomariah I, Lyman E, Massingham E, Meijaard E. 2022. Orangutan killing and trade in Indonesia: Wildlife crime, enforcement, and deterrence patterns Biological Conservation, DOI Publisher Url Public Url

Hankinson E, Korstjens AH, Hill RA, Wich SA, Slater HD, Abdullah A, Supradi S, Marsh CD, Nijman V. 2022. Effects of anthropogenic disturbance on group densities of Thomas' langurs (Presbytis thomasi) within a lowland tropical forest, north Sumatra Ecological Research, DOI Publisher Url Public Url

Mesquita GP, Mulero-Pázmány M, Wich SA, Rodríguez-Teijeiro JD. 2022. Terrestrial Megafauna Response to Drone Noise Levels in Ex Situ Areas Drones, 6 DOI Publisher Url Public Url

Meijaard E, Sheil D, Sherman J, Chua, L, Ni'matullah S, Wilson K, Ancrenaz M, Liswanto D, Wich SA, Goosens B, Kühl HS, Voigt M, Rayadin Y, Kurniawan Y, Trianto A, Priatna D, Banes GL, Massingham E, Payne J, Marshall AJ. 2022. Restoring the orangutan in a Whole- or Half-Earth context Oryx: journal of fauna and flora international, DOI Publisher Url Public Url

Voigt M, Kühl HS, Ancrenaz M, Gaveau D, Meijaard E, Santika T, Sherman J, Wich SA, Wolf F, Struebig MJ, Pereira HM, Rosa IMD. 2022. Deforestation projections imply range-wide population decline for critically endangered Bornean orangutan Perspectives in Ecology and Conservation, 20 :240-248 DOI Publisher Url Public Url

Westworth SOA, Chalmers C, Fergus P, Longmore SN, Piel AK, Wich SA. 2022. Understanding External Influences on Target Detection and Classification Using Camera Trap Images and Machine Learning Sensors, 22 :5386-5386 DOI Author Url Publisher Url Public Url

Mesquita GP, Mulero-Pázmány M, Wich SA, Rodríguez-Teijeiro JD. 2022. A practical approach with drones, smartphones, and tracking tags for potential real-time animal tracking Current Zoology, 69 :208-214 DOI Publisher Url Public Url

Plumptre AJ, Baisero D, Benítez-López A, Faurby S, Gallego-Zamorano J, Kühl HS, Luna-Aranguré C, Vázquez-Domínguez E, Voigt M, Wich S, Wint GRW. 2022. Response: Where Might We Find Ecologically Intact Communities? Frontiers in Forests and Global Change, 5 DOI Publisher Url Public Url

Lameira AR, Santamaría-Bonfil G, Galeone4, D, Gamba M, Hardus ME, Knott CD, Morrogh-Bernard H, Nowak MG, Campbell-Smith G, Wich S. 2022. Sociality predicts orangutan vocal phenotype Nature Ecology and Evolution, DOI Author Url Publisher Url Public Url

Santika T, Sherman J, Voigt M, Ancrenaz M, Wich SA, Meijaard E. 2022. Effectiveness of 20 years of conservation investments in protecting orangutans Current Biology, 32 :1754-1763 DOI Author Url Publisher Url Public Url

Spaan D, Di Fiore A, Rangel-Rivera CE, Hutschenreiter A, Wich SA, Aureli F. 2022. Detecting spider monkeys from the sky using a high-definition RGB camera: a rapid-assessment survey method? Biodiversity and Conservation, DOI Author Url Publisher Url Public Url

Sherman J, Unwin S, Travis DA, Oram F, Wich SA, Jaya RL, Voigt M, Santika T, Massingham E, Seaman DJI, Meijaard E, Ancrenaz M. 2021. Disease Risk and Conservation Implications of Orangutan Translocations Frontiers in Veterinary Science, 8 DOI Author Url Publisher Url Public Url

Piel AK, Crunchant AS, Knot IE, Chalmers C, Fergus P, Mulero-Pázmány M, Wich SA. 2021. Noninvasive Technologies for Primate Conservation in the 21st Century International Journal of Primatology, DOI Author Url Publisher Url Public Url

Lameira AR, Alexandre A, Gamba M, Nowak MG, Vicente R, Wich SA. 2021. Orangutan information broadcast via consonant-like and vowel-like calls breaches mathematical models of linguistic evolution Biology Letters, 17 DOI Author Url Publisher Url Public Url

Seaman DJI, Voigt M, Bocedi G, Travis JMJ, Palmer SCF, Ancrenaz M, Wich S, Meijaard E, Bernard H, Deere NJ, Humle T, Struebig MJ. 2021. Orangutan movement and population dynamics across human-modified landscapes: implications of policy and management Landscape Ecology, DOI Author Url Publisher Url Public Url

Doull KE, Chalmers C, Fergus P, Longmore SN, Piel AK, Wich SA. 2021. An Evaluation of the Factors Affecting 'Poacher' Detection with Drones and the Efficacy of Machine-Learning for Detection. Sensors, 21 DOI Author Url Publisher Url Public Url

Carvalho JS, Graham B, Bocksberger G, Maisels F, Williamson EA, Wich S, Sop T, Amarasekaran B, Barca B, Barrie A, Bergl RA, Boesch C, Boesch H, Brncic TM, Buys B, Chancellor R, Danquah E, Doumbé OA, Le-Duc SY, Galat-Luong A, Ganas J, Gatti S, Ghiurghi A, Goedmakers A, Granier N, Hakizimana D, Haurez B, Head J, Herbinger I, Hillers A, Jones S, Junker J, Maputla N, Manasseh EN, McCarthy MS, Molokwu-Odozi M, Morgan BJ, Nakashima Y, N’Goran PK, Nixon S, Nkembi L, Normand E, Nzooh LDZ, Olson SH, Payne L, Petre CA, Piel AK, Pintea L, Plumptre AJ, Rundus A, Serckx A, Stewart FA, Sunderland-Groves J, Tagg N, Todd A, Vosper A, Wenceslau JFC, Wessling EG, Willie J, Kühl HS. 2021. Predicting range shifts of African apes under global change scenarios Diversity and Distributions: a journal of conservation biogeography, DOI Author Url Publisher Url Public Url

Plumptre AJ, Baisero D, Travis Belote R, Vázquez-Domínguez E, Faurby S, Jȩdrzejewski W, Kiara H, Kühl H, Benítez-López A, Luna-Aranguré C, Voigt M, Wich SA, Wint W, Gallego-Zamorano J, Boyd C. 2021. Where Might We Find Ecologically Intact Communities? Frontiers in Forests and Global Change, DOI Author Url Publisher Url Public Url

Chalmers C, Fergus P, Curbelo Montañez CA, Longmore SN, Wich SA. 2021. Video Analysis for the Detection of Animals Using Convolutional Neural Networks and Consumer-Grade Drones Journal of Unmanned Vehicle Systems, DOI Publisher Url Public Url

Descals A, Wich SA, Meijaard E, Gaveau DLA, Peedell S, Szantoi Z. 2021. High-resolution global map of smallholder and industrial closed-canopy oil palm plantations Earth System Science Data, 3 :1211-1231 DOI Author Url Publisher Url Public Url

Amato KR, Chaves ÓM, Mallott EK, Eppley TM, Abreu F, Baden AL, Barnett AA, Bicca-Marques JC, Boyle SA, Campbell CJ, Chapman CA, De la Fuente MF, Fan P, Fashing PJ, Felton A, Fruth B, Fortes VB, Grueter CC, Hohmann G, Irwin M, Matthews JK, Mekonnen A, Melin AD, Morgan DB, Ostner J, Nguyen N, Piel AK, Pinacho-Guendulain B, Quintino-Arêdes EP, Razanaparany PT, Schiel N, Sanz CM, Schülke O, Shanee S, Souto A, Souza-Alves JP, Stewart F, Stewart KM, Stone A, Sun B, Tecot S, Valenta K, Vogel ER, Wich S, Zeng Y. 2021. Fermented food consumption in wild nonhuman primates and its ecological drivers. American Journal of Physical Anthropology, DOI Author Url Publisher Url Public Url

Chitayat A, Wich SA, Lewis M, Stewart FA, Piel AK. 2021. Ecological correlates of chimpanzee (Pan troglodytes schweinfurthii) density in Mahale Mountains National Park, Tanzania PLoS One, 16 DOI Author Url Publisher Url Public Url

Ancrenaz M, Oram F, Nardiyono N, Silmi M, Jopony M, Voigt M, Seaman D, Sherman J, Lackman I, Traeholt C, Wich SA, Santika T, Struebig M, Meijaard E. 2021. Importance of Small Forest Fragments in Agricultural Landscapes for Maintaining Orangutan Metapopulations Frontiers In Forests And Global Change, 4 DOI Author Url Publisher Url Public Url

Milne S, Martin JGA, Reynolds G, Vairappan CS, Slade EM, Brodie JF, Wich SA, Williamson N, Burslem DFRP. 2021. Drivers of Bornean orangutan distribution across a multiple-use tropical landscape Remote Sensing, 13 DOI Author Url Publisher Url Public Url

Meijaard E, Ni'matulah S, Dennis R, Sherman J, Onrizal O, Wich SA. 2021. The historical range and drivers of decline of the Tapanuli orangutan PLoS One, DOI Author Url Publisher Url Public Url

Junker J, Petrovan SO, Arroyo-Rodriguez V, Boonratana R, Byler D, Chapman CA, Chetry D, Cheyne SM, Cornejo FM, Cortes-Ortiz L, Cowlishaw G, Christie AP, Crockford C, De La Torre S, De Melo FR, Fan P, Grueter CC, Guzman-Caro DC, Heymann EW, Herbinger I, Hoang MD, Horwich RH, Humle T, Ikemeh RA, Imong IS, Jerusalinsky L, Johnson SE, Kappeler PM, Kierulff MCM, Kone I, Kormos R, Le KQ, Li B, Marshall AJ, Meijaard E, Mittermeier RA, Muroyama Y, Neugebauer E, Orth L, Palacios E, Papworth SK, Plumptre AJ, Rawson BM, Refisch J, Ratsimbazafy J, Roos C, Setchell JM, Smith RK, Sop T, Schwitzer C, Slater K, Strum SC, Sutherland WJ, Talebi M, Wallis J, Wich S, Williamson EA, Wittig RM, Kuehl HS. 2021. A Severe Lack of Evidence Limits Effective Conservation of the World's Primates (vol 85, pg 613, 2020) BIOSCIENCE, 71 :105-105 DOI Author Url Publisher Url

Meijaard E, Brooks T, Carlson KM, Slade EM, Garcia Ulloa J, Gaveau DLA, Lee JSH, Santika T, Juffe-Bignoli D, Struebig MJ, Wich SA, Ancrenaz M, Koh LP, Zamira N, Abrams JF, Prins HHT, Sendashonga CN, Murdiyarso D, Furomo PR, Macfarlane N, Hoffmann R, Persio M, Descals A, Szantoi Z, Sheil D. 2020. The environmental impacts of palm oil in context Nature Plants, 6 :1418-1426 DOI Author Url Publisher Url Public Url

Bonnin N, Stewart FA, Wich SA, Pintea L, Jantz S, Dickson R, Bellis J, Chitayat A, Ingram R, Moore R, Piel A. 2020. Modelling landscape connectivity change for chimpanzee conservation in Tanzania Biological Conservation, 252 DOI Author Url Publisher Url Public Url

Junker J, Petrovan SO, Arroyo-RodrÍguez V, Boonratana R, Byler D, Chapman CA, Chetry D, Cheyne SM, Cornejo FM, CortÉs-Ortiz L, Cowlishaw G, Christie AP, Crockford C, Torre SDL, De Melo FR, Fan P, Grueter CC, GuzmÁn-Caro DC, Heymann EW, Herbinger I, Hoang MD, Horwich RH, Humle T, Ikemeh RA, Imong IS, Jerusalinsky L, Johnson SE, Kappeler PM, Kierulff MCM, KonÉ I, Kormos R, Le KQ, Li B, Marshall AJ, Meijaard E, Mittermeier RA, Muroyama Y, Neugebauer E, Orth L, Palacios E, Papworth SK, Plumptre AJ, Rawson BM, Refisch J, Ratsimbazafy J, Roos C, Setchell JM, Smith RK, Sop T, Schwitzer C, Slater K, Strum SC, Sutherland WJ, Talebi M, Wallis J, Wich S, Williamson EA, Wittig RM, KÜhl HS. 2020. A Severe Lack of Evidence Limits Effective Conservation of the World's Primates. Bioscience, 70 :794-803 DOI Author Url Publisher Url Public Url

Laurance WF, Wich SA, Onrizal O, Fredriksson G, Usher G, Santika T, Byler D, Mittermeier R, Kormos R, Williamson E, Meijaard E. 2020. Tapanuli orangutan endangered by Sumatran hydropower scheme Nature Ecology and Evolution, DOI Author Url Publisher Url Public Url

Mesquita GP, Rodríguez-Teijeiro JD, Wich SA, Mulero-Pázmány M. 2020. Measuring disturbance at a swift breeding colonies due to the visual aspects of a drone: a quasi-experiment study Current Zoology, DOI Author Url Publisher Url Public Url

Muscarella RE, Emilio T, Phillips OL, Lewis SL, Silk F, Baker WJ, Couvreur TLP, Eiserhardt WL, Svenning JC, Affum-Baffoe K, Aiba SI, de Almeida EC, de Almeida SS, de Oliveira EA, Álvarez-Dávila E, Alves LF, Alvez-Valles CM, Alvim Carvalho F, Alzate Guarin F, Andrade A, Aragão LEOC, Araujo Murakami A, Arroyo L, Ashton PS, Aymard Corredor GA, Baker TR, Barbosa de Camargo P, Barlow J, Bastin JF, Bengone NN, Berenguer E, Berry N, Blanc L, Böhning-Gaese K, Bona D, Bongers F, Bradford M, Brambach F, Brearley FQ, Brewer SW, Camargo JLC, Campbell DG, Castilho CV, Castro W, Catchpole D, Cerón Martínez CE, Chen S, Chhang P, Cho P, Chutipong W, Clark C, Collins M, Comiskey JA, Corrales Medina MN, Costa FRC, Culmsee H, David-Higuita H, Davidar P, del Aguila-Pasquel J, Derroire G, Di Fiore A, Van Do T, Doucet JL, Dourdain A, Drake DR, Ensslin A, Erwin T, Ewango CEN, Ewers RM, Fauset S, Feldpausch T, Ferreira J, Ferreira LL, Fischer M, Franklin J, Fredriksson GM, Gillespie TW, Gilpin M, Gonmadje C, Gunatilleke AUN, Hakeem KR, Hall JS, Hamer KC, Harris DJ, Harrison RD, Hector A, Hemp A, Herault B, Hidalgo Pizango CG, Honorio Coronado EN, Hubau W, Hussain MS, Ibrahim FH, Imai N, Joly CA, Joseph S, Kartawinata K, Kassi J, Killeen TJ, Kitayama K, Klitgård BB, Kooyman R, Labrière N, Larney E, Laumonier Y, Laurance SG, Laurance WF, Lawes MJ, Levesley A, Lisingo J, Lovejoy T, Lovett J, Lu X, Lykke AM, Magnusson WE, Mahayani NPD, Malhi Y, Mansor A, Marcelo Peña JL, Marimon-Junior BH, Marshall AR, Melgaco K, Mendoza Bautista C, Mihindou V, Millet J, Milliken W, Mohandass D, Monteagudo Mendoza AL, Mugerwa B, Nagamasu H, Nagy L, Naret Seuaturien , Nascimento MT, Neill DA, Neto LM, Nilus R, Núñez Vargas MP, Nurtjahya E, Nazaré O. de Araújo R, Onrizal O, Palacios WA, Palacios-Ramos S, Parren M, Paudel E, Morandi PS, Pennington RT, Pickavance G, Pipoly III JJ, Pitman NCA, Poedjirahajoe E, Poorter L, Poulsen JR, Prasad PRC, Prieto A, Puyravaud JP, Qie L, Quesada CA, Ramírez-Angulo H, Razafimahaimodison JC, Reitsma JM, Requena-Rojas EJ, Restrepo Correa Z, Reynel Rodriguez C, Roopsind A, Rovero F, Rozak A, Rudas Lleras A, Rutishauser E, Rutten G, Ruwan Punchi-Manage , Salomão RP, Sam HV, Sarker SK, Satdichanh M, Schietti J, Schmitt CB, Schwantes Marimon B, Senbeta F, Sharma LN, Sheil D, Sierra R, Silva-Espejo JE, Silveira M, Sonké B, Steininger MK, Steinmetz R, Stevart T, Sukumar R, Sultana A, Sunderland T, Suresh HS, Tang J, Tanner E, ter Steege H, Terborgh JW, Theilade I, Timberlake J, Torres-Lezama A, Umunay P, Uriarte M, Valenzuela Gamarra L, van de Bult M, van der Hout P, Vasquez Martinez R, Vieira ICG, Vieira SA, Vilanova E, Villalobos Cayo J, Wang O, Webb CO, Webb EL, White L, Whitfeld TJS, Wich SA, Willcock S, Wiser SK, Young KR, Zakaria R, Zang R, Zartman CE, Zo-Bi IC, Balslev H. 2020. The global abundance of tree palms Global Ecology and Biogeography, DOI Author Url Publisher Url Public Url

Knot I, Zouganelis GD, Weedall GD, Wich SA, Rae R. 2020. DNA barcoding of nematodes using the MinION Frontiers in Ecology and Evolution, DOI Author Url Publisher Url Public Url

Rafiq K, Hayward MW, Wilson AM, Meloro C, Jordan NR, Wich SA, McNutt JW, Golabek KA. 2020. Spatial and temporal overlaps between leopards (Panthera pardus) and their competitors in the African large predator guild Journal of Zoology, DOI Author Url Publisher Url Public Url

Roth TS, Rianti P, Fredriksson GM, Wich SA, Nowak MG. 2020. Grouping behavior of Sumatran orangutans (Pongo abelii) and Tapanuli orangutans (Pongo tapanuliensis) living in forest with low fruit abundance American Journal of Primatology, DOI Author Url Publisher Url Public Url

Onstein R, Vink D, Veen J, Barratt C, Flantua S, Wich SA, Kissling D. 2020. Palm fruit colours are linked with the broad-scale distribution and diversification of primate colour vision systems Proceedings of the Royal Society B: Biological Sciences, 287 DOI Author Url Publisher Url Public Url

Rafiq K, Jordan NR, Meloro C, Wilson AM, Hayward MW, Wich SA, McNutt JW. 2020. Scent-marking strategies of a solitary carnivore: boundary and road scent marking in the leopard Animal Behaviour, 161 :115-126 DOI Author Url Publisher Url Public Url

Chua, L, Wich SA. 2020. Conservation and the social sciences: beyond critique and co-optation. A case study from orangutan conservation People and Nature, DOI Publisher Url Public Url

Sherman J, Ancrenaz M, Voigt M, Oram F, Santika T, Wich SA, Meijaard E. 2020. Envisioning a future for Bornean orangutans: Conservation impacts of action plan implementation and recommendations for improved population outcomes Biodiversitas, 21 :465-477 DOI Publisher Url Public Url

Burivalova Z, Game ET, Wahyudi B, Ruslandi , Rifqi M, MacDonald E, Cushman S, Voigt M, Wich SA, Wilcove D. 2019. Does biodiversity benefit when the logging stops? An analysis of conservation risks and opportunities in active versus inactive logging concessions in Borneo Biological Conservation, 241 DOI Author Url Publisher Url Public Url

Harisson M, Bramansa Ottay J, D’Arcy LJ, Cheyne SM, Anggodo , Belcher C, Cole L, Dohong A, Ermiasi Y, Feldpausch T, Gallego‐Sala A, Gunawan A, Höing A, Husson SJ, Kulu IP, Maimunah Soebagio S, Mang S, Mercado L, Morrogh‐Bernard HC, Page SE, Priyanto R, Ripoll Capilla R, Rowland L, Santos EM, Schreer V, Sudyana IN, Taman SBB, Thornton SA, Upton C, Wich SA, van Veen FJF. 2019. Tropical forest and peatland conservation in Indonesia: Challenges and directions People and Nature, DOI Publisher Url Public Url

Rafiq K, Jordan NR, Wilson AM, McNutt JW, Hayward MW, Meloro C, Wich SA, Golabek KA. 2019. Spatio-temporal factors impacting encounter occurrences between leopards and other large African predators Journal of Zoology, 310 :191-200 DOI Author Url Publisher Url Public Url

Descals A, Szantoi Z, Meijaard E, Sutikno H, Rindanata G, Wich SA. 2019. Oil Palm (Elaeis guineensis) Mapping with Details: Smallholder versus Industrial Plantations and their Extent in Riau, Sumatra Remote Sensing, 11 DOI Author Url Publisher Url Public Url

Oliveira-Da-Costa M, Marmontel M, Da Rosa DSX, Coehlo A, Wich SA, Mosquera-Guerra F, Trujillo F. 2019. Effectiveness of Unmanned Aerial Vehicles for detection of Amazon dolphins Oryx, 54 :696-698 DOI Author Url Publisher Url Public Url

Burke C, McWhirter PR, Veitch-Michaelis J, McAree O, Pointon HAG, Wich SA, Longmore SN. 2019. Requirements and Limitations of Thermal Drones for Effective Search and Rescue in Marine and Coastal Areas Drones, 3/4 DOI Author Url Publisher Url Public Url

Rafiq K, Bryce CM, Rich LN, Coco C, Miller DAW, Meloro C, Wich SA, McNutt JW, Hayward MW. 2019. Tourist photographs as a scalable framework for wildlife monitoring in protected areas Current Biology, 29 :R681-R682 DOI Author Url Publisher Url Public Url

Plumptre AJ, Baisero D, Jędrzejewski W, Kühl H, Maisels F, Ray JC, Sanderson E, Strindberg S, Wich SA. 2019. Are We Capturing Faunal Intactness? A Comparison of Intact Forest Landscapes and the “Last of the Wild in Each Ecoregion” Frontiers In Forests And Global Change, 2 DOI Publisher Url Public Url

Carvalho JS, Graham B, Rebelo H, Bocksberger G, Meyer CFJ, Wich SA, Kühl HS. 2019. A global risk assessment of primates under climate and land use/cover scenarios Global Change Biology, DOI Author Url Publisher Url Public Url

Burke C, Rashman MF, Longmore SN, McAree O, Glover-Kapfer P, Ancrenaz M, Wich SA. 2019. Successful observation of orangutans in the wild with thermal-equipped drones Journal of Unmanned Vehicle Systems, DOI Publisher Url Public Url

Wich SA, Fredriksson G, Usher G, Kühl HS, Nowak MG. 2019. The Tapanuli orangutan: Status, threats, and steps for improved conservation Conservation Science and Practice, :e33-e33 DOI Author Url Publisher Url Public Url

Spaan D, Burke C, McAree O, Aureli F, Rangel-Rivera C, Hutschenreiter A, Longmore SN, McWhirter PR, Wich SA. 2019. Thermal Infrared Imaging from Drones Offers a Major Advance for Spider Monkey Surveys Drones, 3 DOI Author Url Publisher Url Public Url

Hambrecht L, Brown RP, Piel AK, Wich SA. 2019. Detecting ‘poachers’ with drones: Factors influencing the probability of detection with TIR and RGB imaging in miombo woodlands, Tanzania Biological Conservation, 233 :109-117 DOI Author Url Publisher Url Public Url

Burke C, Wich SA, Kusin K, McAree O, Harrison M, Ripoll B, Ermiasi Y, Mulero-Pázmány M, Longmore SN. 2019. Thermal-Drones as a Safe and Reliable Method for Detecting Subterranean Peat Fires Wang E. Drones, 3 DOI Author Url Publisher Url Public Url

Burke C, Rashman M, Wich S, Symons A, Theron C, Longmore S. 2019. Optimizing observing strategies for monitoring animals using drone-mounted thermal infrared cameras International Journal of Remote Sensing, 40 :439-467 DOI Author Url Publisher Url Public Url

Strona G, Stringer S, Vieilledent G, Szantoi Z, Garcia-Ulloa J, Wich SA. 2018. Small room for compromise between oil palm cultivation and primate conservation in Africa Proceedings of the National Academy of Sciences, DOI Author Url Publisher Url Public Url

Buchanan GM, Beresford AE, Hebblewhite M, Escobedo FJ, De Klerk HM, Donald PF, Escribano P, Koh LP, Martinez-Lopez J, Pettorelli N, Skidmore AK, Szantoi Z, Tabor K, Wegmann M, Wich SA. 2018. Free satellite data key to conservation Science, 361 :139-140 DOI Author Url Publisher Url Public Url

Spehar S, Sheil D, Harrison T, Louys J, Ancrenaz M, Marshall A, Wich SA, Bruford M, Meijaard E. 2018. Orangutans venture out of the rainforest and into the Anthropocene Science Advances, 4 DOI Author Url Publisher Url Public Url

Estrada A, Garber P, Mittermeier R, Wich SA, Gouveia S, Dobrovolski R, Nekaris KAI, Nijman V, Rylands AB, Maisels F, Williamson EA, Bicca-Marques J, Fuentes A, Jerusalinsky L, Johnson S, Rodrigues de Melo F, Oliveira L, Schwitzer C, Roos C, Cheyne SM, Kierulf MCM, Raharivololona B, Talebi M, Ratsimbazafy J, Supriatna J, Boonratana R, Wedana M, Setiawan A. 2018. Primates in peril: the significance of Brazil, Madagascar, Indonesia and the Democratic Republic of the Congo for global primate conservation PeerJ, 15 DOI Author Url Publisher Url Public Url

Alexander C, Korstjens A, Hankinson E, Usher G, Harrison N, Nowak M, Abdullah A, Wich SA, Hill R. 2018. Locating emergent trees in a tropical rainforest using data from an Unmanned Aerial Vehicle (UAV) International Journal of Applied Earth Observation and Geoinformation, 72 :86-90 DOI Author Url Publisher Url Public Url

Bonnin N, van Andel S, Kerby J, Piel AK, Pintea L, Wich SA. 2018. Assessment of Chimpanzee Nests Detectability on Drone-Acquired Images Drones, 2 DOI Author Url Publisher Url Public Url

Ancrenaz M, Barton C, Riger P, Wich SA. 2018. Building relationships: how zoos and other partners can contribute to the conservation of wild orangutans International Zoo Yearbook, 52 DOI Publisher Url Public Url

Voigt M, Wich SA, Ancrenaz M, Meijaard E, Abram N, Banes GL, Campbell-Smith G, d'Arcy L, Delgado RA, Erman A, Gaveau D, Goossens B, Heinicke S, Houghton M, Husson SJ, Leiman A, Llano Sanchez K, Makinuddin N, Marshall AJ, Meididit A, Meittinen J, Mundry R, Musnanda , Nardiyono , Nurcahyo A, Odom K, Panda A, Prasetyo D, Priadjati A, Purnomo , Rafiastano A, Russon AE, Santika T, Sihite J, Spehar S, Struebig MJ, Sulbaran-Romero E, Tjui A, Wells J, Wilson KA, Kuhl HS. 2018. Global demand for natural resources eliminated more than 100,000 Bornean orangutans Current Biology, 28 :761-769 DOI Author Url Publisher Url Public Url

Thapa GJ, Thapa K, Thapa R, Jnawali SR, Wich SA, Poudyal LP, Karki S. 2018. Counting crocodiles from the sky: Monitoring the critically endangered gharial (Gavialis gangeticus) population with an Unmanned Aerial Vehicle (UAV). Journal of Unmanned Vehicle Systems, DOI Publisher Url Public Url

Ferry Slik JW, Franklin J, Arroyo-Rodriguez V, Field R, Aguilar S, Aguirre N, Ahumada J, Aiba SI, Alves LF, Anitha K, Avella A, Ardila F, Aymard GA, Báez S, Balvanera P, Bastian ML, Bastin J, Bellingham P, van den Berg E, da Conceição Bispo P, Boeckx P, Boehning-Gaese K, Bongers F, Boyle B, Brambach F, Brearley FQ, Brown S, Chai SL, Chazdon RL, Chen S, Chhang P, Chuyong G, Corneille E, Coronado IM, Cristóbal-Azkarate J, Culmsee H, Damas K, Dattaraja HS, Davidar P, DeWalt SJ, Din H, Drake DR, Duque A, Durigan G, Eichhorn K, Eler E, Enoki T, Ensslin A, Fandohan AB, Farwig N, Feeley KJ, Fischer M, Forshed O, Garcia Q, Garkoti SC, Gillespie TW, Gillet JF, Gonmadje C, Granzow-de la Cerda I, Griffith DM, Grogan J, Hakeem KR, Harris DJ, Harrison RD, Hector A, Hemp A, Homeier J, Hussain MS, Ibarra-Manríquez G, Ibrahim FH, Imai N, Jansen PA, Joseph S, Kartawinata K, Kearsley E, Kelly D, Kessler M, Killeen TJ, Kooyman R, Laumonier Y, Laurance S, Laurance W, Lawes MJ, Letcher S, Lindsell J, Lovett J, Lozada J, Lu X, Lykke AM, Mahmud KB, Mahayani NPD, Mansor A, Marshall AR, Martin EH, Matos DCL, Meave JA, Melo FPL, Mendoza ZHA, Metali F, Metjibe V, Metzger JP, Metzker T, Mohandass D, Munguía-Rosas MA, Muñoz R, Nurtjahya E, de Oliveira EL, Onrizal , Parolin P, Parren M, Parthasarathy N, Paudel E, Perez R, Pérez-García EA, Pommer U, Poorter L, Piedade MTF, Pinto JRR, Poulsen AD, Poulsen J, Powers JS, Prasad RC, Puyravaud JP, Qie L, Rangel O, Reitsma J, Rocha DB, Rolim S, Rovero F, Rozak A, Ruokolainen K, Rutishauser E, Rutten G, Said MNM, Saiter FZ, Saner P, Santos B, dos Santos JR, Sarker SK, Schmitt CB, Schoegart J, Schulze M, Sheil D, Souza AF, Spironello WR, Sposito T, Steinmetz R, Stevart T, Suganuma MS, Sukri R, Sultana A, Sukumar R, Sunderland T, Supriyadi , Suresh HS, Suzuki E, Tabarelli M, Tang J, Tanner EVJ, Targhetta N, Theilade I, Thomas D, Timberlake J, Valeriano M, van Valkenburg J, Van Do T, Van Hoang S, Vandermeer JH, Verbeeck H, Vetaas OR, Adekunle V, Vieira SA, Webb C, Webb E, Whitfeld T, Wich SA, Williams J, Wiser S, Wittmann F, Yang X, Yao CYA, Yap S, Zahawi RA, Zakaria R, Zang R. 2018. A phylogenetic classification of the world’s tropical forests Proceedings of the National Academy of Sciences, 115 :1837-1842 DOI Author Url Publisher Url Public Url

Nater A, Mattle-Greminger M, Nurcahyo A, Nowak M, de Manuel M, Desai T, Groves C, Pybus M, Sonay T, Roos C, Lameira AR, Wich SA, Askew J, Davila-Ross M, Fredriksson G, de Valles G, Casals F, Prado-Martinez J, Goosens B, Verschoor EJ, Warren KS, Singleton I, Marques DA, Pamungkas J, Perwitasari-Farajallah D, Rianti P, Tuuga A, Gut IG, Gut M, Orozco-terWengel P, van Schaik CP, Bertranpetit J, Anisimova M, Scally A, Marques-Bonet T, Meijaard E, Krutzen M. 2017. Morphometric, Behavioral, and Genomic Evidence for a New Orangutan Species Current Biology, DOI Author Url Publisher Url Public Url

Bonnin N, Van Andel A, Kerby J, Piel A, Wich S. 2017. Assessment of Chimpanzee Nest Detectability Using UAV-Derived Aerial Imagery FOLIA PRIMATOLOGICA, 88 :93-94 Author Url

Duffy J, Cunliffe A, DeBell L, Sandbrook C, Wich SA, Shutler J, Myers-Smith I, Varela M, Anderson K. 2017. Location, location, location: Considerations when using 3 lightweight drones in challenging environments Remote Sensing in Ecology and Conservation, DOI Author Url Publisher Url Public Url

Santika T, Ancrenaz M, Wilson KA, Spehar S, Abram N, Banes GL, Campbell-Smith G, Curran L, d'Arcy L, Delgado RA, Erman A, Goossens B, Hartanto H, Houghton M, Husson SJ, Kuehl H, Lackman I, Leiman A, Llano Sanchez K, Makinuddin N, Marshall AJ, Meididit A, Mengersen K, Musnanda , Nardiyono , Nurcahyo A, Odom K, Panda A, Prasetyo D, Purnomo , Rafiastano A, Raharjo S, Ratnasari D, Russon AE, Santana AH, Santoso E, Sapari I, Sihite J, Suyoko A, Tjiu A, Utami-Atmoko SS, van Schaik CP, Voigt M, Wells J, Wich SA, Willems SE, Meijaard E. 2017. First integrative trend analysis for a great ape species in Borneo Scientific Reports, 7 DOI Author Url Publisher Url Public Url

Longmore SN, Collins RP, Pfeifer S, Fox SE, Mulero-Pázmány M, Bezombes F, Goodwin A, De Juan Ovelar M, Knapen JH, Wich SA. 2017. Adapting astronomical source detection software to help detect animals in thermal images obtained by unmanned aerial systems International Journal of Remote Sensing, 38 :2623-2638 DOI Author Url Publisher Url Public Url

Szantoi Z, Smith SE, Strona G, Koh LP, Wich SA. 2017. Mapping orangutan habitat and agricultural areas using Landsat OLI imagery augmented with unmanned aircraft system aerial photography International Journal of Remote Sensing, 38 :2231-2245 DOI Author Url Publisher Url Public Url

Lameira AR, Vicente R, Alexandre A, Campbell-Smith G, Knott C, Wich SA, Hardus HE. 2017. Proto-consonants were information-dense via identical bioacoustic tags to proto-vowels Nature Human Behaviour, DOI Publisher Url Public Url

Lameira AR, Vicente R, Alexandre A, Campbell-Smith G, Knott C, Wich S, Hardus ME. 2017. Proto-consonants were information-dense via identical bioacoustic tags to proto-vowels Nature Human Behaviour, 1 DOI Author Url

Estrada A, Garber PA, Rylands AB, Roos C, Fernandez-Duque E, Fiore AD, Anne-Isola Nekaris K, Nijman V, Heymann EW, Lambert JE, Rovero F, Barelli C, Setchell JM, Gillespie TR, Mittermeier RA, Arregoitia LV, de Guinea M, Gouveia S, Dobrovolski R, Shanee S, Shanee N, Boyle SA, Fuentes A, MacKinnon KC, Amato KR, Meyer ALS, Wich S, Sussman RW, Pan R, Kone I, Li B. 2017. Impending extinction crisis of the world’s primates: Why primates matter Science Advances, 3 DOI Author Url Publisher Url Public Url

Leendertz SAJ, Wich SA, Ancrenaz M, Bergl RA, Gonder MK, Humle T, Leendertz FH. 2016. Ebola in great apes – current knowledge, possibilities for vaccination and the implications for conservation and human health Mammal Review, 47 :98-111 DOI Author Url Publisher Url Public Url

Lee JSH, Wich S, Widayati A, Koh LP. 2016. Detecting industrial oil palm plantations on Landsat images with Google Earth Engine Remote Sensing Applications: Society and Environment, 4 :219-224 DOI Publisher Url Public Url

Marshall AJ, Wich SA, Ancrenaz M. 2016. Fresh strategies to save orangutans Nature, 535 DOI Author Url Publisher Url Public Url

Lameira AR, Hardus ME, Mielke A, Wich SA, Shumaker RW. 2016. Vocal fold control beyond the species-specific repertoire in an orang-utan Scientific Reports, 6 DOI Author Url Publisher Url Public Url

Marvin DC, Koh LP, Lynam AJ, Wich S, Davies AB, Krishnamurthy R, Stokes E, Starkey R, Asner GP. 2016. Integrating technologies for scalable ecology and conservation Global Ecology and Conservation, 7 :262-275 DOI Author Url Publisher Url Public Url

Runting RK, Meijaard E, Abram NK, Wells JA, Gaveau DLA, Ancrenaz M, Possingham HP, Wich SA, Ardiansyah F, Gumal MT, Ambu LN, Wilson KA. 2016. Erratum: Alternative futures for Borneo show the value of integrating economic and conservation targets across borders (Nature Communications (2015) 6 (6819) DOI: 10.1038/ncomms7819) Nature Communications, 7 DOI Author Url Publisher Url

Nilsson D, Gramotnev G, Baxter G, Butler J, Wich SA, McAlpine CA. 2016. Community motivations to engage in conservation behavior to conserve the Sumatran orangutan Conservation Biology, DOI Author Url Publisher Url Public Url

Wich SA, Singleton I, Nowak MG, Utami Atmoko SS, Nisam G, Arif SM, Putra RH, Ardi R, Fredriksson G, Usher G, Gaveau DLA, Kühl HS. 2016. Land-cover changes predict steep declines for the Sumatran orangutan (Pongo abelii) Science Advances, 2 DOI Author Url Publisher Url

Harrison ME, Zweifel N, Husson SJ, Cheyne SM, D'Arcy LJ, Harsanto FA, Morrogh-Bernard H, Purwanto A, Rahmatd , Santiano , Vogel ER, Wich SA, Van Noordwijk MA. 2016. Disparity in Onset Timing and Frequency of Flowering and Fruiting Events in Two Bornean Peat-Swamp Forests Biotropica, 48 :188-197 DOI Author Url Publisher Url

Wich SA, Dellatore D, Houghton M, Ardi R, Koh LP. 2015. A preliminary assessment of using conservation drones for Sumatran orang-utan (Pongo abelii) distribution and density Journal of Unmanned Vehicle Systems, DOI Publisher Url Public Url

van Andel AC, Wich SA, Boesch C, Koh LP, Robbins MM, Kelly J, Kuehl HS. 2015. Locating chimpanzee nests and identifying fruiting trees with an unmanned aerial vehicle American Journal of Primatology, 77 :1122-1134 DOI Author Url Publisher Url

Slik JWF, Arroyo-Rodriguez V, Aiba S-I, Alvarez-Loayza P, Alves LF, Ashton P, Balvanera P, Bastian ML, Bellingham PJ, van den Berg E, Bernacci L, Bispo PDC, Blanc L, Boehning-Gaese K, Boeckx P, Bongers F, Boyle B, Bradford M, Brearley FQ, Hockemba MB-N, Bunyavejchewin S, Matos DCL, Castillo-Santiago M, Catharino ELM, Chai S-L, Chen Y, Colwell RK, Chazdon RL, Clark C, Clark DB, Clark DA, Culmsee H, Damas K, Dattaraja HS, Dauby G, Davidar P, DeWalt SJ, Doucet J-L, Duque A, Durigan G, Eichhorn KAO, Eisenlohr PV, Eler E, Ewango C, Farwig N, Feeley KJ, Ferreira L, Field R, de Oliveira Filho AT, Fletcher C, Forshed O, Franco G, Fredriksson G, Gillespie T, Gillet J-F, Amarnath G, Griffith DM, Grogan J, Gunatilleke N, Harris D, Harrison R, Hector A, Homeier J, Imai N, Itoh A, Jansen PA, Joly CA, de Jong BHJ, Kartawinata K, Kearsley E, Kelly DL, Kenfack D, Kessler M, Kitayama K, Kooyman R, Larney E, Laumonier Y, Laurance S, Laurance WF, Lawes MJ, do Amaral IL, Letcher SG, Lindsell J, Lu X, Mansor A, Marjokorpi A, Martin EH, Meilby H, Melo FPL, Metcalfe DJ, Medjibe VP, Metzger JP, Millet J, Mohandass D, Montero JC, Valeriano MDM, Mugerwa B, Nagamasu H, Nilus R, Ochoa-Gaona S, Onrizal , Page N, Parolin P, Parren M, Parthasarathy N, Paudel E, Permana A, Piedade MTF, Pitman NCA, Poorter L, Poulsen AD, Poulsen J, Powers J, Prasad RC, Puyravaud J-P, Razafimahaimodison J-C, Reitsma J, dos Santos JR, Spironello WR, Romero-Saltos H, Rovero F, Rozak AH, Ruokolainen K, Rutishauser E, Saiter F, Saner P, Santos BA, Santos F, Sarker SK, Satdichanh M, Schmitt CB, Schongart J, Schulze M, Suganuma MS, Sheil D, Pinheiro EDS, Sist P, Stevart T, Sukumar R, Sun I-F, Sunderland T, Suresh HS, Suzuki E, Tabarelli M, Tang J, Targhetta N, Theilade I, Thomas DW, Tchouto P, Hurtado J, Valencia R, van Valkenburg JLCH, Tran VD, Vasquez R, Verbeeck H, Adekunle V, Vieira SA, Webb CO, Whitfeld T, Wich SA, Williams J, Wittmann F, Woell H, Yang X, Yao CYA, Yap SL, Yoneda T, Zahawi RA, Zakaria R, Zang R, de Assis RL, Luize BG, Venticinque EM. 2015. An estimate of the number of tropical tree species (vol 112, pg 7472, 2015) PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 112 :E4628-E4629 DOI Author Url Publisher Url

Struebig MJ, Fischer M, Gaveau DLA, Meijaard E, Wich SA, Gonner C, Sykes R, Wilting A, Kramer-Schadt S. 2015. Anticipated climate and land-cover changes reveal refuge areas for Borneo's orang-utans Global Change Biology, 21 :2891-2904 DOI Author Url Publisher Url

Slik JWF, Arroyo-Rodríguez V, Aiba S, Alvarez-Loayza P, Alves LF, Ashton P, Balvanera P, Bastian ML, Bellingham PJ, van den Berg E, Bernacci L, da Conceição Bispo P, Blanc L, Böhning-Gaese K, Boeckx P, Bongers F, Boyle B, Bradford M, Brearley FQ, Breuer-Ndoundou Hockemba M, Bunyavejchewin S, Calderado Leal Matos D, Castillo-Santiago M, Catharino ELM, Chai S, Chen Y, Colwell RK, Chazdon RL, Clark C, Clark DB, Clark DA, Culmsee H, Damas K, Dattaraja HS, Dauby G, Davidar P, DeWalt SJ, Doucet J, Duque A, Durigan G, Eichhorn KAO, Eisenlohr PV, Eler E, Ewango C, Farwig N, Feeley KJ, Ferreira L, Field R, de Oliveira Filho AT, Fletcher C, Forshed O, Franco G, Fredriksson G, Gillespie T, Gillet J, Amarnath G, Griffith DM, Grogan J, Gunatilleke N, Harris D, Harrison R, Hector A, Homeier J, Imai N, Itoh A, Jansen PA, Joly CA, de Jong BHJ, Kartawinata K, Kearsley E, Kelly DL, Kenfack D, Kessler M, Kitayama K, Kooyman R, Larney E, Laumonier Y, Laurance S, Laurance WF, Lawes MJ, Amaral ILD, Letcher SG, Lindsell J, Lu X, Mansor A, Marjokorpi A, Martin EH, Meilby H, Melo FPL, Metcalfe DJ, Medjibe VP, Metzger JP, Millet J, Mohandass D, Montero JC, de Morisson Valeriano M, Mugerwa B, Nagamasu H, Nilus R, Ochoa-Gaona S, Onrizal , Page N, Parolin P, Parren M, Parthasarathy N, Paudel E, Permana A, Piedade MTF, Pitman NCA, Poorter L, Poulsen AD, Poulsen J, Powers J, Prasad RC, Puyravaud J, Razafimahaimodison J, Reitsma J, dos Santos JR, Roberto Spironello W, Romero-Saltos H, Rovero F, Rozak AH, Ruokolainen K, Rutishauser E, Saiter F, Saner P, Santos BA, Santos F, Sarker SK, Satdichanh M, Schmitt CB, Schöngart J, Schulze M, Suganuma MS, Sheil D, da Silva Pinheiro E, Sist P, Stevart T, Sukumar R, Sun I, Sunderland T, Suresh HS, Suzuki E, Tabarelli M, Tang J, Targhetta N, Theilade I, Thomas DW, Tchouto P, Hurtado J, Valencia R, van Valkenburg JLCH, Van Do T, Vasquez R, Verbeeck H, Adekunle V, Vieira SA, Webb CO, Whitfeld T, Wich SA, Williams J, Wittmann F, Wöll H, Yang X, Adou Yao CY, Yap SL, Yoneda T, Zahawi RA, Zakaria R, Zang R, de Assis RL, Garcia Luize B, Venticinque EM. 2015. An estimate of the number of tropical tree species Proceedings of the National Academy of Sciences, 112 :7472-7477 DOI Author Url Publisher Url

Abram NK, Meijaard E, Wells JA, Ancrenaz M, Pellier AS, Runting RK, Gaveau D, Wich S, Nardiyono , Tjiu A, Nurcahyo A, Mengersen K. 2015. Mapping perceptions of species' threats and population trends to inform conservation efforts: The Bornean orangutan case study Diversity and Distributions, 21 :487-499 DOI Author Url Publisher Url

Runting RK, Meijaard E, Abram NK, Wells JA, Gaveau DLA, Ancrenaz M, Posssingham HP, Wich SA, Ardiansyah F, Gumal MT, Ambu LN, Wilson KA. 2015. Alternative futures for Borneo show the value of integrating economic and conservation targets across borders Nature Communications, 6 DOI Author Url Publisher Url

Brun C, Cook AR, Lee JSH, Wich SA, Koh LP, Carrasco LR. 2015. Analysis of deforestation and protected area effectiveness in Indonesia: A comparison of Bayesian spatial models Global Environmental Change, 31 :285-295 DOI Author Url Publisher Url

De Boer B, Wich SA, Hardus ME, Lameira AR. 2015. Acoustic models of orangutan hand-assisted alarm calls Journal of Experimental Biology, 218 :907-914 DOI Author Url Publisher Url

Lameira AR, Hardus ME, Bartlett AM, Shumaker RW, Wich SA, Menken SBJ. 2015. Speech-like rhythm in a voiced and voiceless orangutan call PLoS ONE, 10 DOI Author Url Publisher Url

Hardus ME, Lameira AR, Wich SA, de Vries H, Wahyudi R, Shumaker RW, Menken SBJ. 2015. Effect of repeated exposures and sociality on novel food acceptance and consumption by orangutans Primates, 56 :21-27 DOI Author Url Publisher Url

van Gemert JC, Verschoor CR, Mettes P, Epema K, Koh LP, Wich S. 2015. Nature conservation drones for automatic localization and counting of animals Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 8925 :255-270 DOI Author Url Publisher Url

Vogel ER, Zulfa A, Hardus M, Wich SA, Dominy NJ, Taylor AB. 2014. Food mechanical properties, feeding ecology, and the mandibular morphology of wild orangutans JOURNAL OF HUMAN EVOLUTION, 75 :110-124 DOI Author Url Publisher Url

Wich SA, Garcia-Ulloa J, Kuehl HS, Humle T, Lee JSH, Koh LP. 2014. Will Oil Palm's Homecoming Spell Doom for Africa's Great Apes? CURRENT BIOLOGY, 24 :1659-1663 DOI Author Url Publisher Url

Paneque-Galvez J, McCall MK, Napoletano BM, Wich SA, Koh LP. 2014. Small Drones for Community-Based Forest Monitoring: An Assessment of Their Feasibility and Potential in Tropical Areas FORESTS, 5 :1481-1507 DOI Author Url Publisher Url

Ancrenaz M, Sollmann R, Meijaard E, Hearn AJ, Ross J, Samejima H, Loken B, Cheyne SM, Stark DJ, Gardner PC, Goossens B, Mohamed A, Bohm T, Matsuda I, Nakabayasi M, Lee SK, Bernard H, Brodie J, Wich S, Fredriksson G, Hanya G, Harrison ME, Kanamori T, Kretzschmar P, Macdonald DW, Riger P, Spehar S, Ambu LN, Wilting A. 2014. Coming down from the trees: Is terrestrial activity in Bornean orangutans natural or disturbance driven? SCIENTIFIC REPORTS, 4 DOI Author Url Publisher Url

Slik JWF, Paoli G, McGuire K, Amaral I, Barroso J, Bastian M, Blanc L, Bongers F, Boundja P, Clark C, Collins M, Dauby G, Ding Y, Doucet J-L, Eler E, Ferreira L, Forshed O, Fredriksson G, Gillet J-F, Harris D, Leal M, Laumonier Y, Malhi Y, Mansor A, Martin E, Miyamoto K, Araujo-Murakami A, Nagamasu H, Nilus R, Nurtjahya E, Oliveira A, Onrizal O, Parada-Gutierrez A, Permana A, Poorter L, Poulsen J, Ramirez-Angulo H, Reitsma J, Rovero F, Rozak A, Sheil D, Silva-Espejo J, Silveira M, Spironelo W, ter Steege H, Stevart T, Navarro-Aguilar GE, Sunderland T, Suzuki E, Tang J, Theilade I, van der Heijden G, van Valkenburg J, Van Do T, Vilanova E, Vos V, Wich S, Woell H, Yoneda T, Zang R, Zhang MG, Zweifel N. 2013. Large trees drive forest aboveground biomass variation in moist lowland forests across the tropics GLOBAL ECOLOGY AND BIOGEOGRAPHY, 22 :1261-1271 DOI Author Url Publisher Url

Lameira AR, Hardus ME, Kowalsky B, De Vries H, Spruijt BM, Sterck EHM, Shumaker RW, Wich SA. 2013. Orangutan (Pongo spp.) whistling and implications for the emergence of an open-ended call repertoire: A replication and extension Journal of the Acoustical Society of America, 134 :2326-2335 DOI Author Url Publisher Url

Gaveau DLA, Kshatriya M, Sheil D, Sloan S, Molidena E, Wijaya A, Wich S, Ancrenaz M, Hansen M, Broich M, Guariguata MR, Pacheco P, Potapov P, Turubanova S, Meijaard E. 2013. Reconciling Forest Conservation and Logging in Indonesian Borneo PLOS ONE, 8 DOI Author Url Publisher Url

Lameira AR, Hardus ME, Nouwen KJJM, Topelberg E, Delgado RA, Spruijt BM, Sterck EHM, Knott CD, Wich SA. 2013. Population-Specific Use of the Same Tool-Assisted Alarm Call between Two Wild Orangutan Populations (Pongopygmaeus wurmbii) Indicates Functional Arbitrariness PLoS ONE, 8 DOI Author Url Publisher Url

Hardus ME, de Vries H, Dellatore DF, Lameira AR, Menken SBJ, Wich SA. 2013. Socioecological correlates of inter-individual variation in orangutan diets at Ketambe, Sumatra Behavioral Ecology and Sociobiology, 67 :429-437 DOI Author Url Publisher Url

Lameira AR, de Vries H, Hardus ME, Hall CPA, Mitra-Setia T, Spruijt BM, Kershenbaum A, Sterck EHM, van Noordwijk M, van Schaik C, Wich SA. 2013. Predator guild does not influence orangutan alarm call rates and combinations Behavioral Ecology and Sociobiology, 67 :519-528 DOI Author Url Publisher Url

Nater A, Arora N, Greminger MP, Van Schaik CP, Singleton I, Wich SA, Fredriksson G, Perwitasari-Farajallah D, Pamungkas J, Krützen M. 2013. Marked population structure and recent migration in the critically endangered sumatran orangutan (Pongo abelii) Journal of Heredity, 104 :2-13 DOI Author Url Publisher Url

Wich S, Koh LP. 2012. Conservation drones GIM International, 26 :29-33

Gogarten JF, Brown LM, Chapman CA, Cords M, Doran-Sheehy D, Fedigan LM, Gre FE, Perry S, Pusey AE, Sterck EHM, Wich SA, Wright PC. 2012. Seasonal mortality patterns non-human primates: Implications for variation selection pressures across environments Evolution, 66 :3252-3266 DOI Author Url Publisher Url

Lameira AR, Hardus ME, Wich SA. 2012. Orangutan Instrumental Gesture-Calls: Reconciling Acoustic and Gestural Speech Evolution Models Evolutionary Biology, 39 :415-418 DOI Author Url Publisher Url

Nater A, Nietlisbach P, Arora N, van Schaik CP, van Noordwijk MA, Willems EP, Singleton I, Wich SA, Goossens B, Warren KS, Verschoor EJ, Perwitasari-Farajallah D, Pamungkas J, Krützen M. 2012. Sex-biased dispersal and volcanic activities shaped phylogeographic patterns of extant Orangutans (genus: Pongo). Mol Biol Evol, 28 :2275-2288 DOI Author Url Publisher Url

Koh LP, Wich SA. 2012. Dawn of drone ecology: Low-cost autonomous aerial vehicles for conservation Tropical Conservation Science, 5 :121-132 DOI Author Url Publisher Url

Wich SA, Krützen M, Lameira AR, Nater A, Arora N, Bastian ML, Meulman E, Morrogh-Bernard HC, Utami Atmoko SS, Pamungkas J, Perwitasari-Farajallah D, Hardus ME, van Noordwijk M, van Schaik CP. 2012. Call cultures in orang-utans? PLoS ONE, 7 DOI Author Url Publisher Url

Hardus ME, Lameira AR, Zulfa A, Atmoko SSU, de Vries H, Wich SA. 2012. Behavioral, Ecological, and Evolutionary Aspects of Meat-Eating by Sumatran Orangutans (Pongo abelii). Int J Primatol, 33 :287-304 DOI Author Url Publisher Url

Hardus ME, Lameira AR, Menken SBJ, Wich SA. 2012. Effects of logging on orangutan behavior Biological Conservation, 146 :177-187 DOI Author Url Publisher Url

Wich SA, Fredriksson GM, Usher G, Peters HH, Priatna D, Basalamah F, Susanto W, Kühl H. 2012. Hunting of Sumatran orang-utans and its importance in determining distribution and density Biological Conservation, 146 :163-169 DOI Author Url Publisher Url

Meijaard E, Wich S, Ancrenaz M, Marshall AJ. 2012. Not by science alone: why orangutan conservationists must think outside the box Ostfeld RS, Schlesinger WH. YEAR IN ECOLOGY AND CONSERVATION BIOLOGY, 1249 :29-44 DOI Author Url Publisher Url

Slik JWF, Aiba S-I, Bastian M, Brearley FQ, Cannon CH, Eichhorn KAO, Fredriksson G, Kartawinata K, Laumonier Y, Mansor A, Marjokorpi A, Meijaard E, Morley RJ, Nagamasu H, Nilus R, Nurtjahya E, Payne J, Permana A, Poulsen AD, Raes N, Riswan S, van Schaik CP, Sheil D, Sidiyasa K, Suzuki E, van Valkenburg JLCH, Webb CO, Wich S, Yoneda T, Zakaria R, Zweifel N. 2011. Soils on exposed Sunda Shelf shaped biogeographic patterns in the equatorial forests of Southeast Asia PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 108 :12343-12347 DOI Author Url Publisher Url

Wich SA, Vogel ER, Larsen MD, Fredriksson G, Leighton M, Yeager CP, Brearley FQ, van Schaik CP, Marshall AJ. 2011. Forest fruit production is higher on sumatra than on borneo PLoS ONE, 6 DOI Author Url Publisher Url

Meijaard E, Mengersen K, Buchori D, Nurcahyo A, Ancrenaz M, Wich S, Atmoko SSU, Tjiu A, Prasetyo D, Nardiyono , Hadiprakarsa Y, Christy L, Wells J, Albar G, Marshall AJ. 2011. Why Don't We Ask? A Complementary Method for Assessing the Status of Great Apes PLOS ONE, 6 DOI Author Url Publisher Url

Wich SA, Boyko RH. 2011. Which factors determine orangutan nests' detection probability along transects? Tropical Conservation Science, 4 :53-63 DOI Author Url Publisher Url

Lameira AR, Delgado RA, Wich SA. 2010. Review of geographic variation in terrestrial mammalian acoustic signals: Human speech variation in a omparative perspective Journal of Evolutionary Psychology, 8 :309-332 DOI Publisher Url

Spehar SN, Mathewson PD, Nuzuar , Wich SA, Marshall AJ, Kühl H, Nardiyono , Meijaard E. 2010. Estimating orangutan densities using the standing crop and marked nest count methods: Lessons learned for conservation Biotropica, 42 :748-757 DOI Author Url Publisher Url

Bastian ML, Zweifel N, Vogel ER, Wich SA, Van Schaik CP. 2010. Diet traditions in wild orangutans American Journal of Physical Anthropology, 143 :175-187 DOI Author Url Publisher Url

Pontzer H, Raichlen DA, Shumaker RW, Ocobock C, Wich SA. 2010. Metabolic adaptation for low energy throughput in orangutans. Proc Natl Acad Sci U S A, 107 :14048-14052 DOI Author Url Publisher Url

Meijaard E, Welsh A, Ancrenaz M, Wich SA, Nijman V, Marshall AJ. 2010. Declining orangutan encounter rates from Wallace to the present suggest the species was once more abundant. PLoS One, 5 DOI Author Url Publisher Url Public Url

Spillmann B, Dunkel LP, van Noordwijk MA, Amda RNA, Lameira AR, Wich SA, van Schaik CP. 2010. Acoustic properties of long calls given by flanged male orang-utans (Pongo pygmaeus wurmbii) reflect both individual identity and context Ethology, 116 :385-395 DOI Author Url Publisher Url

Jaeggi AV, Dunkel LP, Van Noordwijk MA, Wich SA, Sura AAL, Van Schaik CP. 2010. Social Learning of Diet and Foraging Skills by Wild Immature Bornean Orangutans: Implications for Culture AMERICAN JOURNAL OF PRIMATOLOGY, 72 :62-71 DOI Author Url Publisher Url

Van Lavieren E, Wich SA. 2010. Decline of the Endangered Barbary macaque Macaca sylvanus in the cedar forest of the Middle Atlas Mountains, Morocco ORYX, 44 :133-138 DOI Author Url Publisher Url

Hardus ME, Lameira AR, Van Schaik CP, Wich SA. 2009. Tool use in wild orang-utans modifies sound production: A functionally deceptive innovation? Proc Biol Sci, 276 :3689-3694 DOI Author Url Publisher Url

Wich SA, Shumaker RW, Perkins L, De vries H. 2009. Captive and wild orangutan (Pongo sp.) survivorship: A comparison and the influence of management American Journal of Primatology, 71 :680-686 DOI Author Url Publisher Url

Gaveau DLA, Wich S, Epting J, Juhn D, Kanninen M, Leader-Williams N. 2009. The future of forests and orangutans (Pongo abelii) in Sumatra: predicting impacts of oil palm plantations, road construction, and mechanisms for reducing carbon emissions from deforestation ENVIRONMENTAL RESEARCH LETTERS, 4 DOI Author Url Publisher Url

Van Schaik CP, Marshall AJ, Wich SA. 2009. Geographic variation in orangutan behavior and biology: Its functional interpretation and its mechanistic basis DOI Publisher Url

Knott CD, Thompson ME, Wich SA. 2009. The ecology of female reproduction in wild orangutans DOI Publisher Url

Hardus ME, Lameira AR, Singleton I, Morrogh-Bernard HC, Knott CD, Ancrenaz M, Utami Atmoko SS, Wich SA. 2009. A description of the orangutan's vocal and sound repertoire, with a focus on geographic variation DOI Publisher Url

Morrogh-Bernard HC, Husson SJ, Knott CD, Wich SA, Van Schaik CP, Van Noordwijk MA, Lackman-Ancrenaz I, Marshall AJ, Kanamori T, Kuze N, Sakong RB. 2009. Orangutan activity budgets and diet: A comparison between species, populations and habitats DOI Publisher Url

Prasetyo D, Ancrenaz M, Morrogh-Bernard HC, Utami Atmoko SS, Wich SA, Van Schaik CP. 2009. Nest building in orangutans DOI Publisher Url

Delgado RA, Lameira AR, Ross MD, Husson SJ, Morrogh-Bernard HC, Wich SA. 2009. Geographical variation in orangutan long calls DOI Publisher Url

Singleton I, Knott CD, Morrogh-Bernard HC, Wich SA, Van Schaik CP. 2009. Ranging behavior of orangutan females and social organization DOI Publisher Url

Husson SJ, Wich SA, Marshall AJ, Dennis RD, Ancrenaz M, Brassey R, Gumal M, Hearn AJ, Meijaard E, Simorangkir T, Singleton I. 2009. Orangutan distribution, density, abundance and impacts of disturbance DOI Publisher Url

Wich SA, De Vries H, Ancrenaz M, Perkins L, Shumaker RW, Suzuki A, Van Schaik CP. 2009. Orangutan life history variation DOI Publisher Url

Russon AE, Wich SA, Ancrenaz M, Kanamori T, Knott CD, Kuze N, Morrogh-Bernard HC, Pratje P, Ramlee H, Rodman P, Sawang A, Sidiyasa K, Singleton I, Van Schaik CP. 2009. Geographic variation in orangutan diets DOI Publisher Url

Marshall AJ, Lacy R, Ancrenaz M, Byers O, Husson SJ, Leighton M, Meijaard E, Rosen N, Singleton I, Stephens S, Traylor-Holzer K, Utami Atmoko SS, Van Schaik CP, Wich SA. 2009. Orangutan population biology, life history, and conservation: Perspectives from population viability analysis models DOI Publisher Url

Marshall AJ, Ancrenaz M, Brearley FQ, Fredriksson GM, Ghaffar N, Heydon M, Husson SJ, Leighton M, McConkey KR, Morrogh-Bernard HC, Proctor J, Van Schaik CP, Yeager CP, Wich SA. 2009. The effects of forest phenology and floristics on populations of Bornean and Sumatran orangutans: Are Sumatran forests better orangutan habitat than Bornean forests? DOI Publisher Url

Wich SA, Swartz KB, Hardus ME, Lameira AR, Stromberg E, Shumaker RW. 2009. A case of spontaneous acquisition of a human sound by an orangutan. Primates, 50 :56-64 DOI Author Url Publisher Url

Mittermeier RA, Wallis J, Rylands AB, Ganzhorn JU, Oates JF, Williamson EA, Palacios E, Heymann EW, Kierulff MCM, Yongcheng L, Supriatna J, Roos C, Walker S, Cortés-Ortiz L, Schwitzer C, Bearder SK, Bergl R, Bracebridge CE, Brockelman WY, Butynski TM, Cornejo FM, Das J, Davenport TRB, De Luca DW, DeLuycker AM, Dolch R, Hai DT, Dunn A, Peng-Fei F, Geissman T, Guillen R, Long HT, Honess PE, Islam A, Johnson S, Jones T, Lamilla I, Larney E, Quyet LK, Sanchez KL, Yoncheng L, Louis EE, MacHaga SJ, Martin SK, Mbora D, McGraw WS, Moisson P, Molur S, Morales-Jiménez AL, Morgan B, Mpunga NE, Nadler T, Nekaris KAI, Nicholas A, Nijman V, Nkembi L, Pacheco V, Paciulli LM, Patel ER, Perkin A, Thuc PD, Quintana H, Rabarivola CJ, Rafaliarison RR, Raffel M, Ralainasolo F, Randriatahina GH, Ratsimbazafy J, Ravoarimanana IB, Rudran R, Rumpler Y, Salim A, Savage A, Schrudde D, Schwitzer N, Shekelle M, Singleton I, Soto L, Stevens N, Sunderland-Groves J, Thorn JS, Urbani B, Volampeno SNM, Wanasinghe A, Warren Y, Weerakoon K, Werre JL, Wich SA, Winarti I, Wright PC, Andriamaharoa H, Zaramody A, Carretero-Pinzon X, Ruiz-Garcia M, Defler TR. 2009. Primates in Peril: The World's 25 most endangered primates 20082010 Primate Conservation, 24 :1-57 DOI Publisher Url

Wich SA. 2008. (Oryx 42, 3, (329-339)) ORYX, 42 :620 DOI Publisher Url

Wich SA. 2008. Distribution and conservation status of the orang-utan (Pongo spp.) on Borneo and Sumatra: how many remain? (vol 42, pg 329, 2008) ORYX, 42 :620-620 Author Url

Shumaker RW, Wich S, Perkins L. 2008. Reproductive life history traits of female orangutans (Pongo spp.) Interdisciplinary Topics in Gerontology, 36 :147-161 DOI Author Url Publisher Url

Wich SA, Meijaard E, Marshall AJ, Husson S, Ancrenaz M, Lacy RC, Van Schaik CP, Sugardjito J, Simorangkir T, Traylor-Holzer K, Doughty M, Supriatna J, Dennis R, Gumal M, Knott CD, Singleton I. 2008. Distribution and conservation status of the orang-utan (Pongo spp.) on Borneo and Sumatra: How many remain? ORYX, 42 :329-339 DOI Author Url Publisher Url

Wich SA, Schel AM, De Vries H. 2008. Geographic variation in Thomas langur (Presbytis thomasi) loud calls American Journal of Primatology, 70 :566-574 DOI Author Url Publisher Url

Lameira AR, Wich SA. 2008. Orangutan long call degradation and individuality over distance: A playback approach International Journal of Primatology, 29 :615-625 DOI Author Url Publisher Url

Meiri S, Meijaard E, Wich SA, Groves CP, Helgen KM. 2008. Mammals of Borneo - Small size on a large island Journal of Biogeography, 35 :1087-1094 DOI Author Url Publisher Url

Stewart AME, Gordon CH, Wich SA, Schroor P, Meijaard E. 2008. Fishing in Macaca fascicularis: A rarely observed innovative behavior International Journal of Primatology, 29 :543-548 DOI Author Url Publisher Url

Wich SA, Sterck EHM. 2007. Familiarity and threat of opponents determine variation in Thomas langur (Presbytis thomasi) male behaviour during between-group encounters Behaviour, 144 :1583-1598 DOI Author Url Publisher Url

Meijaard E, Wich S. 2007. Putting orang-utan population trends into perspective CURRENT BIOLOGY, 17 :R540-R540 DOI Author Url Publisher Url

Wich SA, Steenbeek R, Sterck EHM, Korstjens AH, Willems EP, Van Schaik CP. 2007. Demography and life history of Thomas langurs (Presbytis thomasi) American Journal of Primatology, 69 :641-651 DOI Author Url Publisher Url

Mul IF, Paembonan W, Singleton I, Wich SA, Van Bolhuis HG. 2007. Intestinal parasites of free-ranging, semicaptive, and captive Pongo abelii in Sumatra, Indonesia International Journal of Primatology, 28 :407-420 DOI Author Url Publisher Url

Wich SA, Utami-Atmoko SS, Mitra Setia T, Djoyosudharmo S, Geurts ML. 2006. Dietary and energetic responses of Pongo abelii to fruit availability fluctuations International Journal of Primatology, 27 :1535-1550 DOI Author Url Publisher Url

Fredriksson GM, Wich SA, Trisno . 2006. Frugivory in sun bears (Helarctos malayanus) is linked to El Niño-related fluctuations in fruiting phenology, East Kalimantan, Indonesia Biological Journal of the Linnean Society, 89 :489-508 DOI Author Url Publisher Url

van Adrichem GGJ, Utami SS, Wich SA, van Hooff JARAM, Sterck EHM. 2006. The development of wild immature sumatran orangutans (pongo abelii) at Ketambe Primates, 47 :300-309 DOI Author Url Publisher Url

Van Schaik CP, Van Noordwijk MA, Wich SA. 2006. Innovation in wild bornean orangutans (Pongo pygmaeus wurmbii) Behaviour, 143 :839-876 DOI Author Url Publisher Url

Wich SA, de Vries H. 2006. Male monkeys remember which group members have given alarm calls. Proc Biol Sci, 273 :735-740 DOI Author Url Publisher Url

Buij R, Fox EA, Wich SA. 2006. Birds of Gunung Leuser National Park, Northern Sumatra Kukila, 13 :23-41

Buij R, Fox EA, Wich SA. 2006. Birds of Gunung Leuser National Park, Northern Sumatra - Part 2 Kukila, 13 :42-47

van Schaik CP, Wich SA, Utami SS, Odom K. 2005. A simple alternative to line transects of nests for estimating orangutan densities Primates, 46 :249-254 DOI Author Url Publisher Url

Sterck EHM, Willems EP, Van Hooff JARAM, Wich SA. 2005. Female dispersal, inbreeding avoidance and mate choice in Thomas langurs (Presbytis thomasi) Behaviour, 142 :845-868 DOI Author Url Publisher Url

Boubli JP, Eriksson J, Wich S, Hohmann G, Fruth B. 2004. Mesoscale transect sampling of trees in the Lomako-Yekokora interfluvium, Democratic Republic of the Congo BIODIVERSITY AND CONSERVATION, 13 :2399-2417 DOI Author Url Publisher Url

Wich S, Buij R, van Schaik C. 2004. Determinants of orangutan density in the dryland forests of the Leuser Ecosystem PRIMATES, 45 :177-182 DOI Author Url Publisher Url

Wich SA, Utami-Atmoko SS, Mitra Setia T, Rijksen HD, Schürmann C, van Hooff JARAM, van Schaik CP. 2004. Life history of wild Sumatran orangutans (Pongo abelii) Journal of Human Evolution, 47 :385-398 DOI Author Url Publisher Url

Knop E, Ward PI, Wich SA. 2004. A comparison of orang-utan density in a logged and unlogged forest on Sumatra Biological Conservation, 120 :183-188 DOI Author Url Publisher Url

Wich SA, Assink PR, Sterck EHM. 2004. Thomas langurs (Presbytis thomasi) discriminate between calls of young solitary versus older group-living males: A factor in avoiding infanticide? Behaviour, 141 :41-51 DOI Author Url Publisher Url

Wich SA, Van Der Post DJ, Heistermann M, Möhle U, Van Hooff JARAM, Sterck EHM. 2003. Life-phase Related Changes in Male Loud Call Characteristics and Testosterone Levels in Wild Thomas Langurs International Journal of Primatology, 24 :1251-1265 DOI Author Url Publisher Url

Wich SA, Sterck EHM. 2003. Possible audience effect in Thomas langurs (Primates; Presbytis thomasi): An experimental study on male loud calls in response to a tiger model American Journal of Primatology, 60 :155-159 DOI Author Url Publisher Url

Wich SA, Koski S, De Vries H, Van Schaik CP. 2003. Individual and contextual variation in Thomas langur male loud calls Ethology, 109 :1-13 DOI Author Url Publisher Url

Wich SA, Singleton I, Utami-Atmoko SS, Geurts ML, Rijksen HD, Van Schaik CP. 2003. The status of the Sumatran orang-utan Pongo abelii: An update ORYX, 37 :49-54 DOI Author Url Publisher Url

Wich SA, Nunn CL. 2002. Do male "long-distance calls" function in mate defense? A comparative study of long-distance calls in primates Behavioral Ecology and Sociobiology, 52 :474-484 DOI Author Url Publisher Url

Buij R, Wich SA, Lubis AH, Sterck EHM. 2002. Seasonal movements in the Sumatran orangutan (Pongo pygmaeus abelii) and consequences for conservation Biological Conservation, 107 :83-87 DOI Author Url Publisher Url

Wich SA, Fredriksson G, Sterck EHM. 2002. Measuring fruit patch size for three sympatric Indonesian primate species Primates, 43 :19-27 DOI Author Url Publisher Url

Wich SA, Assink PR, Becher F, Sterck EHM. 2002. Playbacks of loud calls to wild Thomas langurs (Primates; Presbytis Thomasi): The effect of location Behaviour, 139 :65-78 DOI Author Url Publisher Url

Wich SA, Assink PR, Becher F, Sterck EHM. 2002. Playbacks of loud calls to wild Thomas langurs (Primates; Presbytis thomasi): The effect of familiarity Behaviour, 139 :79-87 DOI Author Url Publisher Url

Wich SA, Van Schaik CP. 2000. The impact of El Nino on mast fruiting in Sumatra and elsewhere in Malesia Journal of Tropical Ecology, 16 :563-577 DOI Author Url Publisher Url

Wich SA, Sterck EHM, Utami SS. 1999. Are orang-utan females as solitary as chimpanzee females? Folia Primatologica, 70 :23-28 DOI Author Url Publisher Url

Steenbeek R, Assink P, Wich SA. 1999. Tenure related changes in wild Thomas's langurs II: Loud calls Behaviour, 136 :627-650 DOI Author Url Publisher Url

Utami SS, Wich SA, Sterck EHM, Van Hooff JARAM. 1997. Food competition between wild orangutans in large fig trees International Journal of Primatology, 18 :909-927 DOI Author Url Publisher Url

DEGRAAF B, BOS JE, WICH S, BLES W. 1994. ARTHROKINETIC AND VESTIBULAR INFORMATION ENHANCE SMOOTH OCULAR TRACKING DURING LINEAR (SELF-)MOTION EXPERIMENTAL BRAIN RESEARCH, 101 :147-152 DOI Author Url Publisher Url

Wich SA, Gaveau D, Abram N, Ancrenaz M, Baccini A, Brend S, Curran L, Delgado RA, Erman A, Fredriksson GM, Goossens B, Husson SJ, Lackman I, Marshall AJ, Naomi A, Molidena E, Nardiyono , Nurcahyo A, Odom K, Panda A, Purnomo , Rafiastanto A, Ratnasari D, Santana AH, Sapari I, van Schaik CP, Sihite J, Spehar S, Santoso E, Suyoko A, Tiju A, Usher G, Atmoko SSU, Willems EP, Meijaard E. Understanding the Impacts of Land-Use Policies on a Threatened Species: Is There a Future for the Bornean Orang-utan? Gursky-Doyen S. PLoS ONE, 7 :e49142-e49142 DOI Author Url Publisher Url

Lameira AR, Hardus ME, Nouwen KJJM, Topelberg E, Delgado RA, Spruijt BM, Sterck EHM, Knott CD, Wich SA. Correction: Population-Specific Use of the Same Tool-Assisted Alarm Call between Two Wild Orangutan Populations (Pongopygmaeus wurmbii) Indicates Functional Arbitrariness Caramelli D. PLoS ONE, 8 DOI Author Url Publisher Url

Millner N, Cunliff AM, Mulero-Pázmány M, Newport B, Sandbrook C, Wich S. Exploring the opportunities and risks of aerial monitoring for biodiversity conservation Global Social Challenges Journal, 20 :1-22 DOI Publisher Url Public Url

Descals A, Gaveau D, Wich S, Szantoi Z, Meijaard E. Global mapping of oil palm planting year from 1990 to 2021 Earth System Science Data,

Other

Permana AL, Permana JJ, Nellissen L, Prasetyo D, Wich SA, van Schaik CP, Schuppli C. 2024. Corrigendum to “The ontogeny of nest-building behaviour in Sumatran orang-utans, Pongo abelii” [Anim Behav 211 (2024) 53–67, (S0003347224000708), (10.1016/j.anbehav.2024.02.018)] Animal Behaviour, 214 :257 DOI Publisher Url

Chitayat AB, Wich SA, Lewis M, Stewart FA, Piel AK. 2021. Ecological correlates of chimpanzee (Pan troglodytes schweinfurthii) density in Mahale Mountains National Park, Tanzania (vol 16, e0246628, 2021) PLOS ONE, 16 DOI Author Url Publisher Url

Onstein R, Vink D, Veen J, Barratt C, Flantua SGA, Wich S, Kissling WD. 2021. Understanding the relationship between fruit colour and primate vision requires multiple lines of evidence. A reply to Heymann & Fuzessy Proceedings of the Royal Society B: Biological Sciences, DOI Author Url Publisher Url

Wich S, Meijaard E. 2021. Saving the Tapanuli orangutan requires zero losses Oryx, 55 :10-11 DOI Author Url Publisher Url

Nater A, Mattle-Greminger MP, Nurcahyo A, Nowak MG, de Manuel M, Desai T, Groves C, Pybus M, Sonay TB, Roos C, Lameira AR, Wich SA, Askew J, Davila-Ross M, Fredriksson G, de Valles G, Casals F, Prado-Martinez J, Goossens B, Verschoor EJ, Warren KS, Singleton I, Marques DA, Pamungkas J, Perwitasari-Farajallah D, Rianti P, Tuuga A, Gut IG, Gut M, Orozco-terWengel P, van Schaik CP, Bertranpetit J, Anisimova M, Scally A, Marques-Bonet T, Meijaard E, Krützen M. 2017. Erratum: Morphometric, Behavioral, and Genomic Evidence for a New Orangutan Species (Current Biology (2017) 27(22) (3487–3498.e10) (S0960982217312459)(10.1016/j.cub.2017.09.047) Current Biology, 27 :3576-3577 DOI Publisher Url

Nater A, Mattle-Greminger MP, Nurcahyo A, Nowak MG, de Manuel M, Desai T, Groves C, Pybus M, Sonay TB, Roos C, Lameira AR, Wich SA, Askew J, Davila-Ross M, Fredriksson G, de Valles G, Casals F, Prado-Martinez J, Goossens B, Verschoor EJ, Warren KS, Singleton I, Marques DA, Pamungkas J, Perwitasari-Farajallah D, Rianti P, Tuuga A, Gut IG, Gut M, Orozco-TerWengel P, van Schaik CP, Bertranpetit J, Anisimova M, Scally A, Marques-Bonet T, Meijaard E, Krutzen M. 2017. Morphometric, Behavioral, and Genomic Evidence for a New Orangutan Species (vol 27, pg 3487, 2017) CURRENT BIOLOGY, 27 :3576-3577 DOI Author Url

Plumptre AJ, Baisero D, Benitez-Lopez A, Faurby S, Gallego-Zamorano J, Kühl HS, Luna-Aranguré C, Vázquez-Domínguez E, Voigt M, Wich S, Wint GRW. Commentar​​​​​​​y: Where might we find ecologically intact communities? Frontiers in Forests and Global Change,

preprint

Chalmers C, Fergus P, Wich S, Longmore SN, Walsh ND, Stephens P, Sutherland C, Matthews N, Mudde J, Nuseibeh A. 2023. Removing Human Bottlenecks in Bird Classification Using Camera Trap Images and Deep Learning Author Url

Fergus P, Chalmers C, Longmore S, Wich S, Warmenhove C, Swart J, Ngongwane T, Burger A, Ledgard J, Meijaard E. 2023. Empowering Wildlife Guardians: An Equitable Digital Stewardship and Reward System for Biodiversity Conservation using Deep Learning and 3/4G Camera Traps Author Url

Voigt M, Kühl HS, Ancrenaz M, Gaveau D, Meijaard E, Santika T, Sherman J, Wich SA, Wolf F, Struebig MJ, Pereira HM, Rosa IMD. 2021. Deforestation projections imply range-wide population decline for critically endangered Bornean orangutan Cold Spring Harbor Laboratory DOI Publisher Url

Chalmers C, Fergus P, Wich S, Montanez AC. 2021. Conservation AI: Live Stream Analysis for the Detection of Endangered Species Using Convolutional Neural Networks and Drone Technology Author Url

Editorial/letter to the editor

Anderson K, Shabaga B, Wich S, Fink G, Barczyk M, Hodgson J, Chabot D. 2023. New topic horizons for drone systems and applications Drone Systems and Applications, 11 DOI Publisher Url Public Url

Wich SA, Piel AK. 2021. Preface Conservation Technology, :v-vi DOI Publisher Url

Meijaard E, Sherman J, Ancrenaz M, Wich SA, Santika T, Voigt M. 2018. Orangutan populations are certainly not increasing in the wild Current Biology, 28 :R1241-R1242 DOI Author Url Publisher Url

Wijedasa LS, Jauhiainen J, Könönen M, Lampela M, Vasander H, LeBlanc M, Evers SL, et al., . 2016. Denial of long-term issues with agriculture on tropical peatlands will have devastating consequences GLOBAL CHANGE BIOLOGY, DOI Author Url Publisher Url

Marshall AJ, Wich S, Ancrenaz M. 2016. Great apes: Fresh strategies to save orangutans Nature, 535 :493-493 DOI Author Url Publisher Url

Wich SA, Utami Atmoko SS, Setia TM, Van Schaik CP. 2009. Preface Orangutans: Geographic Variation in Behavioral Ecology and Conservation, DOI Publisher Url

Conference publication

Chalmers C, Fergus P, Wich SA, Longmore SN. 2021. Modelling Animal Biodiversity Using Acoustic Monitoring and Deep Learning International Joint Conference on Neural Networks, International Joint Conference on Neural Networks Virtual Event DOI Author Url Publisher Url Public Url

Burke C, Rashman M, McAree O, Hambrecht L, Longmore SN, Piel AK, Wich SA. 2018. Addressing environmental and atmospheric challenges for capturing high-precision thermal infrared data in the field of astro-ecology Proceedings of SPIE, SPIE. Astronimcal Telescopes and Instrumentation DOI Author Url Publisher Url Public Url

Rashman MF, Steele IA, Burke C, Longmore SN, Wich S. 2018. Adapting thermal-infrared technology and astronomical techniques for use in conservation biology Holland AD, Beletic J. HIGH ENERGY, OPTICAL, AND INFRARED DETECTORS FOR ASTRONOMY VIII, Conference on High Energy, Optical, and Infrared Detectors for Astronomy VIII 10709 DOI Author Url Publisher Url

Bonnin N, Van Andel A, Kerby J, Piel A, Wich S. 2017. Assessment of Chimpanzee Nest Detectability Using UAV-Derived Aerial Imagery FOLIA PRIMATOLOGICA, 88 :93-94 Author Url

Arbuckle K, Nichols H, Wich S, Bethell EJ. 2015. LJMU R workshop 2015 R workshop

Chen Y, Shioi H, Montesinos CAF, Koh EP, Wich S, Krause A. 2014. Active detection via adaptive submodularity 31st International Conference on Machine Learning, ICML 2014, 1 :87-110 Author Url

Chapters

Wich SA, Piel AK. 2021. Conservation and technology: An introduction Conservation Technology :1-12 DOI Publisher Url

Pintea L, Jantz SM, Wich SA. 2021. From the cloud to the ground: Converting satellite data into conservation decisions Conservation Technology :13-34 DOI Publisher Url

Wich SA, Hudson M, Andrianandrasana H, Longmore SN. 2021. Drones for conservation Conservation Technology :35-52 DOI Publisher Url

Matsuda I, Nakabayashi M, Otani Y, Wai YS, Tuuga A, Wong A, Bernard H, Wich SA, Kubo T. 2019. Comparison of Plant Diversity and Phenology of Riverine and Mangrove Forests with Those of the Dryland Forest in Sabah, Borneo, Malaysia Primates in Flooded Habitats: Ecology and Conservation :15-28 DOI Publisher Url

Wich SA, Koh LP, Szantoi Z. 2018. Classifying land cover on very high resolution drone-acquired orthomosaics New Geospatial Approaches to the Anthropological Sciences :121-135

Wich S, Scott L, Koh LP. 2016. Wings for wildlife: The use of conservation drones: Challenges and opportunities The Good Drone :153-167 DOI Publisher Url

Wich SA, Usher G, Peters HH, Khakim MFR, Nowak MG, Fredriksson GM. 2014. Preliminary data on the highland Sumatran orangutans (Pongo abelii) of Batang Toru High Altitude Primates :265-283 DOI Publisher Url

Books (authored)

Wich SA, Koh LP. 2018. Conservation drones: Mapping and monitoring biodiversity :1-118 DOI Publisher Url

Wich SA, Utami Atmoko SS, Setia TM, Van Schaik CP. 2009. Orangutans: Geographic Variation in Behavioral Ecology and Conservation :1-440 DOI

Riley M, Cotgrave A. 2008. Construction technology 9780230203624 DOI Publisher Url

Books (edited)

2016. An Introduction to Primate Conservation Wich SA, Marshall AJ. Oxford University PressOxford DOI Publisher Url

External PGR examinations performed:

Oxford Brookes University, PhD, Conservation and ecology of nocturnal primates – night monkeys, galagos, pottos, and angwantibos as case studies. 2017

Oxford Brookes University, PhD. 2015

University of Cambridge, PhD. 2014

Public engagement:

Demonstration, Wider Public, Participant, Chester Zoo, Chester Zoo: Wildlife Connections Festival, Drone demonstration, http://www.chesterzoo.org/whats-happening/whats-on/2016/09/wildlife-connections-festival. 2016

Other invited event:

CIEEM East Midlands Section Conference, Alfreton, UK, Invited presentation. 2015

Computers, Privacy and Data Protection meeting, Brussels, Belgium, Invited presentation. 2015

Seminar, Oxford Brookes University, UK, Alfreton. 2015

Seminar, University of Lancester, UK, Invited presentation. 2015

Seminar, Zeist, Netherlands (WWF Netherlands), Invited presentation. 2015

Commercial UAV Show, London, UK, Invited presentation and booth. 2014

Drone workshop, Oxford University, UK, Invited drone workshop and presentation. 2014

Geo for Good at Google, Mountain View, CA, Invited presentation and workshop participant. 2014

IPS, Hanoi, Vietnam, Invited presentation. 2014

Seminar, 3drobotics, Berkeley, USA, Invited presentation. 2014

Seminar, Helmholtz Institute, Germany, Invited presentation. 2014

Seminar, Manchester Metropolitan University, UK, Invited presentation. 2014

Seminar, University of Cambridge, UK, Invited presentation. 2014

Seminar, University of Salford, UK, Invited presentation. 2014

Seminars, Jersey Zoo, UK, Invited presentations. 2014

UAV and Environmental Research Confrence, University of Exeter, UK, Keynote presentation. 2014

Wildlife Society Conference, Pittsburgh, USA, Invited presentation. 2014

Drone meeting, Zeist, Netherlands, Invited presentation and demo. 2013

Great Ape Summit, Jackson Hole, USA, Invited presentation and panel participant. 2013

Seminar, Amsterdam, Netherlands, Invited presentation. 2013

Seminar, Chester Zoo, UK, Invited presentation. 2013

Seminar, University of Kent, UK, Invited presentation. 2013

Seminar, Utrecht, Netherlands, Invited presentation. 2013

Zoos and Aquariums Committing to Conservation Meeting, Des Moines, USA, Invited presentation. 2013

ZSL Technology for Nature, London, Invited presentation. 2013

GRASP Council Meeting, Paris, Invited presentation. 2012

Whale of a Time, London, Invited presentation. 2012

Seminar, Zeist, Netherlands, Invited presentation. 2012

Editorial boards:

Cogent Environmental Science, Section editor, http://cogentoa.tandfonline.com/journal/oaes20. 2015

Journal of Unmanned Vehicle Systems, Associate Editor, http://www.nrcresearchpress.com/journal/juvs. 2015

External collaboration:

http://anthro.rutgers.edu/fac/faculty-staff-dir/36-erin-vogel, Rutgers University, Dr. Erin Vogel.

http://www.adelaide.edu.au/directory/lianpin.koh, University of Adelaide, Dr. Lian Pin Koh.

http://www.aim.uzh.ch/Members/profofinstitute/vanschaik.html, University of Zurich, Dr. Carel van Schaik.

https://sites.lsa.umich.edu/ajmarsha/, University of Michigan, Dr. Andrew Marshall.

Industrial connections:

3drobotics.

External committees:

Board of Advisors, Dutch UAS, Member of the Board, http://www.dutchuas-tudelft.nl/.

Board of Advisors, Pongo Foundation, Member of the board, http://www.pongofoundation.com/.

Educational Committee, International Primatological Society, http://www.internationalprimatologicalsociety.org/.

Executive Committee, IUCN/SSC Section of Great Apes, Member of the executive Committee, http://www.primate-sg.org/great_apes/.

Scientific Commission of the Great Apes Survival Partnership, Great Apes Survival Partnership, Chair of the Scientific Commission, http://www.un-grasp.org/.

Research Grants Awarded:

Chester Zoo, Can reforestation help orang-utan conservation?, Grant value (£): 2,901.

Chester Zoo, The behavior, distribution and density of Sumatran orangutans in a reforestation area in North Sumatra, Orangutan Information Centre, Grant value (£): 17,369.

Denver Zoo, Conservationdrones, Grant value (£): 1,208.

Four Paws, Orangutan reintroduction, Grant value (£): 13,152.

Indianapolis Zoo, Drones for conservation, Grant value (£): 6,377.

Indianapolis Zoo, Sumatran orangutan conservation, Grant value (£): 15,942.

Margot Marsh, Sumatran orangutan monitoring, Sumatran Orangutan Conservation Program, Grant value (£): 9,565.

UNEP/GRASP, Oil Palm, Grant value (£): 25,500.

UNEP/GRASP, The Bornean orangutan and climate change, Grant value (£): 85,203.

USFWS, Assessing orangutan density with unmanned aerial vehicles along the Kinabatangan river (Sabah, Malaysia): a comparative method study, University of Cardiff and HUTAN, Grant value (£): 23,251.

USFWS, Evaluating the Efficacy of Conservation Drone Technology for Chimpanzee Monitoring in Western Tanzania, University of Cambridge and Jane Goodall Institute, Grant value (£): 16,284.

External PGR Supervision - completed students:

University of Amsterdam, PhD.

University of Utrecht, PhD.