Publications

Journal Publications

1 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 PDF
2 Brun C, Cook AR, Lee JSH, Wich SA, Koh LP, and Carrasco LR. 2015. Analysis of deforestation and protected area effectiveness in Indonesia: A comparison of Bayesian spatial models. Global Environmental Change 31: 285-295. PDF
3 Silk et al. 2015. An estimate of the number of tropical tree species. PNAS PDF
4 de Boer B, Wich SA, Hardus ME, Lameira AE. 2015. Acoustic models of orangutan hand-assisted alarm calls. The Journal of Experimental Biology 218: 907-914. PDF
5 Abram NK, Meijaard E, Wells JA, Ancrenaz M, Pellier A-S, 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. PDF
6 Runting RK, Meijaard E, Abram NK, Wells JA, Gaveau DLA, Ancrenaz M, Possingham HP, Wich SA, Ardiansyah F, Gumal MT, Ambu LN, Wilson KA. 2015. Nature Communications 6: 6819 PDF
7 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, vol. 10(1), PDF
8 Struebig MJ, Gonner C, Sykes R, Fischer M, Wilting A, Kramer-Schadt S, Gaveau DLA, Meijaard E, Wich SA. 2015.Anticipated climate and land-cover changes reveal refuge areas for Borneo’s orang-utans. Global Change Biology. PDF
9 Hardus ME, Lameira AR, Wich SA, Menken SBJ, De Vries H, Wahyudi R, Shumaker RW. 2014. Effect of repeated exposures and sociality on novel food acceptance and consumption by orangutans. Primates. PDF
10 J.C. van Gemert, C. Verschoor, P. Mettes, K. Epema, L.P. Koh, and S. Wich. Nature Conservation Drones for Automatic Localization and Counting of Animals In European Conference on Computer Vision workshop on Computer Vision in Vehicle Technology, 2014. PDF
11 Chen, Y., Shioi, H., Fuentes Montesinos, C.A., Koh, L.P., Wich, S., Krause, A. 2014. Active detection via adaptive submodularity. Journal of Machine Learning Research 32: 55-63. DOI PDF
12 Wich SA, Garcia-Ulloa J, Kühl HS, Humle T, Lee JS, Koh LP. 2014. Will Oil Palm’s Homecoming Spell Doom for Africa’s Great Apes?. Current biology : CB, vol. 24(14), 1659-1663 DOI PDF
13 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. DOI PDF
14 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, vol. 5(6), 1481-1507. DOI PDF
15 Lameira AR, De Vries H, Spruijt BM, Sterck EHM, Hardus ME, Kowalsky B, 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, vol. 134(3), 2326-2335 DOI PDF
16 Slik, F., et al. (2013) Large trees drive forest above ground biomass variation in moist lowland forests across the tropics. Global Ecology and Biogeography 22: 1261-2171 DOI PDF
17 Lameira AR, Nouwen KJJM, Topelberg E, Spruijt BM, Sterck EHM, Hardus ME, Delgado RA, 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, vol. 8(7). DOI PDF
18 Gaveau, D. L. A., Kshatriya, M., Sheil, D.,Sloan, S., Molidena, E., Wijaya, A., Wich, S., Ancrenaz, M., Hansen, M., Broich, M., Guariguata, M. R., Pacheco, P., Potapov, P., Turubanova, S., Meijaard, E. (2013) Reconciling Forest Conservation and Logging in Indonesian Borneo. PLoS ONE 8, e69887. DOI PDF
19 Lameira, A. R. de Vries. H., Hardus, M. E., Hall, C. P. A., Mitra-Setia, T., Spruijt, B. M., Kershenbaum, A., Sterck, E. H. M., van Noordwijk, M, van Schaik, C. and Wich, S. A. (2013). Predator guild does not influence orangutan alarm call rates and combinations. Behavioral Ecology and Sociobiology 67: 519-528. DOI PDF
20 Hardus, M.E., de Vries, H., Dellatore, D., Lameira, A.R., Menken, S.B.J., Wich, S.A. (2012) Socioecological correlates of inter-individual variation in orangutan diets at Ketambe, Sumatra. Behavioral Ecology and Sociobiology 67: 429-437 DOI PDF
21 Nater, A., Arora, N., Greminger, M. P., van Schaik, C. P., Singleton, I., Wich, S. A., Fredriksson, G., Perwitasari-Farajallah, D., Pamungkas, J., Krützen, M. (2012) Marked population structure and recent migration in the critically endangered Sumatran orangutan (Pongo abelii). Journal of Heredity 104: 2-13 DOI PDF
22 Wich, S.A., Gaveau, D., Abram, N., Ancrenaz, M., Baccini, A., Brend, S., Curran, L., Delgado R.A., Erman, A., Fredriksson, G.M., Goossens, B., Husson, S.J. Lackman, I., Marshall, A.J., Naomi, A., Molidena, E., Nardiyono., Nurcahyo, A., Odom, K., Panda, A., Purnomo., Rafiastanto, A., Ratnasari, D., Santana, A.H., Sapari, I., van Schaik, C.P., Sihite, J., Spehar, S., Santoso, E., Suyoko, A., Tiju, A., Usher, G., Utami Atmoko, S.S., Willems, E.P., Meijaard, E. (2012) Understanding the impacts of land-use policies on a threatened species: Is there a future for the Bornean orang-utan? PLoS ONE 7(11): e49142 DOI PDF
23 Koh, L. H., Wich, S. A. (2012) Dawn of drone ecology: low-cost autonomous aerial vehicles for conservation. Tropical Conservation Science 5: 121-132 PDF
24 Gogarten, J. F., Brown, L. M., Chapman, C. A., Cords, M., Doran-Sheehy, D., Fedigan, L. M., Grine, F. E., Perry, S., Pusey, A. E., Sterck, E. H. M., Wich, S. A., Wright, P. C. (2012) Seasonal mortality patterns in non-human primates: Implications for variation in selection pressures across environments. Evolution DOI PDF
25 Wich, S. A., Krützen, M., Lameira, A. R., Nater, A., Arora, N., Bastian, M. L., Meulman, E., Morrogh-Bernard, H. C., Utami Atmoko, S. S., Pamungkas, J., Perwitasari-Farajallah, D., Hardus, M. E., van Noordwijk, M., van Schaik, C. P. (2012) Call Cultures in Orang-Utans? PLoS one 7, e36180. DOI PDF
26 Meijaard, E., Wich, S., Ancrenaz, M., Marshall, A.J. (2012) Not by science alone: Why orangutan conservationists must think outside the box. Annals of the New York Academy of Sciences 1249: 29–44. DOI PDF
27 Hardus, M. E., Lameira, A. R., Menken, S. B. J., Wich, S. A. (2012) Effects of logging on orangutan behavior. Biological Conservation 146: 177-187. DOI PDF
28 Hardus, M.E., Lameira, A.R., Zulfa, A., Utami-Atmoko, S., de Vries, J. Wich, S.A. (2012) Behavioral, ecological and evolutionary aspects of meat-eating by Sumatran orangutans (Pongo abelii). International Journal of Primatology 33: 287-304 DOI PDF
29 Lameira, A.R. Hardus, M.E., Wich, S.A. (2011) Orangutan instrumental gesture-calls: Reconciling acoustic and gestural speech evolution models. Evolutionary biology 39: 415-418 DOI PDF
30 Wich, S.A., Fredriksson, G.M., Usher, G., Peters, H.H., Priatna, D., Basalamah, F., Susanto, W.W., Kühl, H. (2011) Hunting of Sumatran orang-utans and its importance in determining distribution and density. Biological Conservation146: 163-169. DOI PDF
31 Slik, J.W.F., Aiba, S-I, Bastian, M., Brearley, F.Q., Cannon, C.H., Eichhorn, K.A.O., Fredriksson, G., Kartawinata, K., Laumonier, Y., Mansor, A., Marjokorpi, A., Meijaard, E., Morley, R.J., Nagamasu, H., Nilus, R., Nurtjahya, E., Payne, J., Permana, A., Poulsen, A.D., Raes, N., Riswan, S., van Schaik, C.P., Sheil, D., Sidiyasa, K., Suzuki, E., van Valkenburg, J.L.C.H., Webb, C.O., 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 Acedemy of Sciences. 108: 12343-12347. DOI PDF
32 Wich S.A., Vogel E.R., Larsen M.D., Fredriksson G., Leighton M., Yeager C.P., Brearley F.Q., van Schaik C.P., Marshall A.J. (2011) Forest Fruit Production Is Higher on Sumatra Than on Borneo. PLoS one 6(6), e21278. DOI PDF
33 Wich, S.A. and Boyko, R. H. (2011) Which factors determine orangutan nests’ detection probability along nest-count transects? Tropical Conservation Science 4: 53-63 DOI PDF
34 Meijaard, E., Mengersen, K., Buchori, D., Nurcahyo, A., Ancrenaz, M., Wich, S., Utami Atmoko, S.S., Tjiu, A., Prasetyo, D., Nardiyono, Hadiprakarsa, Y., Christy, L., Wells, J., Albar, G. and Marshall, A.J. (2011) Why don’t we ask? A complementary method for assessing the status of great apes. PLoS one 6(3): e18008. DOI PDF
35 Nater, A., Nietlisbach, P., Arora, N., van Schaik, C.P., van Noordwijk, M.A., Willems, E.P., Singleton, I., Wich, S.A., Goossens, B., Warren, K.S.,  Verschoor, E.J., Perwitasari-Farajallah, D., Pamungkas, J. and Krützen, M. (2011) Sex-biased dispersal and volcanic activities shaped phylogeographic patterns of extant orangutans (genus: Pongo) Molecular Biology & Evolution 28: 2275-2288 DOI PDF
36 Lameira, A. R., Delgado, R. A. and Wich, S. A. (2010) Geographic Variation in Terrestrial Mammalian Acoustic Signals: Human Speech Variation in a Comparative Perspective. Journal of Evolutionary Psychology 8: 309-332 DOI PDF
37 Spillmann, B., Dunkel, L., van Noordwijk, M. A., Amda.R. N. A., Lameira, A., Wich, S. A., and van Schaik, C. P. (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 PDF
38 Bastian, M. L., Zweifel, N., Vogel, E. R., Wich, S. A., and van Schaik, C. P. (2010) Diet traditions in wild orangutans. American Journal of Physical Anthropology 148: 175-187 DOI PDF
39 Pontzer, H., Raichlen, D. A., Shumaker, R. W., Ocobocka, C.,and Wich, S. A. (published online August 10, 2010) Metabolic adaptation for low energy throughput in orangutans. Proceedings of the National Academy: doi:10.1073/pnas.1001031107 DOI PDF
40 Spehar, S., Mathewson, P. D., Nuzuar, Wich, S. A., Marhsall, A. J. and Meijaard, E. (published online August 4, 2010). Assesment of standing crop and marked nest count methods: lessons learned for orangutan conservation. Biotropica 42: 748-757. DOI PDF
41 Meijaard, E., Welsh, A., Ancrenaz, M., Wich, S., Nijman, V., and Marshal, A. J. (2010) Declining orangutan encounter rates from Wallace to the present suggest the species was once more abundant. PlosOne 5(8): e12042. DOI PDF
42 Jaeggi, A. V., Dunkel, L. P., van Noordwijk, M. A., Wich, S. A., Sura, A. A. L., and van Schaik, C. P. (2010) Social learning of diet and foraging skills by wild immature Bornean orangutans: Implications for culture. American Journal of Primatology 72: 62-71 DOI PDF
43 Gaveau, D., Wich S., Epting, J., Juhn, D., Kanninen, M., and Leader-Williams, N. (2009) The future of forests and orangutans (Pongo abelii) in Sumatra: predicting impact of oil palm plantations, road construction, and mechanisms for reducing carbon emissions from deforestation. Environmental Research Letters 4: 034013 (11p). DOI PDF
44 Hardus, M. A., Lameira, A. R., van Schaik, C. P. and Wich, S. A. (2009) Tool use in wild orang-utans modifies sound production: a functionally deceptive innovation? Proceedings of the Royal Society B. London 276: 3689-3694. DOI PDF
45 Venter, O., Meijaard, E., Possingham, H. P., Dennis, R., Sheil, D., Wich, S., Hovani, L., and Wilson, K. (2009). Confronting the carbon crisis- a safeguard for tropical forest wildlife. Conservation Letters. 2: 123-129. DOI PDF
46 Wich, S. A., Shumaker, R. W., Perkins, L., and 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 PDF
47 van Lavieren, E., and Wich, S. A. (2009) Decline of the Barbary Macaque  (Macaca Sylvanus) in the Cedar Forest of the Middle Atlas Mountains,  Morocco Oryx. 44: 133-138. DOI PDF
48 Wich, S. A., Swartz, K. B., Hardus, M. E., Lameira, A. R. Stromberg, E. and Shumaker, R. W. (2009) A case of spontaneous acquisition of a human sound by an orangutan. Primates 50: 56-64. DOI PDF
49 Wich, S. A., Meijaard, E., Marshall , A. J., Husson, S., Ancrenaz, M., Lacy, R. C., van Schaik, C. P., Sugardjito, J., Simorangkir, T., Traylor-Holzer, K., Doughty, M., Supriatna, J., Denon geonis, R., Gumal, M., Knott, C. D. and 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 PDF
50 Lameira, A. R. and Wich, S. A. (2008). Orangutan long call distortion and individuality over distance: a playback approach. International Journal of Primatology DOI PDF
51 Meiri, S., Meijaard, E., Wich, S. A., Groves, C. P. and Helgen, K. M. (2008) Mammals of Borneo – small size on a large island. Journal of Biogeography. 35: 1087-1094. DOI PDF
52 Wich, S. A. Schel, Anne Marijke and de Vries, H. (2008) Geographic Variation in Thomas Langur (Presbytis thomasi) Loud Calls. American Journal of Primatology 70:566-574. DOI PDF
53 Stewart, A-M. E., Gordon, C. H. Wich, S. A., Schroor, P. and Meijaard, E. (2008) Fishing in Long-tailed Macaques (Macaca fascicularis): A Rarely Observed Innovative Behavior. International Journal of Primatology. 29: 543-548. DOI PDF
54 Wich, S.A., and Sterck, E.H.M. (2007) Familiarity and threat of opponents determine variation in Thomas langur (Presbytis thomasi) male behaviour during between-group encounters. Behaviour 144: 1583-1598 DOI PDF
55 Meijaard, E., and Wich, S. A. (2007) Putting orangutan population trends into perspective. Current Biology. 17 (14): R540. DOI PDF
56 Mul, I. F., Paembonan, W., Singleton, I., Wich, S. A. and van Bolhuis, H. G. (2007) Intestinal parasites of free-ranging, semi-captive and captive Sumatran orangutans (Pongo abelii) in Sumatra, Indonesia. International Journal of Primatology: 28: 407-420. DOI PDF
57 Wich, S. A., Steenbeek, R., Sterck, E.H.M., Korstjens, AH, Willems, EP. and van Schaik, C. P (2007) Demography and life history of Thomas langurs (Presbytis thomasi). American Journal of Primatology 69: 641-651. DOI PDF
58 Wich, S. A., Utami-Atmoko, S.S., Mitra Setia, T., Djoyosudharmo, S., and Geurts, M.L. (2006) Dietary and Energetic Responses of Pongo abelii to Fruit Availability Fluctuations. International Journal of Primatology 27: 1535-1550 DOI PDF
59 van Adrichem, G. G. J., Utami, S. S. Wich, S. A., van Hooff, J. A. R. A. M. And Sterck, E. H. M. (2006) The development of wild immature Sumatran orangutans (Pongo abelii) at Ketambe Primates 47: 300-309 DOI PDF
60 Buij, R., Fox, E. F., and Wich, S. A. (2006) Birds of the Gunung Leuser National Park, northern Sumatra. Kukila 13: 23-47 PDF
61 Fredriksson, G. M., Wich, S. A., and Trisno (2006) Frugivory in sun bears (Helarctos malayanus) linked to El Niño-related fluctuations in fruiting phenology, East Kalimantan, Indonesia. Biological Journal of the Linnean Society 89: 489-508 DOI PDF
62 van Schaik, C. P., van Noordwijk, M. And Wich, S. A. (2006) Innovation in wild Bornean orangutans (Pongo pygmaeus wurmbii) Behaviour. 143: 839-876. DOI PDF
63 Wich, S. A. and de Vries, H.  (2006) Male monkeys remember which group members have given alarm calls. Proceedings of the Royal Society London B. 273: 735-740. DOI PDF
64 Sterck, E. H. M , Erik P. Willems, Jan A.R.A.M van Hooff and Wich, S. A. (2005) Female Transfer and the Influence of Male Life Phases in Thomas Langurs (Presbytis thomasi). Behaviour 142: 845-868 DOI PDF
65 van Schaik, C. P., Wich, S. A., Utami, S. S. & Odom, K. (2005) A simple method alternative to line transects of nests for estimating orangutan densities. Primates 46:249-254 DOI PDF
66 Wich, S. A., Utami-Atmoko, S. S., Mitra Setia, T., Rijksen, H. R., Schürmann, C., van Hooff, J. A. R. A. M., and van Schaik, C. P. (2004). Life history of wild Sumatran orangutans (Pongo abelii). Journal of Human Evolution 47: 385-398. DOI PDF
67 Wich, S. A., Buij, R., and van Schaik, C. P. (2004). Determinants of orangutan density in the dryland forests of the Leuser Ecosystem. Primates 45:177-182. DOI PDF
68 Wich, S. A., Assink, P. R., and Sterck, E. H. M. (2004). Thomans langurs (Presbytis thomasi) discriminate between calls of young solitary versus older group-living males: a factor in avoiding infanticide? Behaviour 141: 41-51. DOI PDF
69 Knop, E., Ward, P. I. and Wich, S. A. (2004). Comparing orangutan density in a logged and unlogged forest on Sumatra. Biological Conservation 120: 183-188. DOI PDF
70 Boubli, J. P., Eriksson, J., Wich, S. A., Hohmann, G. and Fruth, B. (2004). Mesoscale Tree Inventory of the Lomako-Yekokora Interfluvium, Democratic Republic of the Congo. Biodiversity and Conservation 13: 2399-2417 DOI PDF
71 Wich, S. A., Singleton, I., Utami-Atmoko, S. S., Geurts, M. L., Rijksen, H. D. and van Schaik, C. P.  (2003) The status of the Sumatran Orangutan Pongo abelii: an update. Oryx 37 (1): 49-54. DOI PDF
72 Wich, S. A., Koski, S. , de Vries, H. and van Schaik, C. P. (2003)  Individual and contextual variation in Thomas langur male loud calls. Ethology 109: 1-13. DOI PDF
73 Wich, S. A., van de Post, D. J., Heistermann, M., Möhle, M., van Hooff, J. A. R. A. M., Sterck, E. H. M. (2003) Tenure Related Changes in Male Loud Call Characteristics and Testosterone Levels in wild Thomas langurs. International Journal of Primatology 24: 1251-1265 DOI PDF
74 Wich, S. A. and Sterck, E. H. M. (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 PDF
75 Wich, S. A. and Nunn, C. L. (2002) Do male “long-distance calls” function in mate defense? A comparative study of long-distance calls in primates. Behavioural Ecology and Sociobiology 54:474-484. DOI PDF
76 Wich, S. A., Fredriksson, G., Sterck, E. H. M. (2002) Measuring fruit patch size availability for three sympatric Indonesian primates. Primates 43(1): 19-27. DOI PDF
77 Wich, S. A., Assink, P. R., Becher, F. and Sterck, E. H. M. (2002) Playbacks of loud calls to wild Thomas langurs (Primates; Presbytis thomasi): the effect of familiarity. Behaviour 139: 79-87. DOI PDF
78 Wich, S. A., Assink, P. R., Becher, F. and Sterck, E. H. M. (2002) Playbacks of loud calls to wild Thomas langurs (Primates; Presbytis thomasi): the effect of location. Behaviour 139: 65-78. DOI PDF
79 Buij, R., Wich, S. A., Lubis, A. H., and Sterck, E. H. M. (2002) Seasonal movements in the Sumatran orangutan (Pongo pygmaeus abelii) and consequences for conservation. Biological Conservation 107:  83-87. DOI PDF
80 Wich, S. A. and van Schaik, C.P. (2000) The impact of El Niño on mast fruiting in Sumatra and elsewhere in Malesia Journal of Tropical Ecology 16 (4), 563-577. PDF
81 Steenbeek, R., Assink, P. and Wich, S.A. (1999) Tenure related changes in wild Thomas’s langurs II: loud calls. Behaviour 136: 627-650. DOI PDF
82 Wich, S. A., Steenbeek, R., Sterck, E. H. M., Palombit, R. A. and Usman, S. (1999) Tree mortality and recruitment in an Indonesian rainforest. Tropical Biodiversity 6(3): 189-195. PDF
83 Wich, S. A., Sterck, E. H. M. and Utami, S. S. (1999) Are orangutan females as solitary as chimpanzee females? Folia Primatologica 70: 23-28. DOI PDF
84 Utami, S., Wich, S. A., Sterck, E, H, M. and Hooff, J. A. R. A. M. van. (1997) Food competition between wild orangutans in large fig trees. International Journal of Primatology 18 (6): 909-927. DOI PDF
85 Graaf, B. de., Bos, J. E., Wich, S. A. and Bles, W. (1994) Arthrokinetic and vestibular information enhance smooth ocular tracking during linear (self) motion. Experimental Brain Research 101: 147-152. DOI

Books
Wich, S. A., Utami Atmoko, S. S., Mitra Setia, T., and van Schaik, C. P. (2009) Orangutans: Geographic variation in behavioral ecology and conservation. Oxford University Press

Book Chapters

 

1 Wich, S. A. and Sterck, E. H. M. (2010) Thomas Langurs: Ecology, Sexual Conflict and Social Dynamics. In: Indonesian Primates. Gursky, S. and Supriatna, J. (Eds.) Springer, New York. pp. 285-308
2 Wich, S. A., Utami Atmoko, S. S., Mitra Setia, T., van Schaik, C. P. (2009) Preface. In: Wich, S. A., Utami Atmoko, S. S., Mitra Setia, T., and van Schaik, C. P. (Eds.) 2009. Orangutans: Geographic variation in behavioral ecology and conservation. Oxford University Press.  Pp. xix-xxxi.
3 Hardus, M. E., Lameira, A. R., Singleton, I., Morrogh-Bernard, H. C., Knott, C. D., Ancrenaz, M., Utami Atomoko, Wich, S. A. (2009) A description of the orangutan’s vocal and sound repertoire, with a focus on geographic variation. In: Wich, S. A., Utami Atmoko, S. S., Mitra Setia, T., and van Schaik, C. P. (Eds.) 2009. Orangutans: Geographic variation in behavioral ecology and conservation. Oxford University Press. Pp. 49-64.
4 Wich, S. A., de Vries, H., Ancrenaz, M., Perkins, L., Shumaker, R. W., Suzuki, A., and van Schaik, C. P. (2009) Orangutan life history variation. In: Wich, S. A., Utami Atmoko, S. S., Mitra Setia, T., and van Schaik, C. P. (Eds.) 2009. Orangutans: Geographic variation in behavioral ecology and conservation. Oxford University Press. Pp. 65-76.
5 Husson, S. J., Wich, S. A., Marshall, A. J., Dennis, R., Ancrenaz, M., Brassey, R., Gumal, M., Hearn, A. J., Meijaard, E., Simorangkir, T., and Singleton, I. (2009) Orangutan distribution, abundance and impacts of disturbance. In: Wich, S. A., Utami Atmoko, S. S., Mitra Setia, T., and van Schaik, C. P. (Eds.) 2009. Orangutans: Geographic variation in behavioral ecology and conservation. Oxford University Press. Pp. 77-96.
6 Marshall, A. J., Ancrenaz, M., Brearley, F. Q., Fredriksson, G. M., Gaffar, N., Heydon, M., Husson, S. J., Leighton, M., McConkey, K. R., Morrog-Bernard, H. C., Proctor, J., van Schaik, C. P., Yeager, C. P., and Wich, S. A. (2009) The effects of forest phenology anf floristics on populations of Bornean and Sumatran orangutans. In: Wich, S. A., Utami Atmoko, S. S., Mitra Setia, T., and van Schaik, C. P. (Eds.) 2009. Orangutans: Geographic variation in behavioral ecology and conservation. Oxford University Press. Pp. 97-118.
7 Morrogh-Bernard, H. C., Husson, S. J., Knott, C. D., Wich, S. A., van Schaik, C. P., van Noordwijk, M. A., Lackman-Ancrenaz, I., Marshall, A. J., Kanamori, T., Kuze, N., and bin Sakong, R. (2009) Orangutan activity budgets and diet. In: Wich, S. A., Utami Atmoko, S. S., Mitra Setia, T., and van Schaik, C. P. (Eds.) 2009. Orangutans: Geographic variation in behavioral ecology and conservation. Oxford University Press. Pp. 119-134.
8 Russon, A. E. Wich, S. A. Ancrenaz, M., Kanamori, T., Knott, C. D., Kuze, N., Morrogh-Bernard, H. C., Pratje, P., Ramlee, H., Rodman, P., Sawang, A., Sidayasa, K., Singleton, I., and van Schaik, C. P. (2009) Geographic variation in orangutan diets.  In: Wich, S. A., Utami Atmoko, S. S., Mitra Setia, T., and van Schaik, C. P. (Eds.) 2009. Orangutans: Geographic variation in behavioral ecology and conservation. Oxford University Press. Pp. 135-156.
9 Knott, C. D., Emery Thompson, M., and Wich, S. A. (2009) The ecology of female reproduction in wild orangutans. In: Wich, S. A., Utami Atmoko, S. S., Mitra Setia, T., and van Schaik, C. P. (Eds.) 2009. Orangutans: Geographic variation in behavioral ecology and conservation. Oxford University Press. Pp. 171-188.
10 Singleton, I., Knott, C. D., Morrogh-Bernard, H. C., Wich, S. A., and van Schaik, C. P. (2009) Ranging behavior of orangutan females and social organization. In: Wich, S. A., Utami Atmoko, S. S., Mitra Setia, T., and van Schaik, C. P. (Eds.) 2009. Orangutans: Geographic variation in behavioral ecology and conservation. Oxford University Press. Pp. 205-214.
11 Delgado, R. A., Lameira, A. R., Davila Ross, M., Husson, S. J., Morrogh-Bernard, H. C., and Wich, S. A. (2009) Geographical variation in orangutan long calls. In: Wich, S. A., Utami Atmoko, S. S., Mitra Setia, T., and van Schaik, C. P. (Eds.) 2009. Orangutans: Geographic variation in behavioral ecology and conservation. Oxford University Press. Pp. 215-224.
12 Prasetyo, D., Ancrenaz, M., Morrogh-Bernard, H. C., Utami-Atmoko, S. S., Wich, S. A., and van Schaik, C. P. (2009). Nest building in orangutans. In: Wich, S. A., Utami Atmoko, S. S., Mitra Setia, T., and van Schaik, C. P. (Eds.) 2009. Orangutans: Geographic variation in behavioral ecology and conservation. Oxford University Press. Pp. 269-278.
13 Marshall, A. J., Lacy, R., Ancrenaz, M., Byers, O., Husson, S. J., Leighton, M., Meijaard, E., Rosen, N., Singleton, I., Stephens, S., Traylor-Holzer, K., Utami Atmoko, S. S., van Schaik, C. P. and Wich, S. A. (2009) Orangutan population biology, life history and conservation. In: Wich, S. A., Utami Atmoko, S. S., Mitra Setia, T., and van Schaik, C. P. (Eds.) 2009. Orangutans: Geographic variation in behavioral ecology and conservation. Oxford University Press. Pp. 311-326.
14 van Schaik, C. P., Marshall, A. J., and Wich, S. A. (2009) Geographic variation in orangutan behavior and biology. In: Wich, S. A., Utami Atmoko, S. S., Mitra Setia, T., and van Schaik, C. P. (Eds.) 2009. Orangutans: Geographic variation in behavioral ecology and conservation. Oxford University Press. Pp. 351-362.
15 Shumaker, R.W., Wich, S. A. and Perkins, L. (2008). Reproductive Life History Traits of Female Orangutans (Pongo spp.) In: Primate Reproductive Aging. Interdisciplinary Topics in Gerontology. Atsalis, S. and Margulis, S. W. and Hof, P. R. (eds). Karger, Germany. Vol 36: 147-161.
16 Wich, S. A., Geurts, M. L., Mitra Setia, T.,and Utami-Atmoko, S. S. (2006). Influence of fruit availability on Sumatran orangutan sociality and reproduction. In: Feeding Ecology in apes and other Primates. Hohmann, G., Robbins, M. and Boesch, C. (Eds.). Cambridge, Cambridge University Press. pp. 335-356.

Selected Other publications

 

Wich, S. A., Riswan., Jenson, J., Refisch, J., Nelleman, C. (2012) Orangutans and the economics of sustainable forest management in Sumatra. UNEP/GRASP/PanEco/YEL/ICRAF/GRID-Arendal.

Singleton, I., Supriatna, J. and Wich, S. A. 2009. Sumatran orangutan Pongo abelii Lesson, 1827. In: R. A. Mittermeier et al., Primates in Peril: The World’s 25 Most Endangered Primates 2008–2010, pp.65-67. IUCN/SSC Primate Specialist Group (PSG), International Primatological Society (IPS), and Conservation International (CI), Arlington, VA.

Wich, S. A. (2002) The Structure and Function of Thomas langur Loud Calls. PhD-Thesis, Utrecht University

Singleton, I., S. Wich, S. Husson, S. Stephens, S. Utami Atmoko, M. Leighton, N. Rosen, K. Traylor-Holzer, R. Lacy and O. Byers. (2004). Orangutan Population and Habitat Viability Assessment: Final Report. IUCN/SSC Conservation Breeding Specialist Group, Apple Valley, MN.

Lubis, A. H., Wich, S.A., Sterck, E. H. M., and Buij, R. (2001) Population estimates and seasonal movement in Sumatran orangutan (Pongo pygmaeus). In: Prosiding Seminar Primatologi Indonesia 2000: Konservasi Satwa Primata. Fakultas Kedotoran Hewan & Fakultas Kehutanan, Universitas Gadjah Mada, Bulaksumur, Yogyakarta. Pp 85-101.

Lubis A.H., Wich, S.A., Sterck, E.H.M., Buij, R. (2002) Population estimates and seasonal movement in the Sumatran orangutan (Pongo abelii). Abstracts of the XIXth congress of the International Primatological Society. Beijing.  2002: 231-232

Janmaat, K. R. L. & Wich, S. A. (2000) Travel leadership in wild Thomas langurs, Presbytis thomasi. Absracts of the 18th Congres of the International Primatological Society. Adeleide, Australie. 504.

Singleton, I., Wich, S.A., van Schaik, C.P., Utami-Atmoko, S.S. & Rijksen, H.R. (2002) An update on Sumatran orangutan distribution, ranging behaviour, and social organisation. Abstracts of the 19th congress of the International Primatological Society. Beijing. 213

Shepherd, C. R., Sukumaran, J., Wich, S.A. (2004) Open Season: An analysis of the pet trade in Medan, Sumatra 1997 – 2001. TRAFFIC Southeast Asia. ISBN 983-3393-02-0

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