Publications, Presentations, and Reports

2017

Almeida Warren, K. Sommer, V., Piel, A.K., Pascual-Garrido, A. Raw material procurement for termite fishing tools by wild chimpanzees in the Issa valley, western Tanzania. American Journal of Physical Anthropology. DOI: 10.1002/ajpa.23269 [PDF]

Guardado, M.,Davenport, E.R., Romero, I.G., Stewart, F., Piel, A., Perry, G.H. (abstract) Investigating the impact of ingested microbes on the gut microbiome composition of chimpanzees. American Association of Physical Anthropologists, New Orleans, April 2017.

2016

Schoeninger, M.S., Most, C.A.,  Moore, J.J., Somerville, A.D. Environmental variables across Pan troglodytes study sites correspond with the carbon, but not the nitrogen, stable isotope ratios of chimpanzee hair. American Journal of Primatology, 78:1055-1069. [PDF]

Pascual-Garrido, A., Sommer, V., Almeida Warren, K. Raw material procurement for termite fishing tools in wild chimpanzees (abstract). Chimpanzees in Context, Chicago, USA. August 2016.

Mapua, M.I., Petrželková, K.J., Burgunder, J., Dadakova, E., Brozova, K., Hrazdilova, K., Stewart, F.A., Piel, A.K., Vallo, P., Fuehrer, H-P., Hashimoto, C., Modry, D., Ahmad Qablan, M.  A comparative molecular survey of malaria prevalence among Eastern chimpanzee populations in the Issa valley (Tanzania) and Kalinzu (Uganda). Malaria [PDF].

Kalan, A.K., Piel, A.K., Mundry, R., Wittig, R.W., Boesch, C., Kühl, H.J. Passive acoustic monitoring reveals group ranging and territory use: a case study of wild chimpanzees (Pan troglodytes). Frontiers in Zoology, DOI: 10.1186/s12983-016-0167-8. [PDF]

Wondra, E., van Castern, A., Pascual-Garrido, A., Stewart, F.A., Piel, A.K. A new report of chimpanzee ant-fishing from the Issa Valley, Tanzania. African Primates 11(1): 1-18 [PDF]

McLester, E., Stewart, F.A., and Piel, A.K. Observation of African wild dogs and a chimpanzee. African Primates 11(1): 27-36 [PDF]

Johnson, C., Piel, A.K., Forman, D.W., Stewart, F.A., King, A.J. The ecological determinants of baboon troop movements at local and continental scales (abstract). Association of Tropical Biology and Conservation, Montpellier, France. June 2016

Kalan, A.K., Piel, A.K., Heinicke, S., Lukashevich, H., Mundry, R., Wagner, O.J.J., Wittig, R.M., Boesch, C., and Kühl, H.J. Passive acoustic monitoring (PAM) of primates: progress and challenges (abstract). GEO BON Open Science conference. June 2016.

Kühl, H.J., Kalan, A., Arandjelovic, M. and 90 others. Chimpanzee accumulative stone throwing. Scientific Reports, DOI: 10.1038/srep22219 [PDF]

Jirků-Pomajbíková. K., Čepička, I., Kalousová, B., Jirků. M., Stewart, F., Levecke, B., Modrý, D., Piel, A.K., and Petrželková, K.J. Molecular identification of Entamoeba species in savanna woodland chimpanzees (Pan troglodytes schweinfurthii). Parasitology, DOI: 10.1017/S0031182016000263[PDF]

Piel, A.K. (Symposium organizer) Unseen, but not unheard: Passive acoustic monitoring as an emerging tool in the study of wild primates. International Primatological Congress, Chicago, August 2016.

Kalan, A.K., Piel, A.K., Heinicke, S., Lukashevich, H., Mundry, R., Wagner, O.J.J., Wittig, R.M., Boesch, C., and Kühl, H.J. Detecting presence and species’ ranging behavior using passive acoustic monitoring (abstract). International Primatological Congress, Chicago, August 2016.

Piel, A.K., Tibble, L. Screaming bushbabies: Spatiotemporal call patterns of Otolemur crassicaudatus (abstract). International Primatological Congress, Chicago, August 2016.

Coutts, N. Piel, A.K. Savanna soundscapes: Chimpanzee long calls and competition for acoustic space (abstract). International Primatological Congress, Chicago, August 2016.

McLester, E., Stewart, F.A. Piel, A.K. Mahale’s Monkeys: Cercopithecine and Colobine abundance and distribution across unproteced land in the Greater Mahale Ecosystem, western Tanzania (abstract). International Primatological Congress, Chicago, August 2016.

McLester, E., Stewart, F.A., Piel, A.K. Red-tailed monkey (Cercopithecus ascanius) ranging behaviour in a mosaic landscape as a response to food availability, seasonality and weather (abstract). International Primatological Congress, Chicago, August 2016. [PDF]

Kalousová, B., Petrželková, P.J., Čížková, D., Kreisinger, J., Vallo, P., Hasegawa, H., Sato, H., Shutt, K., Tagg, N., Piel, A., Stewart, F., Wangue, N., Todd, A., Modrý, D. Epidemiology of strongylid infections in humans and wild great apes from several locations across Central and East Africa (abstract). International Primatological Congress, Chicago, August 2016.

2015

Ramirez-Amaya, S., McLester, E., Stewart, F.A., Piel, A. Savanna chimpanzees (Pan troglodytes schweinfurthii) consume and share blue duiker (Philantomba monticola) meat in the Issa Valley, Ugalla western Tanzania. Pan Africa News. [PDF].

Piel, A.K., Cohen, N., Kamenya, S., Ndimuligo, S.A., Pintea, L., Stewart, F.A. Population status of chimpanzees in the Masito-Ugalla Ecosystem, Tanzania. American Journal of Primatology, DOI: 10.1002/ajp.22438 [PDF]

Johnson, C., Piel, A.K., Forman, D., Stewart, F.A., King, A.J. The ecological determinants of baboon troop movements at local and continental scales. Movement and Ecology, DOI:  10.1186/s40462-015-0040-y [PDF]

Bonnin, N., Piel, A.K., Ramirez, M., Li, Y., Loy, E., Crystal, P., Hahn, B., Knapp, L.A., Stewart, F.A. Gene flow and genetic diversity of Tanzania’s Greater Mahale Ecosystem chimpanzees (abstract). European Federation for Primatology Congress. Rome, Italy. August 2015.

Piel, A.K., Spillman, B., Hoepfner, A. Nighttime noises: Nocturnal wild chimpanzee and orangutan calling behavior using passive acoustic monitoring (abstract). European Federation for Primatology Congress. Rome, Italy. August 2015.

Moore D.L, K. E. Langergraber, L. Vigilant. Genetic analyses suggest male philopatry and territoriality in savanna-woodland chimpanzees (Pan troglodytes schweinfurthii) of Ugalla, Tanzania. International Journal of Primatology, DOI: 10.1007/s10764-015-9830-8 [PDF]

Piel, A.K., A. Lenoel, C. Johnson, F. Stewart. Deterring poaching in western Tanzania: The presence of wildlife researchers. Global Ecology and Conservation, 15: 188-199. DOI: 10.1016/j.gecco.2014.11.014 [PDF]

Tibble, L., Stewart, F.A., Piel, A.K. Screaming bushbabies: The influence of environmental factors on loud calls in greater galagos (Otolemur crassicaudatus) in the Issa Valley, Ugalla, Western Tanzania (abstract). Primate Society of Great Britain, Roehampton, UK. April 2015. [PDF]

2014

Russak, S. Using patch focals to study unhabituated dry-habitat chimpanzees (Pan troglodytes schweinfurthii) ad sympatric fauna at Issa, Ugalla, Tanzania. International Journal of Primatology, 35:1202-1221. DOI: 10.1007/s10764-014-9803-3  [PDF]

A. Kershenbaum, D. T. Blumstein, M. A. Roch, Ç. Akçay, G. Backus, M. Bee, K. Bohn, Y. Cao, G. Carter, C. Cäsar, M.Coen, S. L. DeRuiter, L. Doyle, S. Edelman, R. Ferrer-i-Cancho, T. M. Freeberg, E. C. Garland, M. Gustison, H. E. Harley, C. Huetz, M. Hughes, J. H. Bruno, A. Ilany, D. Z. Jin, M. Johnson, C. Ju,  J. Karnowski, B. Lohr, M. B. Manser, B. McCowan, E. Mercardo III, P. M. Narins, A. Piel, M. Rice, R. Salmi, K. Sasahara, L. Sayigh, Y. Shiu, C. Taylor, E. E. Vallejo, S. Waller, and V. Zamora-Gutierrez. Acoustic sequences in non-human animals: A tutorial review and prospectus, Biological Reviews, doi: 10.1111/brv.12160 – online [PDF]

Brozova, K., K. Hrazdilová, A.K. Piel, F.A. Stewart, K.J. Petrželková, C. Vladimir. Phylogenetic characterization of Bocaviruses infecting wild and captive living chimpanzees (abstract). International Meeting of Emerging Diseases and Surveillance. Vienna, Austria. October 2014.

Slaninková, E, K. Hrazdilová, A.K. Piel, F.A. Stewart, K.J. Petrželková, V. Celer. Identification and comparison of adenoviruses in fecal samples from wild and captive non-human primates (abstract). 4th World Congress on Virology. San Antonio, Texas. October 2014.

Liu W, Li Y, Shaw K, Learn G, Plenderleith L, Malenke J, Sundararaman S, Ramirez M, Crystal P, Smith A, Bibollet-Ruche F, Ayouba A, Locatelli S, Esteban A, Mouacha F, Guichet E, Butel C, Ahuka-Mundeke S, Inogwabini BI, Ndjango JB, Speede S, Sanz C, Morgan D, Gonder M, Kranzusch P, Walsh P, Georgiev A, Muller M, Piel A, Stewart F, l Wilson M, Pusey A, Cui L, Wang Z, Färnert A, Sutherland C, Nolder D, Hart J, Hart T, Bertolani P, Gillis A, LeBreton M, Tafon B, Kiyang J, Djoko C, Schneider B, Wolfe N, Mpoudi-Ngole E, Delaporte E, Carter R, Culleton R, Shaw G, Rayner J, Peeters M, Hahn. B, Sharp P. African origin of the malaria parasite Plasmodium vivax. Nature Communications, DOI:10.1038/ncomms4346. [PDF]

Piel, A.K. and F. A. Stewart. Census and conservation status of chimpanzees (Pan troglodytes schweinfurthii) across the Greater Mahale Ecosystem. Report submitted to The Nature Conservancy, 65pp.

Piel, A.K.  Savanna Sounds: Using remote acoustic sensing to study spatiotemporal patterns in wild chimpanzee loud vocalizations in the Issa Valley, Ugalla, Western Tanzania. [PhD dissertation] University of California, San Diego. [Here]

Piel, A.K.,  A. Lenoel, F. Stewart. Mammals and menaces in the Issa Valley, western Tanzania: Does researcher presence contribute to wildlife conservation. Proceedings of the 9th Annual TAWIRI Scientific Meeting. Arusha, Tanzania. December 2013.

2013

Johnson, C., F.A. Stewart, A. King, A. Piel. Day path length of yellow baboons in a primate-rich, seasonal, woodland habitat: The Issa Valley, Tanzania. (abstract). Proceedings of the 9th Annual TAWIRI Scientific Meeting. Arusha, Tanzania. December 2013.

Piel, A.K.,  A. Lenoel, F. Stewart. Mammals and menaces in the Issa Valley, Ugalla, western Tanzania. (abstract). 9th Annual TAWIRI Scientific Meeting. Arusha, Tanzania. December 2013.

Moore, D. and L. Vigilant. A population estimate of chimpanzees (Pan troglodytes schweinfurthii) in the Ugalla region using standard and spatially explicit genetic capture-recapture methods. American Journal of Primatology. DOI: 10.1002/ajp.22237 [PDF]

Moore, D. and L. Vigilant. Genetic diversity at the edge: comparative assessment of Y-chromsome and autosomal diversity in eastern chimpanzees (Pan troglodytes schweinfurthii) of Ugalla, Tanzania. Conservation Genetics. DOI 10.1007/s10592-013-0556-x [PDF]

Kalousova, B., A.K. Piel, K. Pomajbikova, D. Modry, F.A. Stewart, K.J. Petrzelkova. Gastrointestinal parasites of savanna chimpanzees (Pan troglodytes schweinfurthii) in Ugalla, Tanzania. International Journal of Primatology. DOI 10.1007/s10764-014-9753-9 [PDF]

Piel, A.K. & F.A. Stewart. Identifying critical habitats for savanna chimpanzee conservation in western Tanzania using new landscape-scale censusing techniques. Report submitted to The Jane Goodall Institute and the United States Fish and Wildlife Service, 44pp.

Stewart, F.A. & A.K. Piel. Termite fishing by wild chimpanzees: new data from Ugalla, western Tanzania. Primates. [PDF]

Johnson, C.L., F.A. Stewart, D.W. Forman, A.J. King, & A.K. Piel. The yellow mile: Patterns of space- and resource-use by yellow baboons in Ugalla, western Tanzania (abstract). Primate Society of Great Britain, Lincoln, UK. April 2013. [PDF]

Hernandez-Aguilar, R.A., J. Moore, and C. Stanford. Chimpanzee nesting patterns in savanna habitat: Environmental influences and preferences. American Journal of Primatology, 75:979-994 [PDF]

Piel, A.K., F.A. Stewart, L. Pintea, Y. Li, M.A. Ramirez, D.E Loy, P.A. Crystal, G.H. Learn, L.A. Knapp, P.M. Sharp, and B.H. Hahn. The Malagarasi River does not form an absolute barrier to chimpanzee movement in western Tanzania. PLoS ONE. DOI: 10.1371/journal.pone.0058965 [PDF]

Stewart, F.A. and J.D. Pruetz. Do chimpanzee nests serve an anti-predatory function? American Journal of Primatology, 75:593-604. DOI: 10.1002/ajp.22138 [PDF]

2012

Gonzales-Moreno, O., R.A. Hernandez-Aguilar, A.K.Piel, F.A. Stewart, M. Gracenea, J. Moore. Prevalence and climatic associated factors of Cryptosporidium sp. infections in savanna chimpanzees from Ugalla, Western Tanzania. Parasitology Research, DOI: 10.1007/s00436-012-3147-8 [PDF]

Russak, S.R. F.A. Stewart, A.K. Piel. A comparison of methods for studying elusive savanna chimpanzees at Ugalla, Tanzania. American Journal of Physical Anthropology, Supp.[PDF]

Vallo, P., K.J. Petrzelkova ́, I. Profousova ́, J. Petrasova,K. Pomajbıkova ́, F. Leendertz, C. Hashimoto, N. Simmons, F. Babweteera, Z. Machanda, A. Piel, M. Robbins, C. Boesch, C. Sanz, D. Morgan, V. Sommer,T. Furuichi, S. Fujita, T. Matsuzawa, T. Kaur, M.A. Huffman, D. Modry ́. Molecular Diversity of Entodiniomorphid Ciliate Troglodytella abrassarti and its Coevolution With Chimpanzees. American Journal of Physical Anthropology DOI 10.1002/ajpa.22067 [PDF]

2011

Rudicell, R., A.K. Piel, F. Stewart, D.L. Moore, G.H. Learn, T. Li, J. Takehisa, L.Pintea, G.M. Shaw, J. Moore, P.M. Sharp, B.H. Hahn. High Prevalence of Simian Immunodeficiency Virus Infection in a Community of Savanna Chimpanzees. J of Virology 85 (18):9918-9928. [PDF]

Stewart, F.A., A.K. Piel, W.C. McGrew. Living archaeology: Artefacts of specific nest site fidelity in wild chimpanzees. Journal of Human Evolution 61(4): 388-395. [PDF]

Stewart, F.A. The evolution of shelter: ecology and ethology of chimpanzee nest building. [PhD dissertation] University of Cambridge, Cambridge. [Here]

Piel, A.K. A novel acoustic localization system for the study of wildlife: A case study of chimpanzees in the Issa Valley, Ugalla. Conference Proceedings, 7th Tanzania Wildlife Research Institute Scientific Conference, Arusha, Tanzania, December 2009.

2010

Plumptre, A.J., Rose, R., Nangendo, G., Williamson, E.A., Didier, K., Hart, J., Mulindahabi, F., Hicks, C., Griffin, B., Ogawa, H., Nixon, S., Pintea, L., Vosper, A., McClennan, M., Amsini, F., McNeilage, A., Makana, J.R., Kanamori, M., Hernandez, A., Piel, A., Stewart, F., Moore, J., Zamma, K., Nakamura, M., Kamenya, S., Idani, G., Sakamaki, T., Yoshikawa, M., Greer, D., Tranquilli, S., Beyers, R., Furuichi, T., Hashimoto, C. & Bennett, E. (2010). Eastern Chimpanzee (Pan troglodytes schweinfurthii): Status Survey and Conservation Action Plan 2010–2020. IUCN, Gland, Switzerland. [Published in English and French] [PDF]

2009

Haslam, M., A. Hernandez-Aguilar, V. Ling, S. Carvalho, I. de la Torre, A. DeStefano, A. Du, B. Hardy, J. Harris, L. Marchant, T. Matsuzawa, W. McGrew, J. Mercader, R. Mora, M. Petraglia, H. Roche, E. Visalberghi & R. Warren. Primate archaeology. Nature 460, 339-344. [PDF]

Hernandez-Aguilar, R. A. Chimpanzee nest distribution and site reuse in a dry habitat: implications for early hominin ranging. J. Hum. Evol. 57: 350-364. [PDF]

2008

Yoshikawa, M., H. Ogawa, T. Sakamaki & G. Idani. Population density of chimpanzees in Tanzania. Pan Africa News 15(2): 17-20. [LINK]

2007

Hernandez-Aguilar, R. A., J. Moore, and T. R. Pickering. Savanna chimpanzees use tools to harvest the underground storage organs of plants. Proceedings of the National Academy of Sciences 104, 19210-19213. 2007 Cozzarelli Prize Winner. [PDF]

Ogawa, H., G. Idani, J. Moore, L. Pintea, and R. A. Hernandez-Aguilar. Sleeping patterns and nest distribution of chimpanzees in the savanna woodland, Ugalla, Tanzania. International Journal of Primatology 28, 1397-1412. [PDF]

Piel, A. K., and J. Moore. Locating elusive animals: Using a passive acoustic system to study savanna chimpanzees at Ugalla, Western Tanzania [abstract]. American Journal of Physical Anthropology. Suppl. 44, 189.

2006

Hernandez-Aguilar, R. A. Ecology and Nesting Patterns of Chimpanzees (Pan troglodytes) in Issa, Ugalla, Western Tanzania [PhD dissertation]. University of Southern California, Los Angeles.

Piel, A. K., L. Pintea, and J. Moore. Several ways to be a savanna chimpanzee. International Journal of Primatology 27 (Supp. 1): Abstract 169.

Hernandez-Aguilar, R. A., J. Moore, F. Stewart, A. K. Piel, H. Ogawa, and L. Pintea. Surveys of Ugalla and Masito. In: Surveys of Chimpanzees and other Biodiversity in Western Tanzania. D. Moyer, A. J. Plumptre, L. Pintea, R. A. Hernandez-Aguilar, J. Moore, F. Stewart, T. R. B. Davenport, A. K. Piel, S. Kamenya, H. Mugabe, N. Mpunga, and M. Mwangoka (eds.). Report submitted to Wildlife Conservation Society, the Jane Goodall Institute and the United States Fish and Wildlife Service, pp., 24-31. [PDF]

Moyer, D., A. J. Plumptre, L. Pintea, R. A. Hernandez-Aguilar, J. Moore, F. Stewart, T. R. B. Davenport, A. K. Piel, S. Kamenya, H. Mugabe, N. Mpunga, and M. Mwangoka (eds.). Surveys of Chimpanzees and other Biodiversity in Western Tanzania. Report submitted to Wildlife Conservation Society, the Jane Goodall Institute and the United States Fish and Wildlife Service, 65pp.

Ogawa, H., J. Moore, S. Kamenya. Chimpanzees in the Ntakata and Kakungu areas, Tanzania. Primate Conserv. 21: 97-101. [PDF]

2004

Gonzalez-Moreno, O., M. Gracenea, R. A. Hernandez-Aguilar, and A. Perez. Una de parásitos: los chimpancés de Ugalla. National Geographic (Spain) 15, 4.

2001

Hernandez-Aguilar, R. A. Ugalla o Reserva del Bosque de Tongwe Este: Reporte de cambios en los últimos tres años. Boletín de la Asociación Primatológica Española 8, 4-6. [PDF]

1999

Schoeninger, M. J., J. Moore, and J. M. Sept. Subsistence strategies of two “savanna” chimpanzee populations: the stable isotope evidence. American Journal of Primatology 49, 297-314. [PDF]

Ogawa, H., G. Idani, M. & Kanamori. Chimpanzee habitat in the savanna woodland, Ugalla, Tanzania. Primate Research 15: 135-146.

1996

Moore, J. Savanna chimpanzees, referential models and the last common ancestor. In: Great Ape Societies. W. C. McGrew, L. F. Marchant, and T. Nishida (eds.): Cambridge University Press, Cambridge, pp., 275-292. [PDF]

1994

Moore, J. Plants of the Tongwe East Forest Reserve (Ugalla), Tanzania. Tropics 3, 333-340. [PDF]

1992

Moore, J.  “Savanna” chimpanzees. In: Topics in Primatology: Human origins. T. Nishida, W. C. McGrew, P. Marler, M. P. Pickford, and F .B. M. de Waal (eds.): University of Tokyo Press, Tokyo, pp., 99-118. [PDF]

1986

Moore, J. Arid country chimpanzees. Anthroquest 36, 8-10.