Benjamini, Y. & Hochberg, Y. (1995) Controlling the false discovery rate: a practical and powerful approach to multiple testing. Journal of the Royal Statistical Society, Series B, 57, 289–300.
Buckland, S.T., Anderson, D.R., Burnham, K.P., Laake, J.L., Borchers, D.L. & Thomas, L. (2001) Introduction to Distance Sampling: Estimating Abundance of Biological Populations. Oxford University Press, New York, USA.
Bynum, D.Z., Kohlhaas, A.K. & Pramono, A.H. (1999) Conservation status of Sulawesi macaques. Tropical Biodiversity, 6, 123–144.
Chapman, C.A., Chapman, L.J., Wrangham, R., Hunt, K., Gebo, D. & Gardner, L. (1992) Estimators of fruit abundance of tropical trees. Biotropica, 24, 527–531.
Chapman, C.A. & Peres, C.A. (2001) Primate conservation in the new millennium: the role of scientists. Evolutionary Anthropology, 10, 16–33.
Cochrane, M.A. & Schulze, M.D. (1998) Forest fires in the Brazilian Amazon. Conservation Biology, 12, 948–950.
Cowlishaw, G. & Dunbar, R. (2000) Primate Conservation Biology. The University of Chicago Press, Chicago, USA.
Felton, A.M., Engström, L.M., Felton, A. & Knott, C.D. (2003) Orang-utan population density, forest structure and fruit availability in hand-logged and unlogged peat swamp forests in West Kalimantan, Indonesia. Biological Conservation, 114, 91–101.
Fooden, J. (1969) Taxonomy and Evolution of the Monkeys of Celebes. Karger, Basel, Switzerland.
Gadsby, E.L. (1990) The status and distribution of the drill, Madrillus leucophaeus, in Nigeria. A report focusing on hunters and hunting and their threat to remaining populations of drills and other forest primates in southeast Nigeria. Unpublished report to WCI, WWF-US, and the Nigerian government.
Grow, N., Gursky-Doyen, S. & Supriatna, J. (2010) Introduction. In Indonesian Primates (eds Gursky-Doyen, S. & Supriatna, J.), pp. 1–6. Springer, New York, USA.
Hill, K., Padwe, J., Bejyvagi, C., Bepurangi, A., Jakugi, F., Tykuarangi, R. & Tykuarangi, T. (1997) Impact of hunting on large vertebrates in the Mbaracayu Reserve, Paraguay. Conservation Biology, 11, 1339–1353.
IUCN (1991) Atlas of Tropical Rainforest. IUCN, Gland, Switzerland.
Kinnaird, M.F. & O’Brien, T.G. (1996) Ecotourism in the Tangkoko DuaSudara Nature Reserve: opening Pandora’s box? Oryx, 30, 65–73.
Kinnaird, M.F. & O’Brien, T.G. (1998) Ecological effects of wildfire on lowland rainforest in Sumatra. Conservation Biology, 12, 954–956.
Kinnaird, M.F. & O’Brien, T.G. (2005) Fast foods of the forest: the influence of figs on primates and hornbills across Wallace’s line. In Tropical Fruits and Frugivores (eds Dew, J.L. & Boubli, J.P.), pp 155–186. Springer, Dordrecht, The Netherlands.
Lee, R.J. (1997) The impact of hunting and habitat disturbance on the population dynamics and behavioural ecology of the crested black macaque (Macaca nigra). , University of Oregon, Oregon, USA.
Leighton, M. & Leighton, D.R. (1982) The relationship of size and feeding aggregate to size of food patch: howler monkey Alouatta palliate feeding in Trichilia cipo trees on Barro Colorado Island. Biotropica, 14, 81–90.
MacKinnon, J. & MacKinnon, K. (1980) Cagar Alam Gunung Tangkoko-DuaSudara, Sulawesi Utara Management Plan 1981-1986. Bogor, Indonesia.
Marsh, C.W., Johns, A.D. & Ayres, J.M. (1987) Effects of habitat disturbance on rain forest primates. In Primate Conservation in the Tropical Rain Forest (eds Marsh, C.W. & Mittermeier, R.A.), pp 83–107. Alan R. Liss, New York, USA.
Melfi, V. (2010) Selamatkan Yaki! conservation of Sulawesi crested black macaques, Macaca nigra. In Indonesian Primates (eds Gursky-Doyen, S. & Supriatna, J.), pp 343–356. Springer, New York, USA.
Nepstad, D., Moreira, A., Veríssimo, A., Lefebvre, P., Schlesinger, P., Potter, C. et al. . (1998) Forest fire prediction and prevention in the Brazilian Amazon. Conservation Biology, 12, 951–953.
Neumann, C., Assahad, G., Hammerschmidt, K., Farajallah, D.P. & Engelhardt, A. (2010) Loud calls in male Macaca nigra - a signal of dominance in a tolerant primate species. Animal Behaviour, 79, 187–193.
Noss, R.F. & Csuti, B. (1994) Habitat fragmentation. In Principles of Conservation Biology (eds Meffe, G.K. & Carroll, C.R.), pp. 237–264. Sinauer Associates, Sunderland, USA.
O’Brien, T.G. & Kinnaird, M.F. (1996) Changing populations of birds and mammals in North Sulawesi. Oryx, 30, 150–156.
O’Brien, T.G. & Kinnaird, M.F. (1997) Behavior, diet and movements of the Sulawesi crested black macaque (Macaca nigra). International Journal of Primatology, 18, 321–351.
O’Brien, T.G. & Kinnaird, M.F. (2000) Differential vulnerability of large birds and mammals to hunting in North Sulawesi, Indonesia, and the outlook for the future. In Hunting for Sustainability in Tropical Forests (eds Robinson, J.G. & Bennett, E.L.), pp. 199–213. Columbia University Press, New York, USA.
Onderdonk, D.A. & Chapman, C.A. (2000) Coping with forest fragmentation: the primates of Kibale National Park, Uganda. International Journal of Primatology, 21, 587–611.
Pedersen, U.B. & Topp-Jørgensen, J.E. (2000) The impact of hunting on three primate species in Udzungwa Mountains, Tanzania. , University of Copenhagen, Copenhagen, Denmark.
Peres, C.A. (1990) Effects of hunting on western Amazonian primate communities. Biological Conservation, 54, 47–59.
Peres, C.A. (1999) General guidelines for standardizing line-transect surveys of tropical forest primates. Neotropical Primates, 7, 11–16.
Rosenbaum, B., O’Brien, T., Kinnaird, M. & Supriatna, J. (1998) Population densities of Sulawesi crested black macaques (Macaca nigra) on Bacan and Sulawesi, Indonesia: effects of habitat disturbance and hunting. American Journal of Primatology, 44, 89–106.
Rovero, F. & Struhsaker, T. (2007) Vegetative predictors of primate abundance: utility and limitations of a fine-scale analysis. American Journal of Primatology, 69, 1242–1256.
Rowe, N. (1996) The Pictorial Guide to the Living Primates. Pogonia Press, East Hampton, USA.
Sugardjito, J., Southwick, C.H., Supriatna, J., Kohlhaas, A., Baker, A., Erwin, J. et al. . (1989) Population survey of macaques in northern Sulawesi. American Journal of Primatology, 18, 258–301.
Supriatna, J., & Andayani, N. (2008) Macaca nigra. In IUCN Red List of Threatened Species. Http://www.iucnredlist.org [accessed 18 June 2010]. Thomas, L., Buckland, S.T., Rexstad, E.A., Laake, J.L., Strindberg, S., Hedley, S.L., et al. . (2010) Distance software: design and analysis of distance sampling surveys for estimating population size. Journal of Applied Ecology, 47, 5–14.
Watanabe, K. (1981) Variations in group composition and population density of the two sympatric Mentawaian leaf-monkeys. Primates, 22, 145–160.
Whitten, A., Mustafa, M. & Henderson, G. (1987) The Ecology of Sulawesi. Oxford University Press, Oxford, UK.