Estimating ages of bear claw marks in Southeast Asian tropical forests as an aid to population monitoring

Ursus

Volumn 21, Issue 2, 2010, Pages 143-153

  Steinmetz, Robert ^a   Garshelis, David L ^b  

^a WWF Thailand   (Thailand)

^b MINNESOTA DEPARTMENT OF NATURAL RESOURCES   (United States)

Author keywords

Asiatic black bear; Helarctos malayanus; Kaplan Meier survival analysis; marked trees; population monitoring; sign persistence; sign surveys; sun bear; Thailand; Ursus thibetanus

Indexed keywords

HELARCTOS MALAYANUS; URSUS AMERICANUS; URSUS THIBETANUS;

EID: 78649253134     PISSN: 15376176     EISSN: None     Source Type: Journal    
DOI: 10.2192/09GR028.1     Document Type: Article

References (31)

1. BRODIE, J. F. 2006. An experimentally determined persistence-rate correction factor for scat-based abundance indices. Wildlife Society Bulletin 34:1216-1219.
2. CHINH, N. N., C. T. CHUNG, V. V. CAN, N. X. DUNG, V. V. DUNG, N. K. DAO, T. HOP, T. T. OANH, N. B. QUYNH, AND N. N. THIN. 1996. Vietnam forest trees. Forest Inventory and Planning Institute, Agricultural Publishing House, Hanoi, Vietnam.
3. DUCKWORTH, J. W., R. E. SALTER, AND K. KHOUNBOLINE. 1999. Wildlife in Lao PDR: 1999 status report. IUCN/WCS/Center for protected areas and watershed management, Vientiane, Lao PDR.
4. FREDRIKSSON, G. M., S. A. WICH, AND TRISNO. 2006. Frugivory in sun bears (Helarctos malayanus) is linked to El Nino-related fluctuations in fruiting phenology, East Kalimantan, Indonesia. Biological Journal of the Linnean Society 89:489-508.
5. GARDNER, S., P. SIDISUNTHORN, AND V. ANUSARNSUNTHORN. 2000. A field guide to forest trees of northern Thailand. Kobfai Publishing Project, Bangkok, Thailand.
6. GARSHELIS, D. L., K. V. NOYCE, AND P. L. COY. 1998. Calculating average age of first reproduction free of the biases prevalent in bear studies. Ursus 10:437-447.
7. HWANG, M-H., D. L. GARSHELIS, AND Y. WANG. 2002. Diets of Asiatic black bears in Taiwan, with methodological and geographic comparisons. Ursus 13:111-125.
8. KANZAKI, M., K. YODA, AND P. DHANMANONDA. 1995. Mosaic structure and tree growth pattern in a monodominant tropical seasonal evergreen forest in Thailand. Pages 25-41 in E. O. Box, R. K. Peet, T. Masuzawa, I. Yamada, and K. Fugiwara, editors. Vegetation science in forestry. Kluwer Academic Publishers, Dordrecht, Netherlands.
9. KARAMANLIDIS, A. A., Y. DIONISIOS, S. SGARDELIS, AND Z. SCOURAS. 2007. Using sign at power poles to document presence of bears in Greece. Ursus 18:54-61.
10. KOUAKOU, C. Y., C. BOESCH, AND H. KUEHL. 2009. Estimating chimpanzee population size with nest counts: Validating methods in Taï National Park. American Journal of Primatology 71:1-11.
11. KREBS, C. J. 1999. Ecological methodology. Second edition. Addison Wesley Longman, Menlo Park, California, USA.
12. LEKAGUL, B., AND J. A. MCNEELY. 1988. Mammals of Thailand. Second edition. Association for the Conservation of Wildlife, Bangkok, Thailand.
13. MARTIN, T. E., AND G. R. GUEPEL. 1993. Nest monitoring plots: Methods for locating nests and monitoring success. Journal of Field Ornithology 64:507-519.
14. NG'ANDU, N. H. 1997. An empirical comparison of statistical tests for assessing the proportional hazards assumption of Cox's model. Statistics in Medicine 16:611-626.
15. PLUMPTRE, A. J., AND V. REYNOLDS. 1996. Censusing chimpanzees in the Ubongo forest, Uganda. International Journal of Primatology 17:85-99.
16. POLLOCK, K. H., S. R. WINTERSTEIN, C. M. BUNCK, AND P. D. CURTIS. 1989. Survival analysis in telemetry studies: The staggered entry design. Journal of Wildlife Management 53:7-15.
17. PRUGH, L. R., AND C. J. KREBS. 2004. Snowshoe hare pelletdecay rates and aging in different habitats. Wildlife Society Bulletin 32:386-393.
18. QUINN, G. P., AND M. J. KEOUGH. 2002. Experimental design and analysis for biologists. Cambridge University Press, Cambridge, UK.
19. REID, D., M. D. JIANG, Q. T. TENG, Z. S. QIN, AND J. C. HU. 1991. Ecology of the Asiatic black bear (Ursus thibetanus) in Sichuan, China. Mammalia 55:221-237.
20. RIGGS, M. R., AND K. H. POLLOCK. 1992. A risk ratio approach to multivariate analysis of survival in longitudinal studies of wildlife populations. Pages 74-89 in D. R. McCullough and R. H. Barrett, editors. Wildlife 2001: Populations. Elsevier Applied Science, London, UK.
21. SAHUNALU, P., AND P. DHANMANONDA. 1995. Structure and dynamics of dry dipterocarp forest, Sakaerat, northeastern Thailand. Pages 465-494 in R. Tuxes and H. Lieth, editors. Handbook of vegetation science. Kluwer Academic Publishers, Dordrecht, Netherlands.
22. SANCHEZ, D. M., P. R. KRAUSMAN, T. R. LIVINGSTON, AND P. S. GIPSON. 2004. Persistence of carnivore scat in the Sonoran Desert. Wildlife Society Bulletin 32:366-372.
23. SCHALLER, G. B., Q. T. TENG, K. G. JOHNSON, X. M. WANG, H. M. SHEN, AND J. C. HU. 1989. The feeding ecology of giant pandas and Asiatic black bears in the Tangjiahe reserve, China. Pages 212-241 in J. L. Gittleman, editor. Carnivore behavior, ecology and evolution. Volume 1. Cornell University Press, Ithaca, New York, USA.
24. STEINMETZ, R., T. STONES, AND T. CHAN-ARD. 1999. An ecological survey of habitats, wildlife, and people in Xe Sap National Biodiversity Conservation Area, Saravan Province, Lao PDR. World Wide Fund for Nature-Thailand Program, Bangkok, Thailand.
25. -, AND D. L. GARSHELIS. 2008. Distinguishing Asiatic black bears and sun bears by claw marks on climbed trees. Journal of Wildlife Management 72:814-821.
26. -. 2009. Ecological overlap of sympatric Asiatic black bears (Ursus thibetanus) and sun bears (Helarctos malayanus) in seasonal tropical forest, Thailand. Dissertation, University of Minnesota, St. Paul, Minnesota, USA.
27. TAKAHASHI, K., T. SHIOTA, H. TAMATANI, M. KOYAMA, AND I. WASHITANI. 2008. Seasonal variation in fleshy fruit use and seed dispersal by the Japanese black bear (Ursus thibetanus japonicus). Ecological Research 23:471-478.
28. THAI DEPARTMENT OF METEOROLOGY. 2005. Weather. Bangkok, Thailand. 2005. http://www.tmd.go.th/en/, accessed 15 August 2005.
29. TURNER, I. M. 2001. The ecology of trees in the tropical rain forest. Cambridge University Press, Cambridge, UK.
30. WEMMER, C., T. H. KUNZ, G. LUNDIE-JENKINS, AND W. J. MCSHEA. 1996. Mammalian sign. Pages 157-176 in D. E. Wilson, F. R. Cole, J. D. Nichols, R. Rudran, and M. S. Foster, editors. Measuring and monitoring biological diversity, standard methods for mammals. Smithsonian Institution Press, Washington, DC, USA.
31. WONG, S. T., C. W. SERVHEEN, AND L. AMBU. 2002. Food habits of Malayan sun bears in lowland tropical forests of Borneo. Ursus 13:127-136.