Range fragmentation in the spectacled bear Tremarctos ornatus in the northern Andes

ORYX

Volumn 38, Issue 2, 2004, Pages 155-163

  Kattan, Gustavo ^a   Hernández, Olga Lucía ^b   Goldstein, Isaac ^c   Rojas, Vladimir ^a   Murillo, Oscar ^d   Gómez, Carolina ^a   Restrepo, Héctor ^e   Cuesta, Francisco ^f  

^a WILDLIFE CONSERVATION SOCIETY   (Colombia)

^b World Wildlife Fund Colombia   (Colombia)

^c Wildlife Conservation Society   (Venezuela)

^d UNIVERSIDAD DEL VALLE   (Colombia)

^e Unidad de Parques Nacionales Seccional Noroccidental   (Colombia)

^f EcoCiencia   (Ecuador)

Author keywords

Density; Habitat availability; Habitat fragmentation; Northern Andes; Spectacled bear; Tremarctos ornatus

Indexed keywords

BEAR; CONSERVATION STATUS; HABITAT AVAILABILITY; HABITAT FRAGMENTATION; ISOLATED POPULATION; RANGE SIZE;

ANDES; SOUTH AMERICA;

TREMARCTOS ORNATUS;

EID: 31144452776     PISSN: 00306053     EISSN: 13653008     Source Type: Journal    
DOI: 10.1017/S0030605304000298     Document Type: Article

References (23)

1. Duellman, W.E. (1999) Distribution patterns of amphibians in South America. In Patterns of Distribution of Amphibians. A Global Perspective (ed. W.E. Duellman), pp. 255-328. Johns Hopkins University Press, Baltimore, USA.
2. Ferreras, P., Gaona, P., Palomares, F. & Delibes, M. (2001) Restore habitat or reduce mortality? Implications from a population viability analysis of the Iberian lynx. Animal Conservation, 4, 265-274.
3. Garshelis, D.L., Joshi, A.R., Smith, J.L.D. & Rice, C.G. (1999) Sloth bear conservation action plan (Helarctos malayanus). In Bears. Status Survey and Conservation Action Plan (eds C. Servheen, S. Herrero & B. Peyton), pp. 225-240. IUCN/SSC Bear and Polar Bear Specialist Groups, IUCN, Gland, Switzerland.
4. Goldstein, I. (1991) Spectacled bear predation and feeding behavior on livestock in Venezuela. Studies on Neotropical Fauna and Environment, 26, 231-235.
5. Goldstein, I. & Salas, L. (1993) Patrón de explotación de Puya sp. (Bromeliaceae) por Tremarctos ornatus (Ursidae) en el páramo El Tambor, Venezuela. Ecotropicos, 6, 1-9.
6. Kattan, G.H. (2000) Appendix A: Ecoregional patterns of diversity in the northern Andes. In Biodiversity Vision for Use Northern Andes Ecoregional Complex. Http://www.wwf.org.co/andes/paginas/que-es-el-cean.php [accessed 5 December 2003].
7. Kattan, G.H. & Alvarez-López, H. (1996) Preservation and management of biodiversity in fragmented landscapes in the Colombian Andes. In Forest Patches in Tropical Landscapes (eds J. Schelhas & R. Greenberg), pp. 3-18. Island Press, Washington, DC, USA.
8. Kattan, G.H. & Murcia, C. (2003) A review and synthesis of conceptual frameworks for the study of forest fragmentation. In How Landscapes Change: Human Disturbance and Ecosystem Fragmentation in the Americas (eds G.A. Bradshaw & P.A. Marquet), pp. 183-200. Springer-Verlag, Heidelberg, Germany.
9. Mace, R.D. & Waller, J.S. (1998) Demography and population trend of grizzly bears in the Swan Mountains, Montana. Conservation Biology, 12, 1005-1016.
10. Pelton, M.R., Coley, A.B., Eason, T.S., Martinez, D.L.D., Pederson, J.A., van Manem, F.T. & Weaver, K.M. (1999) American black bear conservation action plan (Ursus americanus). In Bears. Status Survey and Conservation Action Plan (eds C. Servheen, S. Herrero & B. Peyton), pp. 144-156. IUCN/SSC Bear and Polar Bear Specialist Groups, IUCN, Gland, Switzerland.
11. Peyton, B. (1980) Ecology, distribution, and food habits of spectacled bears, Tremarctos ornatus, in Peru. Journal of Mammalogy, 61, 639-652.
12. Peyton, B. (1986) A method for determining habitat components of the spectacled bear (Tremarctos ornatus). Vida Silvestre Neotropical, 1, 68-78.
13. Peyton, B. (1999) Spectacled bear conservation action plan (Tremarctos ornatus). In Bears. Status Survey and Conservation Action Plan (eds C. Servheen, S. Herrero & B. Peyton), pp. 157-164. IUCN/SSC Bear and Polar Bear Specialist Groups, IUCN, Gland, Switzerland.
14. Peyton, B., Yerena, E., Rumiz, D.I., Jorgenson, J. & Orejuela, J.E. (1998) Status of wild Andean bears and policies for their management. Ursus, 10, 87-100.
15. Powell, R.A., Zimmerman, J.W., Seaman, D.E. & Gilliam, J. F. (1996) Demographic analyses of a hunted black bear population with access to a refuge. Conservation Biology, 10, 224-234.
16. Rodríguez, D. (1991) Evaluación y uso del habitat natural del osa andino Tremarctos ornatus (F. Cuvier, 1825) y un diagnóstico del estado actual de la subpoblación del Parque Nacional Natural Las Orquídeas. BSc thesis, Universidad Nacional de Colombia, Colombia.
17. Rodríguez, D., Poveda, J., Rivera, D., Sānchez, J., Jaimes, V. & Lozada, R. (1986) Reconocimiento preliminar del hábitat natural del oso andino Tremarctos ornatus (F. Cuvier, 1825) y un diagnóstico del estado actual de la subpoblación del Parque Nacional Natural El Cocuy. Boletín Divulgativo Manaba No. 1. Universidad Nacional, Bogotá, Colombia.
18. Sanderson, E.W., Redford, K.H., Vedder, A., Coppolillo, P.B. & Ward, S.E. (2002) A conceptual model for conservation planning based on landscape species requirements. Landscape and Urban Planning, 58, 41-56.
19. Sandoval, S. (2000) Dieta y uso del habitat par parte del oso andino en la Reserva Natural La Planada, Nariño. BSc thesis, Pontificia Universidad Javeriana, Colombia.
20. Suárez, L. (1988) Seasonal distribution and food habits of spectacled bears Tremarctos ornatus in the highlands of Ecuador. Studies on Neotropical Fauna and Environment, 23, 133-136.
21. Woodroffe, R. & Ginsberg, J.R. (1998) Edge effects and the extinction of populations inside protected areas. Science, 280, 2126-2128.
22. WWF (2000) Biodiversity Vision for the Northern Andes Ecoregional Complex. Http://www.wwf.org.co/andes/ paginas/que-es-el-cean.php [accessed 5 December 2003].
23. Yerena, E. (1994) Corredores ecológicos en los Andes de Venezuela. Parques Nacionales y Conservación Ambiental, Caracas, Venezuela.