Ursus americanus carlottae
El orso negre de Haida Gwaii (Ursus americanus carlottae) és una subespecie de mamífers carnívors de la família Ursidae.
Descripció
[editar | editar còdic]- Cràneu gran.
- Grans molar.
- De color, exclusivament, negre.
Distribució geogràfica
[editar | editar còdic]Es troben en les Illes de la Reina Carlota (Alaska, els Estats Units).[1][2]
Referències
[editar | editar còdic]- ↑ FloridaNature.org (en anglés)
- ↑ S. A. Byun; B. F. Koop; T. I. Reimchen, 1997. "North American Black Bear mtDNA Phylogeography: Implications for Morphology and the Haida Gwaii Glacial Refugium Controversy". Evolution 51 (5): 1647–1653. [1]
Bibliografia
[editar | editar còdic]- Byun, S.A., 1997. North American black bear mtDNA phylogeography: implications for morphology and the Haida Gwaii glacial refugium controversy. Evolution 51(5): 1647 - 1653.
- Chi, D.K. i B.K. Gilbert. 1999. Habitat security for Alaskan black bears at key foraging sites: llaure there thresholds for human disturbance? Ursus 11: 225 – 238.
- Collins, G.H., R.B. Weilgus i G.M. Kuehler. 2002. Effects of sex and age of American black bear on confer damage and control. Ursus 13: 231 - 236.
- Davis, H. i A.S. Harestad. 1996. Cannibalism by black bears in the Nimpkish Valley, British Columbia. Northwest Science 70:88-92.
- Davis, H., 1996. Characteristics and Selection of Winter Dens by Black Bears in Coastal British Columbia. Master's Thesis. Simon Fraser University. Burnaby, la Columbia Britànica.
- Jacoby, M.I., G.V. Hilderbrand, C. Servheen, C.C. Schwartz, S.M. Arthur, T.A. Hanley, C.T. Robbins i R. Michener. 1999. Trophic relations of brown and black bears in several western North American ecosystems. Journal of Wildlife Management 63(3): 921 - 929.
- Kellner, M., 1993. Black Bear Population Estimation Using Remote Cameras. Ministry of Environment, Lands and Parks. Victoria, la Columbia Britànica.
- Ziegltrum, G.J. i D.L. Nolte. 2001. Black bear forest damage in Washington State, USA: economic, ecological, social aspects. Ursus 12: 169 – 172.