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Threatened and endangered species geography: characteristics of hot spots in the conterminous United StatesAuthor(s): Curtis H. Flather; Michael S. Knowles; Iris A. Kendall
Source: BioScience. 48(5): 365-376
Publication Series: Scientific Journal (JRNL)
Station: Rocky Mountain Research Station
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DescriptionAn estimated global extinction rate that appears to be unprecedented in geological time (May 1990) has heightened concern for the increasing number of rare species. Moreover, this elevated extinction rate is being attributed to the activities of humans rather than to some calamitous natural disaster (Pimm et al. 1995). Conservation efforts to slow biodiversity loss have traditionally focused on species with few remaining individuals, based on the assumption that they are the most vulnerable to extinction (Sisk et al. 1994). Consequently, rarity has been used as an important criterion for identifying which species should be the focus of conservation efforts.
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CitationFlather, Curtis H.; Knowles, Michael S.; Kendall, Iris A. 1998. Threatened and endangered species geography: characteristics of hot spots in the conterminous United States. BioScience. 48(5): 365-376
Keywordsthreatened species, endangered species, extinction, geography, conservation, USA
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