Determining sites of high conservation value is an important step towards developing an efficient network of protected natural areas. We applied a recently developed measure of conservation value, termed irreplaceability, to the problem of fish conservation in 2,159 lakes throughout British Columbia. The current (January 1998) protected area network included 292 of these lakes, but these protected lakes contained significantly fewer non-listed populations than would be expected if lakes were randomly selected for reservation; this likely reflects the ad hoc process of reserve selection that has occurred in British Columbia. However, since most lakes had low species richness (2), with few lakes containing many species, the average irreplaceability of lakes was very low (<0.4) under a range of conservation targets. Hence, the addition of a few key lakes to the present network of protected areas would achieve reasonable representation of most indigenous species...
Forsyth, D.M., Sinclair, A.R.E.. 1999. Ranking Potential Conservation Areas by Their 'Irreplaceability': Fish in Lakes in British Columbia, Canada (in Proc. Conference Biology & Management of Species and Habitats at Risk). Ministry of Environment, Lands and Parks; University College of the Cariboo. Proceedings - Conference Biology & Management
Topic: Species and Ecosystems at Risk
Keywords: ranking, conservation, species at risk, sara, threatened, endangered
Other Identifier: University College of the Cariboo
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