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in Who's Where North America? Patterns and the indicator taxa richness of species utility of conservation for H. Eric David M. and Loucks Taylor Ricketts, Dinerstein, Olson, Colby is a dis- able for conservation is almost cer- biology Conservation with a deadline. Suit- one effort cipline tainly impossible. Indeed, The three most practical able habitats for all to an exhaustive biotic nearly accomplish on all continents are in Costa Rica self-destructed species nearly survey choices for indicator taxa altered or at rates almost being destroyed immediately (Kaiser 1997). in human Conservationists have are not the unprecedented history worldwide responded Ehrlich and Wilson to this lack of data with a wide- (Wilson 1988, With limited most informative and search for indicator taxa: rela- 1991, 1994). Myers spread time and and well known of resources, ecologists tively groups organ- accurate when conservation are faced with indicators, isms those with well planners (i.e., relatively difficult decisions and set- understood and taxonomies) making ranges either employed to conserve what habi- whose distributions can be used as a ting priorities tat remains. Conservationists have measure of the distribu- surrogate in or individually numerous criteria to iden- tion of other or of proposed patterns taxa,
BioScience – Oxford University Press
Published: May 1, 1999
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