A proposal for fuzzy International Union for the Conservation of Nature (IUCN) categories and criteria

A proposal for fuzzy International Union for the Conservation of Nature (IUCN) categories and... The classification of endangered species uses categories “extinct in the wild”, “endangered” and so on that are intrinsically vague. This vagueness presents various problems for those trying to classify species. The usual way of dealing with this vagueness is to eliminate it by providing precise definitions of the categories in question. In this paper we propose a fuzzy set-theoretic alternative that respects the inherent vagueness of the crucial categories without compromising the utility of the classification scheme. Moreover, we argue that it leads to intuitively more appropriate classifications in many cases. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Biological Conservation Elsevier

A proposal for fuzzy International Union for the Conservation of Nature (IUCN) categories and criteria

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Publisher
Elsevier
Copyright
Copyright © 1999 Elsevier Science Ltd
ISSN
0006-3207
D.O.I.
10.1016/S0006-3207(99)00060-9
Publisher site
See Article on Publisher Site

Abstract

The classification of endangered species uses categories “extinct in the wild”, “endangered” and so on that are intrinsically vague. This vagueness presents various problems for those trying to classify species. The usual way of dealing with this vagueness is to eliminate it by providing precise definitions of the categories in question. In this paper we propose a fuzzy set-theoretic alternative that respects the inherent vagueness of the crucial categories without compromising the utility of the classification scheme. Moreover, we argue that it leads to intuitively more appropriate classifications in many cases.

Journal

Biological ConservationElsevier

Published: Jan 1, 2000

References

  • Inferring threat from scientific collections
    Burgman, M.A.; Grimson, R.C.; Ferson, S.
  • Clustering in sparse data and an analysis of Rhabdomyosarcoma incidence
    Grimson, R.C.; Aldrich, T.E.; Drane, J.W.
  • From heaps and gaps to heaps of gluts
    Hyde, D.
  • Assessing threats and setting priorities for conservation
    Master, L.L.
  • Identifying declining and threatened species with museum data
    McCarthy, M.A.

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