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- Title
Is the originality of a species measurable?
- Authors
Pavoine, Sandrine; Ollier, Sébastien; Dufour, Anne-Béatrice; Crozier, Ross
- Abstract
In this paper, we introduce the concept of‘originality of a species within a set’ in order to indicate the average rarity of all the features belonging to this species. Using a phylogenetic tree of 70 species of New World terrestrial Carnivora, we suggest measuring the originality by a probability distribution. This maximizes the expected number of features shared by two species randomly drawn from the set. By using this new index, we take account of branch lengths whereas current indices of originality focus on tree topology. As a supplement to Nee and May's optimizing algorithm, we find that originality must be one of the criteria used in conservation planning.
- Subjects
PHYLOGENY; TOPOLOGY; BIODIVERSITY; CONSERVATION biology; PLANT conservation; ENTROPY
- Publication
Ecology Letters, 2005, Vol 8, Issue 6, p579
- ISSN
1461-023X
- Publication type
Article
- DOI
10.1111/j.1461-0248.2005.00752.x