Download Biodiversity Conservation and Phylogenetic Systematics: by Roseli Pellens, Philippe Grandcolas PDF

By Roseli Pellens, Philippe Grandcolas

This booklet is set phylogenetic variety as an method of decrease biodiversity losses during this interval of mass extinction. Chapters within the first part care for questions corresponding to the way in which we price phylogenetic variety between different standards for biodiversity conservation; the alternative of measures; the lack of phylogenetic variety with extinction; the significance of organisms which are deeply branched within the tree of existence, and the position of relict species. the second one part consists via contributions exploring methodological features, comparable to how you can take care of abundance, sampling attempt, or conflicting bushes in research of phylogenetic range. The final part is dedicated to purposes, exhibiting how phylogenetic range should be built-in in systematic conservation making plans, in aspect and HEDGE reviews. This extensive insurance makes the e-book a reference for teachers, coverage makers and stakeholders facing biodiversity conservation.

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Additional info for Biodiversity Conservation and Phylogenetic Systematics: Preserving our evolutionary heritage in an extinction crisis

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Accepting biodiversity as the sum of a large number of individual measures results in an empirically intractable framework. However, large-scale decisions cannot be based on biodiversity variables inferred from local conservation imperatives because the variables relevant to the many systems being compared would be incommensurate with one another. We therefore need some general conception of biodiversity that would make tractable such large-scale environmental decision-marking. We categorise the large array of strategies for the measurement of biodiversity into four broad groups for consideration as general measures of biodiversity.

2001; Petchey and Gaston 2006). We should be wary of unnecessarily restrictive definitions for terms that are conceptual, general, or useful” (pg. 175). He further notes that general morphological trait space can be differentiated without reference to a schematic for differentiating traits. The dizzying range of mathematical measures for dividing morphological space include: distance measures, dendrogram-based measures, variance-based measures including abundances, trait evenness, convex hull mathematics to measure trait volume, and graph theory (See Weiher 2011).

This is partly because genes vary greatly in their effects so that the amount of raw genetic difference between two populations tells you relatively little about the extent to which they differ functionally and ecologically. It is also partly due to the undoubted importance of non-genetic factors in both ecology and evolution (Laland et al. 1999; West-Eberhard 2003; Jablonka and Lamb 2005). Phylogenetics and Phylogenetic Diversity Phylogenetic inference recreates the branching structure of evolutionary relationships between species via cladistic analysis from molecular and morphological data in the form of discrete character states or distance matrices of pairwise The Value of Phylogenetic Diversity 27 dissimilarities (Vandamme 2009).

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