Molecular markers and the species concept: New techniques to resolve old disputes?

Molecular markers and the species concept: New techniques to resolve old disputes? related species, which completely neglect within- distances are not always a good guide for species species population differentiation and are content with classification, they do reflect the young age of these one or a few specimens of each species. Nevertheless, species flocks. It would thus be difficult to compare more than other methods, molecular markers have the biodiversity of 300 closely related cichlid species shown that there is often little discontinuity between from Lake Victoria with that of 300 divergent species genetic population differentiation and species diver- in a rainforest area, and to set conservation prior- gence (Avise, 1994), implying that sometimes species ities accordingly. The current trend to use evolutionary may be artificial units. Thus molecular markers may significant units (ESUs) for conservation purposes in well have helped to pinpoint the futility of species North America (Waples, 1995) reflects an appreciation concept discussions, which, after more than two of such concerns at the intraspecific level. centuries, have failed to result in a consensus and are unlikely todosoin the near future. The molecular genetic approach: What is it that we measure? Species as units of biodiversity classification and conservation In common with many areas of contemporary biology, developments in http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Reviews in Fish Biology and Fisheries Springer Journals

Molecular markers and the species concept: New techniques to resolve old disputes?

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Publisher
Kluwer Academic Publishers
Copyright
Copyright © 1999 by Kluwer Academic Publishers
Subject
Life Sciences; Freshwater & Marine Ecology; Zoology
ISSN
0960-3166
eISSN
1573-5184
D.O.I.
10.1023/A:1008967532146
Publisher site
See Article on Publisher Site

Abstract

related species, which completely neglect within- distances are not always a good guide for species species population differentiation and are content with classification, they do reflect the young age of these one or a few specimens of each species. Nevertheless, species flocks. It would thus be difficult to compare more than other methods, molecular markers have the biodiversity of 300 closely related cichlid species shown that there is often little discontinuity between from Lake Victoria with that of 300 divergent species genetic population differentiation and species diver- in a rainforest area, and to set conservation prior- gence (Avise, 1994), implying that sometimes species ities accordingly. The current trend to use evolutionary may be artificial units. Thus molecular markers may significant units (ESUs) for conservation purposes in well have helped to pinpoint the futility of species North America (Waples, 1995) reflects an appreciation concept discussions, which, after more than two of such concerns at the intraspecific level. centuries, have failed to result in a consensus and are unlikely todosoin the near future. The molecular genetic approach: What is it that we measure? Species as units of biodiversity classification and conservation In common with many areas of contemporary biology, developments in

Journal

Reviews in Fish Biology and FisheriesSpringer Journals

Published: Oct 15, 2004

References

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