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Article Dans Une Revue Organisms Diversity & Evolution Année : 2009

Inconsistent estimates of diversity between traditional and DNA taxonomy in bdelloid rotifers

Résumé

Microscopic animals offer great potential in the analysis of spatial patterns of diversity, as they may provide different scenarios for biogeography and macroecology, but understanding diversity of microscopic animals is hampered by lack of comprehensive data on species distribution and by unreliable taxonomy. DNA taxonomy may prove useful in obtaining reliable data in the future, but we still do not know to what extent traditional and DNA taxonomy can be comparable for microscopic organisms. In this paper, we compare analyses and estimates of diversity at the level of species assemblage between traditional and DNA taxonomy for a group of moss-dwelling microscopic animals, bdelloid rotifers. The results are straightforward: Traditional species identification underestimates diversity by factors of 2 at the local and 2.5 at the regional scale. We discuss the results in the framework of current hypotheses on the distribution of microscopic animals.

Dates et versions

hal-00412281 , version 1 (01-09-2009)

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Murat Kaya, Elisabeth A. Herniou, Timothy G. Barraclough, Diego Fontaneto. Inconsistent estimates of diversity between traditional and DNA taxonomy in bdelloid rotifers. Organisms Diversity & Evolution, 2009, 9, pp.3-12. ⟨10.1016/j.ode.2008.10.002⟩. ⟨hal-00412281⟩
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