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Contrasting seasonal niche separation between rare and abundant taxa conceals the extent of protist diversity
Article first published online: 1 JUL 2010
© 2010 Blackwell Publishing Ltd
Volume 19, Issue 14, pages 2908–2915, July 2010
How to Cite
NOLTE, V., PANDEY, R. V., JOST, S., MEDINGER, R., OTTENWÄLDER, B., BOENIGK, J. and SCHLÖTTERER, C. (2010), Contrasting seasonal niche separation between rare and abundant taxa conceals the extent of protist diversity. Molecular Ecology, 19: 2908–2915. doi: 10.1111/j.1365-294X.2010.04669.x
- Issue published online: 12 JUL 2010
- Article first published online: 1 JUL 2010
- Received 14 September 2009; revision received 1 February 2010; accepted 12 February 2010
- 2nd generation sequencing;
- 454 protist diversity;
- species turnover;
- temporal sampling
With the advent of molecular methods, it became clear that microbial biodiversity had been vastly underestimated. Since then, species abundance patterns were determined for several environments, but temporal changes in species composition were not studied to the same level of resolution. Using massively parallel sequencing on the 454 GS FLX platform we identified a highly dynamic turnover of the seasonal abundance of protists in the Austrian lake Fuschlsee. We show that seasonal abundance patterns of protists closely match their biogeographic distribution. The stable predominance of few highly abundant taxa, which previously led to the suggestion of a low global protist species richness, is contrasted by a highly dynamic turnover of rare species. We suggest that differential seasonality of rare and abundant protist taxa explains the—so far—conflicting evidence in the ‘everything is everywhere’ dispute. Consequently temporal sampling is basic for adequate diversity and species richness estimates.