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Ubiquitous dispersal of microbial species

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  • Bland J. Finlay

    (Institute of Freshwater Ecology, Windermere Laboratory)

  • Ken J. Clarke

    (Institute of Freshwater Ecology, Windermere Laboratory)

Abstract

The biosphere supports astronomical numbers of free-living microorganisms that belong to an indeterminate number of species. One view1,2,3 is that the abundance of microorganisms drives their dispersal, making them ubiquitous and resulting in a moderate global richness of species. But ubiquity is hard to demonstrate, not only because active species have a rapid turnover, but also because most species in a habitat at any moment in time are relatively rare or in some cryptic state4. Here we use microbes that leave traces of their recent population growth in the form of siliceous scale structures to show that all species in the chrysomonad flagellate genus Paraphysomonas are probably ubiquitous.

Suggested Citation

  • Bland J. Finlay & Ken J. Clarke, 1999. "Ubiquitous dispersal of microbial species," Nature, Nature, vol. 400(6747), pages 828-828, August.
    • Handle: RePEc:nat:nature:v:400:y:1999:i:6747:d:10.1038_23616
    DOI: 10.1038/23616
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