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Jet-suspended, calcite-ballasted cyanobacterial waterwarts in a desert spring

Citation

Garcia-Pichel, Ferran, Wade, Brian D, and Farmer, Jack D, Jet-suspended, calcite-ballasted cyanobacterial waterwarts in a desert spring: .

Summary

We describe a population of colonial cyanobacteria (waterwarts) that develops as the dominant primary producer in a bottom-fed, O2-poor, warm spring in the Cuatro Ci�negas karstic region of the Mexican Chihuahuan Desert. The centimeter-sized waterwarts were suspended within a central, conically shaped, 6-m deep well by upwelling waters. Waterwarts were built by an Aphanothece-like unicellular cyanobacterium and supported a community of epiphytic filamentous cyanobacteria and diatoms but were free of heterotrophic bacteria inside. Sequence analysis of 16S rRNA genes revealed that this cyanobacterium is only distantly related to several strains of other unicellular cyanobacteria (Merismopedia, Cyanothece, Microcystis). Waterwarts contained [...]

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  • Upper Colorado River Basin

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From Source - Mendeley RIS Export <br> On - Wed Sep 19 08:08:31 MDT 2012

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Title Citation Jet-suspended, calcite-ballasted cyanobacterial waterwarts in a desert spring

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