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Poster communications

Biofilm on macrophytes: What about Micro-meiofauna?

Abstract : The epiphytic biofilm is composed of many organisms such as micro-algae, fungi, bacteria but also among others protozoa and metazoans belonging to the micro-meiofauna community. Little is known about this community and those living on aquitain's lakes macrophytes are completely unknown. The aim of this study is first to list the main taxa living on Lacanau lake's macrophytes and then to test the influence of macrophyte host on micro-meiofauna community. During one year, we sampled 5 macrophytes species (Chara fragifera, Juncus bulbosus, Lagarosiphon major, Lobelia dortmanna and Phragmites australis) in littoral stations located around the Lacanau's lake and we identified the main taxa of the micro-meiofauna community. We observed that the micro-meiofauna consists of 15 major taxonomic groups and that taxonomic richness and density significantly vary according to macrophyte's host. Whereas individual density was the lowest on L. dortmanna, the species richness was higher on this host compared to J. bulbosus and L. major.
keyword : MEIOFAUNE
Document type :
Poster communications
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Contributor : Migration Irstea Publications <>
Submitted on : Saturday, May 16, 2020 - 4:18:02 PM
Last modification on : Monday, January 11, 2021 - 11:04:03 AM


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  • HAL Id : hal-02608504, version 1
  • IRSTEA : PUB00059901



Jacky Vedrenne, Aurélien Jamoneau. Biofilm on macrophytes: What about Micro-meiofauna?. La chaîne des lacs et étangs du littoral aquitain, Oct 2018, Biscarrosse, France. pp.1, 2018. ⟨hal-02608504⟩



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