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Colonisation d'un sable azoïque exogène par la méiofaune = Colonization of an exogenous azoic sand by meiofauna
Le Guellec, C. (1988). Colonisation d'un sable azoïque exogène par la méiofaune = Colonization of an exogenous azoic sand by meiofauna. Cah. Biol. Mar. 29(4): 469-481
In: Cahiers de Biologie Marine. Station Biologique de Roscoff: Paris. ISSN 0007-9723, more
Peer reviewed article  

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Keyword
    Marine

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  • Le Guellec, C.

Abstract
    Colonization of an azoic sand by meiobenthic organisms was monitored from October 1985 to February 1986 on a sandy beach of North Brittany (France). This exogenous sand, whose median grain size was 270 mu m, became azoic after washing with cleaning products and hot water. Then, it was spread on an experimental area, in the intertidal zone of Kerurus beach, the median grain size of which was only 145 mu m. This difference between sedimentary characteristics of these two sands (control and experimental site) explained why qualitative compositions of the two harpacticoid copepod communities were not similar. So, when species present on the beach were in majority epi- or endopsammic forms (86%), it was mainly mesopsammic species which settled on the azoic sand (85.5%). In addition to the grain size, other parameters can be involved in colonization mechanisms, such as food resources, species mobility, etc.

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