Do fish communities function as biotic vectors of organic matter between salt marshes and marine coastal watersReport as inadecuate




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1 ECOBIO - Ecosystèmes, biodiversité, évolution Rennes

Abstract : The contribution of fish communities to organic matter OM fluxes, especially between salt marshes and adjacent marine coastal waters are reviewed. For this a data set fromthe bay ofMont Saint-Michel and literature is examined and discussed. In a range of macro-tidal coasts of Europe, salt marshes are only flooded at spring tides for a short time. Many animals, including fish, then invade the salt marshes through tidal creeks. They forage there for up to a few hours and swim back to sea at ebb. Meanwhile, organic matter is exported as gut content. In the 4000 ha of salt marshes of the bay of Mont Saint-Michel mullets were responsible for the export of about 8 kg of dry weight OM ha

Keywords : Outwelling Salt marshes Organic matter Transfer Fish Vector





Author: Jean-Claude Lefeuvre - Pascal Laffaille - Eric Feunteun -

Source: https://hal.archives-ouvertes.fr/



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