A method for estimating the respiration of mud communities in shallow running water

A field method is described for evaluating the respiration of benthic freshwater communities by measurement of the CO 2 production. The advantages of this method are discussed and the results obtained in the polysaprobic area of an organically polluted brook are presented. The dependence of the resp...

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Bibliographic Details
Published in:Water research (Oxford) 1982, Vol.16 (5), p.593-599
Main Authors: Fontvieille, D., Renaud, M.
Format: Article
Language:English
Subjects:
benthic organisms
Freshwater
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Summary:A field method is described for evaluating the respiration of benthic freshwater communities by measurement of the CO 2 production. The advantages of this method are discussed and the results obtained in the polysaprobic area of an organically polluted brook are presented. The dependence of the respiration on the total organic carbon content of the mud is shown. La méthode mise au point permet la mesure in situ de la respiration des communautés benthiques de masses d'eau peu profondes, par l'évaluation de la quantité de CO 2 émis par unité de surface de sédiment. L'analyse des réactions chimiques mises en jeu dans l'équilibre calco carbonique de l'eau et de la vase permet de définir des contraintes méthodologiques. L'application de cette technique à la zone polysaprobe d'un ruisseau recevant une forte charge organique révèle la liaison de la respiration avec la charge en carbone organique total du sédiment.
ISSN:0043-1354
1879-2448
DOI:10.1016/0043-1354(82)90079-3