Titlebook: Bivalve Filter Feeders; in Estuarine and Coa Richard F. Dame Conference proceedings 1993 Springer-Verlag Berlin Heidelberg 1993 Filter Feed

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https://doi.org/10.1007/978-3-662-08327-7ese areas is essential for survival of local people. Everywhere these areas are important for a number of reasons (Groot 1992). For example, they are important as nurseries for fish, function as shipping lanes, provide recreational facilities, feed many birds, act as a place to discharge sewage and

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https://doi.org/10.1007/978-3-662-08327-7ate nature and life history (Nalepa and Schloesser 1993). While these traits are more similar to marine mussels than to freshwater ones, zebra mussels exist in an environment where energy inputs are reduced relative to marine systems (Nixon 1988). An examination of zebra mussel filter feeding within

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Karl Westhoff,P. G. Zimbardo,F. L. Ruch. For instance, the primary production potentiality of a given area depends on the local turbidity and the residence time of the waters in that area. Further, global assessment of the nitrogen flow between the biological compartments and inflows from the ocean or the Charente river as derived by the

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Karl Westhoff,P. G. Zimbardo,F. L. Ruchss are controlled by winds. Periodical absence of wind in Summer can lead to strong anoxia in sediments and bottom waters. Moreover, low inorganic nitrogen and chlorophyll-a levels confer seasonal oligotrophic features to the ecosystem. Nevertheless, a large productive stock of oysters (.) cultivate

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Abweichungen, Pathologie und Irreseinng capacity of the site, and on the other hand, concerning the organic matter accumulation on the bottom and the consecutive risks of pollution (Haven and Morales-Alamo 1966, Bernard 1974, Kautsky and Evans 1987). Thus, an estimation of the biodeposition rate of mussels (.) and oysters (.) was perfo

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