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The uptake of colloidal melanin from seawater by marine bivalves
Tack, J.F.; Polk, P. (1996). The uptake of colloidal melanin from seawater by marine bivalves, in: Dworschak, P.C. et al. (Ed.) Influences of Organisms on their Environment, the Role of Episodic Events: Proceedings of the 29th European Marine Biology Symposium Vienna, 29 August-2 September 1994. Marine Ecology (Berlin), 17(1-3): pp. 543-548
In: Dworschak, P.C.; Stachowitsch, M.; Ott, J.A. (Ed.) (1996). Influences of Organisms on their Environment, the Role of Episodic Events: Proceedings of the 29th European Marine Biology Symposium Vienna, 29 August-2 September 1994. Marine Ecology (Berlin), 17(1-3). Blackwell Science: Berlin. 568 pp., more
In: Marine Ecology (Berlin). Blackwell: Berlin. ISSN 0173-9565, more
Peer reviewed article  

Available in  Authors 
    VLIZ: Proceedings [27761]
Document type: Conference paper

Keywords
    Colloids; Uptake; Bivalvia [WoRMS]; Marine

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Abstract
    A number of coastal organisms (e.g., bivalves) are known as important consumers of particulate organic carbon (POC) in the sea. In this paper we present new evidence that they are also important consumers of 'dissolved' organic carbon (DOC) in the colloidal size range down to about 0.2 µm in diameter. Those colloids play an important role in the global flux of carbon in the seas. We compare the uptake of colloidal DOC by marine bivalves of the North Sea and of the westem Indian Ocean. To measure this uptake we made use of colloidal melanin as an alternative way to measure the uptake of colloidal DOC.

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