DISTRIBUTION AND THE ROLE OF MYTILUS EDULIS (LINNE) IN THE COASTAL ZONE OF THE POMERANIAN BAY

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ZBIGNIEW PIESIK BRYGIDA WAWRZYNIAK-WYDR0WSKA

Abstract

Distribution of Mytilus edulis in the 4-nautical mile-wide coastal zone of the Pomeranian Bay was studied in 1992 and 1993. The study revealed uneven settling of the bottom by Mytilus edulis with densities ranging from 0 to 17 488 ind./m2. The frequency (F) of the blue mussel occurrence was about 60%. The average density of Mytilus (1 578 ind./m2) and the (wet weight) biomass (264.8 g/m2) suggest that it is the dominant form of macrozoobenthos and plays a major role in the process of biofiltration, biosedimentation and bioaccumulation of nutrients. The growing biomass of M. edulis in the bay caused by the process of eutrophication serves as a convenient food resource for benthophagous fishes, mainly for the flounder, viviparous eelpout and roach (Krzykawski and Zalachowski 1983, Witek 1995).

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How to Cite
PIESIK, ZBIGNIEW; WAWRZYNIAK-WYDR0WSKA, BRYGIDA. DISTRIBUTION AND THE ROLE OF MYTILUS EDULIS (LINNE) IN THE COASTAL ZONE OF THE POMERANIAN BAY. Baltic Coastal Zone, [S.l.], v. 1, p. 46-53, jan. 2017. ISSN 1643-0115. Available at: <https://bcz.apsl.edu.pl/index.php/1/article/view/9>. Date accessed: 28 nov. 2021.
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