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- Title
Size structure of zooplankton ingested by four commercially important bivalves.
- Authors
EZGETA-BALIĆ, Daria; PEHARDA, Melita; DAVENPORT, John; VIDJAK, Olja; BOBAN, Josip
- Abstract
Some bivalve molluscs are capable of zooplankton ingestion; however that aspect of their ecology is still relatively poorly studied The objective of this investigation was to contribute to the understanding of size structure of zooplankters ingested by four commercially important bivalve species co-occurring in the same area. The study was performed in Mali Ston Bay - the most important bivalve aquaculture area in the eastern Adriatic Sea - from May 2009 to April 2010. We analyzed sizes of zooplankton ingested by cultured blue mussel Mytilus galloprovincialis and European flat oyster Ostrca edulis, and naturally-occurring bearded mussel Modiolus barbatus and Noah s Ark shell Area noae. Ingested zooplankton ranged in maximum linear dimension from 60.1 to 1398.5 fim. Zooplankton found in stomach contents of M. galloprovincialis and O. edulis suspended in the water column showed a wider size range than zooplankton found in stomachs of bottom living M. barbatus and A. noac. Sizes of ingested zooplankton significantly differed between O. edulis and the other three species.
- Subjects
ADRIATIC Sea; ZOOPLANKTON; BIVALVES; AQUACULTURE; OCEAN bottom; MARINE species diversity
- Publication
Acta Adriatica, 2012, Vol 53, Issue 2, p277
- ISSN
0001-5113
- Publication type
Article