Growth potential of blue mussels (M. edulis) exposed to different salinities evaluated by a Dynamic Energy Budget model

Publication: Research - peer-reviewJournal article – Annual report year: 2015

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For bluemussels,Mytilus edulis, onemajor constrain in the Baltic Sea is the low salinities that reduce the efficiency of mussel production. However, the effects of living in low and variable salinity regimes are rarely considered in models describing mussel growth. The aim of the present study was to incorporate the effects of low salinity into an eco-physiological model of blue mussels and to identify areas suitable for mussel production. A Dynamic Energy Budget (DEB) model was modified with respect to i) the morphological parameters (DW/WW-ratio, shape factor), ii) change in ingestion rate and iii) metabolic costs due to osmoregulation in different salinity environments. Themodified DEBmodel was validated with experimental data fromdifferent locations in the Western
Baltic Sea (including the Limfjorden) with salinities varying from 8.5 to 29.9 psu. The identified areas suitable for mussel production in the Baltic Sea are located in the Little Belt area, the Great Belt, the southern Kattegat and the Limfjorden according to the prevailing salinity regimes. The newmodel can be used for supporting site selection of newmussel nutrient extraction cultures in the Baltic Sea that suffers fromhigh eutrophication symptoms or as part of integrated multi-trophic aquaculture production. The model can also be used to predict the effects of salinity changes on mussel populations e.g. in climate change studies
Original languageEnglish
JournalJournal of Marine Systems
Volume148
Pages (from-to)48-55
ISSN0924-7963
DOIs
StatePublished - 2015
CitationsWeb of Science® Times Cited: 13
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