THE CONDITION INDEX OF MUSSELS (Mytilus galloprovincialis) IN BUDAVA AND RAŠA BAY
2009
Nives Marušić | Sanja Vidaček | Helga Medić | Tomislav Petrak
Condition index is a factor that can show of some area for shellfish cultivation. Analysis of the condition index from various sites may show importance of these sites for cultivation and shellfish during the year. By monitoring the condition index it is possible to determine dynamic of meat amount change in time. Condition index depends on mussel spawning period, presence of food and changes of environmental factors (temperature, salinity, concentration of dissolved oxygen). The research of condition index was monitored in Budava and Ra{a Bay at depth of 0.5 and 2.5 m. In summer months (July and August) when the sea water temperature and salinity were in optimum, the mussel condition index had maximum value. Value of the condition index is proportional with sea temperature and salinity. The condition index of mussels significantly changed over the year period, at different sites (Budava and Raška Bay) and at different depth (0.5 and 2.5 m).
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