A study by Liutkus, et al. , shows that mussels can absorb up to 86% of feces (organic) and 90% of dissolved feeds (inorganic form) from salmon farming. The growth and biochemical profile of mussels are greatly affected by the environment in which they exist such as the type of organic matter from fish farm (biodeposition) . However, storms, tidal cycles, and current speed can resuspend bottom materials, increasing the concentration of seston in the upper portion, thus reducing the food available for bivalve filter-feeders at the bottom [3,4]. Further, current speed and flow also affect phytoplankton transport, mussel clearance rate, and settling of organic and inorganic material on the cultured bivalves, while extreme waves can cause mortality and limit food intake . Complex interaction between all the aforementioned environmental parameters that influence growth and health of the animal must be considered. Furthermore, Bayne & Worrall , showed that food quantity, quality, physiological availability, and temperature were all affecting Perna viridis somatic growth and fecundity, thus emphasizing the importance of evaluating environmental characteristics and how they alter mussel condition, and the final quality of the harvested product.
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