Pinna nobilis in suboptimal environments are more tolerant to disease but more vulnerable to severe weather phenomena
Andree, Karl B.
García-March, José Rafael
We examined a disease outbreak of the fan mussel, Pinna nobilis (L.), in the Alfacs Bay (South Ebro Delta, Spain) during a period of two years in three zones exposed to a summer salinity gradient resulting from agricultural freshwater discharges and distance to the open sea. Long-term monitoring was also conducted in Fangar Bay (North Ebro Delta), featuring lower salinities and no evidence of disease. Results showed that the salinity gradient of Alfacs Bay (37.4–35.7) was associated to cumulative mortality (100% near the mouth, 43% in middle regions, and 13% in inner regions), thus hindering the spread of pathogens. Young specimens showed to be more tolerant to disease than large adults but become vulnerable over time. In Fangar Bay, lower salinities (30.5–33.5) prevented the disease but individuals were highly vulnerable to Storm Gloria which caused 60% mortality in 3 weeks, and ~100% in 6 weeks.
574 - General ecology and biodiversity
637 - Produce of domestic (farmyard) animals and game
Is part of
Marine Environmental Research
Prado, Patricia, Amalia Grau, Gaetano Catanese, Pep Cabanes, Francesca Carella, Margarita Fernández-Tejedor, and Karl B. Andree et al. 2021. "Pinna Nobilis In Suboptimal Environments Are More Tolerant To Disease But More Vulnerable To Severe Weather Phenomena". Marine Environmental Research 163: 105220. doi:10.1016/j.marenvres.2020.105220.
Grant agreement number
INIA/Programa Estatal de I+D+i orientada a los retos de la sociedad/E-RTA2015-00004-00-00/ES/Gestión sanitaria integrada en las enfermedades emergentes de bivalvos con interés comercial en el Mediterráneo español/EMERGER
Aigües Marines i Continentals
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