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Mortality events

CHARACTERIZATION OF TEMPERATURE CONDITIONS DURING MASS MORTALITY EVENTS

Results, Mortality events

Severe mass mortality events of marine invertebrates were observed during 1999 and 2003 summers affecting more than 30 species in the NW Mediterranean region. In 2006 lesser extent event was as well recorded. These mortality events were concominant with anomalous temperature conditions. T-MedNet high resolution temperature records allowed to detect a significant increase on the exposition to warm temperature conditions (23 and 25 ÂșC) which was clearly related with the increase on the percentage of affected colonies of the red gorgonian Paramuricea clavata (data from the Marseilles area).