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Bibliography of the Maurice Lamontagne Institute

Ronald GREENDALE

BÉLAND, P., D. MARTINEAU, P. ROBICHAUD, R. PLANTE, R. GREENDALE, 1987. Échouages de mammifères marins sur les côtes du Québec dans l'estuaire et le golfe du Saint-Laurent de 1982 à 1985. Rapp. tech. can. sci. halieut. aquat., 1506, 44 p .

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This report compiles strandings of marine mammals identified by CREP staff from 1982 to 1985 along the shores of southern Québec. Only confirmed reports have been included. There were 132 individual cases, representing ten species; the vast majority (80) occurred from May to September. Less than 15 % of these deaths can be attributed directly to human intervention. Currents and denser settlement are responsible for a larger number of reports from the south shore of the St. Lawrence River and Gulf. The beluga, a resident species, comprises 50 % of all cetacean strandings. Seven rorqual whales stranded above the upper limit of saline waters, including one case over 250 km above this point. Relative to their presumed abundances, there is a bias towards larger species; for example, sperm whales, rarely observed at sea in the Gulf, represent close to 4 % of all deaths reported.