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Marine Mammal and Sea Turtle Sightings During a Survey of the Endeavour Segment of the Juan de Fuca Ridge, British Columbia

Meike Holst

Abstract


Marine mammals and sea turtles were documented as part of a monitoring and mitigation program during a seismic study offshore (~250 km) from Vancouver island, British Columbia, during August–September 2009. Forty-one marine mammals in nine groups were sighted. Dall’s Porpoise (Phocoenoides dalli) was the most frequently sighted species. A Sperm Whale (Physeter macrocephalus), a pod of Pacific White-sided Dolphins (Lagenorhynchus obliquidens), an unidentified toothed whale, a Northern Elephant Seal (Mirounga angustirostris), and a leatherback Turtle (Dermochelys coriacea) were also observed. These data augment current knowledge on the occurrence of marine mammals and sea turtles in the offshore waters of British Columbia.


Keywords


Dall’s Porpoise; Phocoenoides dalli; leatherback Turtle; Dermochelys coriacea; Northern Elephant Seal; Mirounga angustirostris; Sperm Whale; Physeter macrocephalus; Pacific White-sided Dolphins; Lagenorhynchus obliquidens; seismic survey; marine mammal

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DOI: http://dx.doi.org/10.22621/cfn.v131i2.1873



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