1990

Photographic identification of the blue whale (Balaenoptera musculus) in the Gulf of St. Lawrence, Canada

Sears, R., Williamson, J.M., Wenzel, F.W., Bérubé, M., Gendron, D. and Jones, P. 1990. Photographic identification of the blue whale (Balaenoptera musculus) in the Gulf of St. Lawrence, Canada. In: Individual Recognition of Cetaceans: Use of Photo-Identification and Other Techniques to Estimate Population Parameters.  Philip S. Hammond, Sally A. Mizroch, and Gregory P. Donovan (eds). IWC Rep. Special Issue 12....

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A note on problems in estimating the number of blue whales in the Gulf of St. Lawrence from photo-identification data

Hammond, P.S., Sears, R. and Bérubé, M., 1990. A note on problems in estimating the number of blue whales in the Gulf of St. Lawrence from photo-identification data. In: Individual Recognition of Cetaceans: Use of Photo-Identification and Other Techniques to Estimate Population Parameters. Philip S. Hammond, Sally A. Mizroch, and Gregory P. Donovan (eds). IWC Rep. Special Issue 12.

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Sightings and movements of blue whales off central California 1986-88 from photo-identification of individuals

Abstract: We summarize research into the relative abundance and movements of blue whales off central California using data from aerial surveys and photo-identification of individuals from vessels. The Gulf of the Farallones region (including north to Bodega Bay) was the primary study area; 1.457hrs of vessel surveys and 88hrs of aerial surveys were carried out from July to November 1986-88....

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