Harbor porpoise distribution and abundance off Oregon and Washington from aerial surveys in 1991

Citation:

Calambokidis, J., J.R. Evenson, J.C. Cubbage, P.J. Gearin, and S.D. Osmek. 1992. Harbor porpoise distribution and abundance off Oregon and Washington from aerial surveys in 1991. Report to the National Marine Mammal Laboratory, National Marine Fisheries Service, Seattle. 44pp.

Abstract:

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