Population abundance of Dall's porpoise (Phocoenoides dalli) in the western North Pacific Ocean

B. J. Turnock; S. T. Buckland; G. C. Boucher

Population abundance of Dall's porpoise (Phocoenoides dalli) in the western North Pacific Ocean

B. J. Turnock, S. T. Buckland, G. C. Boucher

School of Mathematics and Statistics

Research output: Contribution to journal › Article › peer-review

Abstract

Abundance is estimated from line transect data gathered during 1979/89; correction factors are estimated for bias. Data from experimental surveys carried out in 1983 and 1984 are analysed and appropriate correction factors applied. A conservative estimate of population abundance for the western North Pacific Ocean of 141 800 animals is obtained, with 95% CI. Possible biases in this estimate are discussed. -after Authors

Original language	English
Pages (from-to)	381-397
Number of pages	17
Journal	Reports of the International Whaling Commission, Special Issue
Publication status	Published - 1 Jan 1995

Cite this

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title = "Population abundance of Dall's porpoise (Phocoenoides dalli) in the western North Pacific Ocean",

abstract = "Abundance is estimated from line transect data gathered during 1979/89; correction factors are estimated for bias. Data from experimental surveys carried out in 1983 and 1984 are analysed and appropriate correction factors applied. A conservative estimate of population abundance for the western North Pacific Ocean of 141 800 animals is obtained, with 95\% CI. Possible biases in this estimate are discussed. -after Authors",

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AU - Turnock, B. J.

AU - Buckland, S. T.

AU - Boucher, G. C.

PY - 1995/1/1

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N2 - Abundance is estimated from line transect data gathered during 1979/89; correction factors are estimated for bias. Data from experimental surveys carried out in 1983 and 1984 are analysed and appropriate correction factors applied. A conservative estimate of population abundance for the western North Pacific Ocean of 141 800 animals is obtained, with 95% CI. Possible biases in this estimate are discussed. -after Authors

AB - Abundance is estimated from line transect data gathered during 1979/89; correction factors are estimated for bias. Data from experimental surveys carried out in 1983 and 1984 are analysed and appropriate correction factors applied. A conservative estimate of population abundance for the western North Pacific Ocean of 141 800 animals is obtained, with 95% CI. Possible biases in this estimate are discussed. -after Authors

UR - https://www.scopus.com/pages/publications/0029541201

M3 - Article

AN - SCOPUS:0029541201

SP - 381

EP - 397

JO - Reports of the International Whaling Commission, Special Issue

JF - Reports of the International Whaling Commission, Special Issue

ER -

Population abundance of Dall's porpoise (Phocoenoides dalli) in the western North Pacific Ocean

Abstract

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