Reducing bias in trends in dolphin relative abundance, estimated from tuna vessel data

A. A. Anganuzzi, S. T. Buckland

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

Estimated the relative abundances of E tropical Pacific stocks of spotted Stenella attenuata, spinner S. longirostris and common Delphinus delphis dolphins. Estimates corresonding to each year from 1975-1987 are given for a new procedure. Conclusions are generally similar to those of Buckland and Anganuzzi (1988); the stocks for which we have most information (the E stock of spinner dolphin and the N offshore stock of spotted dolphin) both appear to have been relatively stable in size during the 1980s, with evidence of reductions in the latter stock in the late 1970s. -from Authors

Original languageEnglish
Pages (from-to)323-334
Number of pages12
JournalReport - International Whaling Commission
Volume39
Publication statusPublished - 1 Jan 1989

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