Time/area distribution and composition of the incidental kill of small cetaceans in the U.S. purse-seine fishery for tuna in the eastern tropical Pacific during 1982 and 1983

Oliver, C. W.; Walker, G. J.; Miller, R. B.

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Time/area distribution and composition of the incidental kill of small cetaceans in the U.S. purse-seine fishery for tuna in the eastern tropical Pacific during 1982 and 1983

1984
By Oliver, C. W. ; Walker, G. J. ; Miller, R. B.
Series: Administrative Report LJ ; 84-17

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Personal Author:

Oliver, C. W. ; Walker, G. J. ; Miller, R. B.

Oliver, C. W. ; Walker, G. J. ; Miller, R. B. Less -
NOAA Program & Office:

NMFS (National Marine Fisheries Service) ; SWFSC (Southwest Fisheries Science Center)

NMFS (National Marine Fisheries Service) ; SWFSC (Southwest Fisheries Science Center) Less -
Description:

Data on the incidental kill and sex composition, by time and area, were collected by both IATTC and NMFS fishery technicians aboard United States-registered vessels. The sampling scheme used to place observers aboard vessels was described in Smith (1979). The field data form used by NMFS technicians to collect kill and sex composition data was shown in Perrin and Oliver (1982) and is the source of what is referred to as "tally data" (Oliver et al. 1983). Similar data, collected by IATTC technicians on kill and sex composition, were not available. The field data form used by both IATTC and NMFS technicians to collect data on the sex composition, reproductive condition, and length frequencies of the kill was shown in Perrin and Oliver (1982); these data are referred to as "life history data" (Oliver et al. 1983).
Keywords:

[+]

Bycatches (Fisheries) Cetacea Purse Seining Tuna Fisheries
Series:

Administrative Report LJ ; 84-17
Document Type:

Technical Report
Place as Subject:

Pacific Ocean
Rights Information:

Public Domain
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Library
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urn:sha256:44b835e3534d2c4a327de30f8503eec9b010900fbd409f6928890d386905e971
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https://repository.library.noaa.gov/view/noaa/26659/noaa_26659_DS1.pdf
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Time/area distribution and composition of the incidental kill of small cetaceans in the U.S. purse-seine fishery for tuna in the eastern tropical Pacific during 1982 and 1983

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