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Relative abundance, size and age structure, and stock status of blue cod off Banks Peninsula in 2012 / G. Carbines, V. Haist.

By: Carbines, Glen D. (Glen David), 1968-.
Contributor(s): Haist, Vivian | New Zealand. Ministry for Primary Industries [issuing body.].
Material type: materialTypeLabelBookSeries: New Zealand fisheries assessment report: 2017/37.Publisher: Wellington : Ministry for Primary Industries, 2017Description: 126 pages : colour illustrations; 1 online resource.ISBN: 9781776656400 (online).ISSN: 1179-5352 (online).Subject(s): BLUE COD | PARAPERCIS COLIAS | POT FISHING | STOCK ASSESSMENT | MATHEMATICAL MODELS | BANKS PENINSULA | NEW ZEALANDHoldings: ELECTRONIC Online resources: MPI website | NIWA document server Summary: Concurrent fixed and random site potting surveys (80 sites, 6 pots/site) from 5 inshore and 2 offshore Banks Peninsula strata. Catch rates and size frequency are compared with 4 previous fixed site surveys, and comparisons made between survey designs. Otoliths were collected for age compositions, total mortality estimates, and spawner per recruit analyses. Concurrent video transects had an extremely poor relationship with observed density and subsequent pot catches of blue cod less than 30 cm.
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PDF PDF WELLINGTON
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ELECTRONIC 2017/37 1 Not for loan 383537

"July 2017."

Includes bibliographical references.

Concurrent fixed and random site potting surveys (80 sites, 6 pots/site) from 5 inshore and 2 offshore Banks Peninsula strata. Catch rates and size frequency are compared with 4 previous fixed site surveys, and comparisons made between survey designs. Otoliths were collected for age compositions, total mortality estimates, and spawner per recruit analyses. Concurrent video transects had an extremely poor relationship with observed density and subsequent pot catches of blue cod less than 30 cm.

ELECTRONIC

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