Snapper catch-at-length and catch-at-age heterogeneity between spatial strata in SNA 2 bottom trawl landings, 2007-08 and 2008-09.

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12_40_FAR_TN2535.pdf

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12_40_FAR_TN2535.pdf (2.0 MB)

Abstract
Snapper (Pagrus auratus) catch-at-age data sampled from the SNA 2 bottom trawl fishery in 2007–08 and 2008–09 were investigated for spatial differences in size and age. Comparison of the differences in length and age structure, year class strength, growth, and genetics (not this study) suggest that snapper north and south of Mahia Peninsula, represent distinct substocks, if not, separate biological stocks.

Document date
Tuesday, 16 October 2012

Document type
V 1.3

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Adobe PDF

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2.0 MB

Reference number
2012/40

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12_40_FAR_TN2535.pdf

Uploaded date
Tuesday, 16 October 2012

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FAR: 2012/40;
ISSN: 1179-5352;
ISBN: 978-0-478-40088-5;
ScienceStock: Inshore;
Species: Pagrus auratus; SNA; Snapper;
Stock: SNA 2; SNA2;
FishingMethod: bottom trawl;
ResearchField: bottom trawl; catch-at-age; catch-at-length; Pagrus auratus; SNA; SNA 2; SNA2; snapper; spatial;
Author: Armiger; Bian; Buckthought; Ferguson; McKenzie; Miller; Smith; Walsh;

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