The spatial and temporal age structure of bluenose (Hyperoglyphe antarctica) commercial catches from Fishstock BNS 1
By: Horn, P. L.
Contributor(s): Sutton, C. P.
Material type: BookSeries: New Zealand fisheries assessment report ; 2010/8.Publisher: Wellington : Ministry of Fisheries, 2010Description: 22 p. : figs. ; 30 cm.ISSN: 1175-1584 (print); 1179-5352 (electronic).Report number: NPP4 1005Subject(s): BLUENOSE | HYPEROGLYPHE ANTARCTICA | FISHERY MANAGEMENT | AGING | STOCK ASSESSMENTOnline resources: Click here to access online In: New Zealand fisheries assessment reportSummary: This report describes an investigation of the age structure, and associated estimates of instantaneous mortality, of the bluenose (Hyperoglyphe antarctica) catch taken by the line fishery in parts of Fishstock BNS 1. The work aimed to determine if evidence of the large declines in abundance seen in CPUE can also be seen in the age structure of the commercial catch sampled over an 8-year period, and at different locations sampled contemporaneously. The locations sampled were in southeastern Bay of Plenty (around White Island), and on two distinct fishing grounds in Statistical Areas 004 and 008.Item type | Current library | Call number | Copy number | Status | Date due | Barcode | |
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JOURNAL | WELLINGTON JOURNALS | NO. 2010/8 | 1 | Available | J09672 |
This report describes an investigation of the age structure, and associated estimates of instantaneous mortality, of the bluenose (Hyperoglyphe antarctica) catch taken by the line fishery in parts of Fishstock BNS 1. The work aimed to determine if evidence of the large declines in abundance seen in CPUE can also be seen in the age structure of the commercial catch sampled over an 8-year period, and at different locations sampled contemporaneously. The locations sampled were in southeastern Bay of Plenty (around White Island), and on two distinct fishing grounds in Statistical Areas 004 and 008.
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