FAR 2014/02 Trawl survey of hoki and middle depth species on the Chatham Rise, January 2013

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FAR_2014_02_HOK2010-05B Obj 4B; CS 9.pdf

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FAR_2014_02_HOK2010-05B Obj 4B; CS 9.pdf (8.5 MB)

Abstract
The 22nd annual Chatham Rise trawl survey was carried out 2–26 January 2013. In total 123 stations were completed - 89 core (200–800 m) phase 1, 2 core phase 2 and 32 deep (800–1300 m). The estimates of relative core biomass were hoki 124 112 t (c.v. 15.3%), hake 1793 t (c.v. 15.3%) and ling 8714 t (c.v. 10.1%). Estimated biomass of orange roughy in core and northern deep strata was 2 776 t (c.v. 32.4%). Acoustic indices of mesopelagic fish were lower than in 2012.

Document date
Friday, 31 January 2014

Document type
V 1.3

File format
Adobe PDF

File size
8.5 MB

Reference number
2014/02

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FAR_2014_02_HOK2010-05B Obj 4B; CS 9.pdf

Uploaded date
Friday, 31 January 2014

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FAR: 2014/02;
ISSN: 1179-5352;
ISBN: 978-0-478-42336-5;
Species: Hoki; Middle depth species;
Stock: HOK;
Author: Ballara; Horn; O’Driscoll; Oeffner; Stevens;

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