Fisheries Infosite

FAR 2015/19 Trawl survey of hoki and middle depth species on the Chatham Rise, January 2014 (TAN1401).


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FAR_2015_19_2858_HOK2010-05C.pdf (9.3 MB)

The 23rd annual Chatham Rise trawl survey was carried out 2–28 January 2014. In total 119 stations were completed - 85 core (200–800 m) phase 1, 2 core phase 2 and 32 deep (800–1300 m). The estimates of relative core biomass were hoki 101 944 t (CV 9.8%), hake 1377 t (CV 15.2%) and ling 7489 (CV 7.2%). Estimated biomass of orange roughy in core and deep strata was 6916 t (CV 37.7%). Acoustic indices of mesopelagic fish were lower than in 2013.

Document date
Friday, 27 March 2015
Document type
V 1.3
File format
Adobe PDF
File size
9.3 MB
Reference number
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Uploaded date
Friday, 27 March 2015

Search tags
Author: Ballara, S.L.; Horn, P.L; Ladroit, Y.; MacGibbon, D.J.; O’Driscoll, R.L.; Stevens, D.W.;
FishingMethod: trawl;
ResearchField: acoustic; Eastern stock; hake; hoki; ling; relative abundances;
ScienceStock: Deepwater;
Species: hoki; Macruronus novaezelandiae; orange roughy;

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