Fisheries Infosite

Orange roughy abundance estimates of the north Chatham Rise Spawning Plumes (ORH3B), San Waitaki acoustic survey, June-July 2014


Link to file
FAR-2016-31-ORH-North-Chatham-Rise-Acoustics.pdf (951.5 kb)

Abundance estimates of the orange roughy in two spawning aggregations on the northeast Chatham Rise (ORH3B) were estimated from a hull mounted transducer acoustic survey carried out between 30 June and 20 July 2014 using FV San Waitaki. For the Old Plume, the estimated abundance was 17 668 t (CV 19%) and for the Rekohu Plume, the abundance was 40 066 t (CV 26%).

Document date
Friday, 17 June 2016
Document type
V 1.3
File format
Adobe PDF
File size
951.5 kb
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Uploaded date
Friday, 17 June 2016

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Author: Doonan, I.J.; Doonan, I.J.; Dunford, A.; Dunford, A.; Hart A.C.; Hart A.C.; Wood, B.; Wood, B.;
FishingMethod: Acoustic survey; Acoustic survey;
ResearchField: Abundance; Abundance; Chatham Rise; Chatham Rise; ORH; ORH; Survey; Survey;
ScienceStock: Deepwater; Deepwater;
Species: ORH; ORH;
Stock: ORH3B; ORH3B;

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