Fisheries Infosite

Orange roughy abundance estimates of the north Chatham Rise Spawning Plumes (ORH3B), San Waitaki acoustic survey, June-July 2011


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12_28_FAR.pdf (1.2 MB)

Spawning orange roughy abundance on the northeast Chatham Rise (ORH3B) was estimated acoustically in June/July 2011 using the FV San Waitaki. For the Spawning Plume, the known aggregation, the estimated abundance was 16 422 t (c.v. 7.5%) from 12 acceptable snapshots. For the West Spawning Site, a new aggregation that was first surveyed in 2011, the abundance was 28 114 t (c.v. 18.4%) from 6 acceptable snapshots.

Document date
Monday, 23 July 2012
Document type
V 1.3
File format
Adobe PDF
File size
1.2 MB
Reference number
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Uploaded date
Monday, 23 July 2012

Search tags
FAR: 2012/28;
ISSN: 1179-5352;
ISBN: 978-0-478-40008-3;
ScienceStock: Deepwater;
Species: Orange Roughy; ORH;
Stock: ORH3B;
FishingMethod: Trawl;
ResearchField: abundance; northeast Chatham Rise; orange roughy; ORH3B; spawning;
Author: Bagley; Doonan; Dunford; Hart;

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