Estimating the abundance of Patagonian toothfish Dissostichus eleginoides using baited cameras: a preliminary study

C. Yau, M. A. Collins, Philip Michael Bagley, I. Everson, C. P. Nolan, Imants George Priede

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

The Patagonian toothfish Dissostichus eleginoides has been the object of a rapidly expanding longline fishery in the Southern Ocean. Little is known about the biology of D. eleginoides and traditional methods of estimating stock size using trawling techniques have proved ineffective because the adult fish are found in deep waters on the continental slope at depths of 700-2500 m. During September 1997, a preliminary study was undertaken using arrival times at an autonomous baited camera vehicle, the Aberdeen University Deep Ocean Submersible (AUDOS), to estimate the abundance and size of toothfish in waters around South Georgia (SG) and the Falkland Islands (FI). These are the first attempts at estimating the abundance of toothfish that are independent of catch data from the commercial fishery. (C) 2001 Elsevier Science B.V. All rights reserved.

Original languageEnglish
Pages (from-to)403-412
Number of pages9
JournalFisheries Research
Volume51
DOIs
Publication statusPublished - 2001

Keywords

  • toothfish
  • Dissostichus eleginoides
  • abundance
  • stock size
  • baited camera
  • CENTRAL NORTH PACIFIC
  • FORAGING BEHAVIOR
  • ABYSSAL GRENADIER
  • DEMERSAL FISHES
  • OCEAN
  • TRACKING
  • CORYPHAENOIDES-(NEMATONURUS)-ARMATUS
  • ATLANTIC
  • FAUNA
  • TRAWL

Cite this

Estimating the abundance of Patagonian toothfish Dissostichus eleginoides using baited cameras: a preliminary study. / Yau, C.; Collins, M. A.; Bagley, Philip Michael; Everson, I.; Nolan, C. P.; Priede, Imants George.

In: Fisheries Research, Vol. 51, 2001, p. 403-412.

Research output: Contribution to journalArticle

Yau, C. ; Collins, M. A. ; Bagley, Philip Michael ; Everson, I. ; Nolan, C. P. ; Priede, Imants George. / Estimating the abundance of Patagonian toothfish Dissostichus eleginoides using baited cameras: a preliminary study. In: Fisheries Research. 2001 ; Vol. 51. pp. 403-412.
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abstract = "The Patagonian toothfish Dissostichus eleginoides has been the object of a rapidly expanding longline fishery in the Southern Ocean. Little is known about the biology of D. eleginoides and traditional methods of estimating stock size using trawling techniques have proved ineffective because the adult fish are found in deep waters on the continental slope at depths of 700-2500 m. During September 1997, a preliminary study was undertaken using arrival times at an autonomous baited camera vehicle, the Aberdeen University Deep Ocean Submersible (AUDOS), to estimate the abundance and size of toothfish in waters around South Georgia (SG) and the Falkland Islands (FI). These are the first attempts at estimating the abundance of toothfish that are independent of catch data from the commercial fishery. (C) 2001 Elsevier Science B.V. All rights reserved.",
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