Analysis of the microchemistry and stable isotopic composition of the otoliths of goldband snapper (Pristipomoides multidens) as an aid to the determination of stock structure

Funding Activity

Website
https://www.frdc.com.au/project/1998-154

Funding Status
Closed

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Funded Activity Summary

The Northern Territory Fisheries Division and the Fisheries Department of Western Australia are currently formulating management plans for the demersal fisheries off their respective coastlines and are concerned about current levels of exploitation and the potential for over-exploitation. A key issue in the formulation of these plans is whether there is a single shared stock between WA and NT or distinct isolated stocks. Under a single stock assumption, overfishing in any one sector of the fishery could lead to depleted catches in other sectors. There is presently little information on the stock structure of Pristipomoides multidens across northern Australia, nor is there any information on migration patterns within the region (genetic differences are currently being investigated in FRDC Project 96/131). This important issue needs to be resolved before appropriate management plans can be determined.

Furthermore, the resolution of stock structure between WA and NT will allow informed decisions on the likelihood of shared demersal fishery resources with Indonesia across international maritime boundaries (NT Fisheries have collected some samples from Indonesian waters).

See also original Need in FRDC Project 96/131.

Objectives:
1. To investigate the stock structure of Goldband Snapper (Pristipomoides multidens) across northern Australia using otolith microchemistry and stable isotopic composition in order to assist in the sustainable development of appropriate management plans for the deepwater snapper fisheries of the Northern Territory and Western Australia.

Funded Activity Details

Start Date: 22-06-1998

End Date: 31-12-2000

Funding Scheme: Funding Scheme not available

Funding Amount: $31,608.00

Funder: Fisheries Research and Development Corporation

Research Topics

ANZSRC Field of Research (FoR)

There are no FoR codes available for this funding activity

ANZSRC Socio-Economic Objective (SEO)

There are no SEO codes available for this funding activity

Other Keywords

Biomass | Fisheries Management | Stock Assessment

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