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Radiometric analysis of blue grenadier, Macrunonus novaezelandiae, otolith cores

journal contribution
posted on 2023-05-16, 09:42 authored by Fenton, GE, Short, SA

Blue grenadier, Macruronus novaezelandiae, is a major commercial fish species in the upper continental slope waters of southeastern Australia and New Zealand. An accurate knowledge ofage and growth rate of this species is required for management ofthe fishery. Several ageing studies have provided estimates of age for blue grenadier (hoki) from New Zealand waters (reviewed by Paul, 1992), with the maximum age ranging from 12 to 15 years.

In the present study measurements of 210Pb/226Ra disequilibria have been conducted on cores of adult female blue grenadier otoliths in an attempt to provide independent age data for this species.

History

Publication title

Fishery Bulletin

Volume

93

Pagination

391-396

ISSN

0090-0656

Department/School

School of Natural Sciences

Publisher

U.S. National Marine Fisheries Service

Place of publication

7600 Sand Point Way Ne Bin C15700, Seattle, USA, Wa, 98115

Rights statement

Copyright © 1995 U.S. National Marine Fisheries Service

Repository Status

  • Restricted

Socio-economic Objectives

Expanding knowledge in the environmental sciences

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