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An annual profile of growth in the otoliths of immature Notothenia coriiceps Richardson in relation to the environment at Signy Island, Antarctica

Ashford, Julian R.; White, Martin G.. 1995 An annual profile of growth in the otoliths of immature Notothenia coriiceps Richardson in relation to the environment at Signy Island, Antarctica. Antarctic Science, 7 (4). 345-349. 10.1017/S0954102095000484

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Abstract/Summary

Scanning electron microscope and image analysis techniques were used to construct a profile of otolith growth from June 1987–June 1988 in immature Notothenia coriiceps. Growth was found to fluctuate seasonally with a large decrease between August and late November 1987. Examination of stomach fullness showed that fish continued to feed during winter. Increases in absolute light levels and sea temperature during spring were found to coincide approximately with increasing growth. Conclusive evidence distinguishing between hypotheses for limitation of growth either by seawater temperature or by resource availability was not found

Item Type: Publication - Article
Digital Object Identifier (DOI): 10.1017/S0954102095000484
Programmes: BAS Programmes > Pre 2000 programme
ISSN: 0954-1020
Additional Keywords: Antarctic, fish, otolith growth, Notothenia coriiceps, temperature, diet
Date made live: 06 Dec 2016 13:22 +0 (UTC)
URI: http://nora.nerc.ac.uk/id/eprint/515405

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