Age determination of frostfish (Lepidopus caudatus) off west coast South Island.

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FAR_2013_21_2635_MID2010-01B, Obj8, CS5.pdf

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FAR_2013_21_2635_MID2010-01B, Obj8, CS5.pdf (1.9 MB)

Abstract
A method to determine the age of frostfish (Lepidopus caudatus) using counts of zones in otoliths has been developed, and was verified using the progression of modes in length-frequency distributions. Frostfish are fast-growing and relatively short-lived (maximum age 11 years). An estimated catch-at-age distribution for the FRO 7 fishery in 2007–08 is presented.

Document date
Monday, 8 July 2013

Document type
V 1.3

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Adobe PDF

File size
1.9 MB

Reference number
2013/21

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FAR_2013_21_2635_MID2010-01B, Obj8, CS5.pdf

Uploaded date
Wednesday, 8 May 2013

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FAR: 2013/21;
ISSN: 1179-5352;
ISBN: 978-0-478-40595-8;
ScienceStock: Deepwater;
Species: frostfish;
Stock: FRO;
FishingMethod: trawl;
ResearchField: frostfish age, otoliths, length-frequency distributions;
Author: Horn;

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