Age-distribution models for fish in catches

Age-distribution models for fish in catches Models that describe the age distributions of fish in catches are discussed. On the logarithmic scale of the Y-axis, the right (descending) part of these curves can be straight or can have an upward or downward concavity, as well as a sharp bend in the middle. These properties of the curves can be explained by variations in the intensity of mortality between different age groups or by demographic variations in the super-population systems. Illustrations of a catch using age curves are provided. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Marine Biology Springer Journals

Age-distribution models for fish in catches

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Publisher
Pleiades Publishing
Copyright
Copyright © 2016 by Pleiades Publishing, Ltd.
Subject
Life Sciences; Freshwater & Marine Ecology
ISSN
1063-0740
eISSN
1608-3377
D.O.I.
10.1134/S1063074016020115
Publisher site
See Article on Publisher Site

Abstract

Models that describe the age distributions of fish in catches are discussed. On the logarithmic scale of the Y-axis, the right (descending) part of these curves can be straight or can have an upward or downward concavity, as well as a sharp bend in the middle. These properties of the curves can be explained by variations in the intensity of mortality between different age groups or by demographic variations in the super-population systems. Illustrations of a catch using age curves are provided.

Journal

Russian Journal of Marine BiologySpringer Journals

Published: May 12, 2016

References

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