Frequency variability of some phenetic features in the northern fur seal Callorhinus ursinus from Tyuleniy Island and adjacent waters

Frequency variability of some phenetic features in the northern fur seal Callorhinus ursinus from... This study examines discrete features in the northern fur seal Callorhinus ursinus related to the shape of the posterior edge of the front flipper, which is characterized by a varying degree of manifestation of quantitative (number of festoons) and qualitative (shape, size, and arrangement of lobes) features of each digit. Analysis of frequencies of the investigated morphological features in 12 northern fur seals showed their high chronological variability and the significance of between-sample differences both within the Tyuleniy Island population and between the different breeding groups. Thus, the usefulness of the above features as criteria for separating populations of northern fur seal appears to be doubtful. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Marine Biology Springer Journals

Frequency variability of some phenetic features in the northern fur seal Callorhinus ursinus from Tyuleniy Island and adjacent waters

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Publisher
Springer Journals
Copyright
Copyright © 2010 by Pleiades Publishing, Ltd.
Subject
Life Sciences; Freshwater & Marine Ecology
ISSN
1063-0740
eISSN
1608-3377
D.O.I.
10.1134/S1063074010050044
Publisher site
See Article on Publisher Site

Abstract

This study examines discrete features in the northern fur seal Callorhinus ursinus related to the shape of the posterior edge of the front flipper, which is characterized by a varying degree of manifestation of quantitative (number of festoons) and qualitative (shape, size, and arrangement of lobes) features of each digit. Analysis of frequencies of the investigated morphological features in 12 northern fur seals showed their high chronological variability and the significance of between-sample differences both within the Tyuleniy Island population and between the different breeding groups. Thus, the usefulness of the above features as criteria for separating populations of northern fur seal appears to be doubtful.

Journal

Russian Journal of Marine BiologySpringer Journals

Published: Nov 14, 2010

References

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