The dynamics of the intrapopulation parameters of the northern fur seal on Tyuleniy Island are considered for the period when their population was recovering after a depression. Almost all its characteristics, except for those dependent on density, showed a positive tendency. Dynamic processes in the northern fur seal populations in the post-depression years are found to be based on the demographic transformation of the community, which closely correlates with its qualitative changes, predetermined by the dynamics of its age structure. The process of complete reversal in the state of the fur seal population, which is distinguished by peak values at the depression and in the years of prosperity, is approximately equal to the life span of one generation of these animals.
Russian Journal of Marine Biology – Springer Journals
Published: Jan 18, 2011
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