Functioning of a Multispecies Haul-out of True Seals (Phocidae) in the Oil Production Region on the Shelf of Sakhalin Island

Functioning of a Multispecies Haul-out of True Seals (Phocidae) in the Oil Production Region on... The results of observation of a seal haul-out at the mouth of Piltun Bay on the northeastern Sakhalin coast conducted from 1997 to 2001 are reported. The species composition and spatial structure of the seal haul-out have been studied. The haul-out community is dominated by the largha seal, which is more numerous than the ringed seal and bearded seal throughout the ice-free period. The characteristics of annual, seasonal, and daily variation in the numbers have been estimated, and their mechanisms have been determined. To date, the development of oil deposits on the northeastern Sakhalin shelf has had no negative effect on seals. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Ecology Springer Journals

Functioning of a Multispecies Haul-out of True Seals (Phocidae) in the Oil Production Region on the Shelf of Sakhalin Island

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Publisher
Kluwer Academic Publishers-Plenum Publishers
Copyright
Copyright © 2003 by MAIK “Nauka/Interperiodica”
Subject
Life Sciences; Ecology
ISSN
1067-4136
eISSN
1608-3334
D.O.I.
10.1023/A:1025670125254
Publisher site
See Article on Publisher Site

Abstract

The results of observation of a seal haul-out at the mouth of Piltun Bay on the northeastern Sakhalin coast conducted from 1997 to 2001 are reported. The species composition and spatial structure of the seal haul-out have been studied. The haul-out community is dominated by the largha seal, which is more numerous than the ringed seal and bearded seal throughout the ice-free period. The characteristics of annual, seasonal, and daily variation in the numbers have been estimated, and their mechanisms have been determined. To date, the development of oil deposits on the northeastern Sakhalin shelf has had no negative effect on seals.

Journal

Russian Journal of EcologySpringer Journals

Published: Oct 7, 2004

References

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