Oceanological Conditions and Reproduction of the Spotted Seal (Phoca larga) in Peter the Great Bay of the Sea of Japan

被引：5
|
作者：
Katin, I. O. [1 ]
Nesterenko, V. A. [1 ]
机构：
[1] Russian Acad Sci, Far E Div, Inst Biol & Soil Sci, Vladivostok 690022, Russia
来源：
OCEANOLOGY | 2010年 / 50卷 / 01期
关键词：
PACIFIC HARBOR SEALS; SELECTION;
D O I：
10.1134/S0001437010010091
中图分类号：
P7 [海洋学];
学科分类号：
0707 ;
摘要：
The long-term studying of the reproduction of the spotted seal Phoca larga and the analysis of the oceanological conditions in Peter the Great Bay of the Sea of Japan have shown that the ice situation is not right for the successful parturition and breeding of pups due to the impossibility of synchronization of the reproduction processes with the dynamics and properties of the ice substratum. A major factor promoting the spotted seal's coastal reproduction in this area is the existence of an archipelago of small islands with a specific geomorphological structure. Being the historical norm, the coastal reproduction has a number of advantages in comparison with ice reproduction and, as a whole, allows the existence in Peter the Great Bay of local groupings of the spotted seal with extremely small numbers of members.
引用
收藏
页码：77 / 82
页数：6
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