Occurrence and Distribution of Fin Whales (Balaenoptera physalus) and Humpback Whales (Megaptera novaeangliae) in the Atlantic Sector of Antarctica

被引：0
|
作者：
Chernetsky, A. D. [1 ]
Chukmasov, P. V. [2 ]
Krasnova, V. V. [1 ]
Tretiakov, A. V. [2 ]
Tretiakova, L. G. [2 ]
Bitiutskiy, D. G. [3 ]
Mosharov, S. A. [1 ]
Salyuk, P. A. [4 ]
机构：
[1] Russian Acad Sci, Shirshov Inst Oceanol, Moscow, Russia
[2] Russian Acad Sci, Severtsov Inst Ecol & Evolut, Moscow, Russia
[3] Russian Fed Res Inst Fisheries & Oceanog AzNIIRKH, Sect World Ocean, Azov Black Sea Branch, Rostov Na Donu, Russia
[4] Russian Acad Sci, Ilichev Pacific Oceanol Inst, Far Eastern Branch, Vladivostok, Russia
来源：
OCEANOLOGY | 2023年 / 63卷 / 04期
关键词：
Atlantic sector of Antarctica; cetaceans; fin whales; humpback whales; occurrence; spatial distribution; SCOTIA SEA; MARINE MAMMALS; BALEEN WHALES; LONG-TERM; KRILL; ECOSYSTEM; VARIABILITY; SEABIRDS; JANUARY; ISLANDS;
D O I：
10.1134/S0001437023040033
中图分类号：
P7 [海洋学];
学科分类号：
0707 ;
摘要：
The occurrence and distribution of fin whales and humpback whales along the route of the R/V Akademik Mstislav Keldysh in the Atlantic sector of Antarctica in January and February 2022 were studied. The features of the whales' distribution were considered depending on the depth of the water area, the abundance and age of krill, and the Chl-a concentration in the water. The highest occurrence of fin whales was found in the deep waters of the Powell Basin and the Orkney Trench, where the highest concentrations of adult krill were recorded. The highest occurrence of humpback whales was observed in shallow Bransfield Strait, where small and young krill predominated. The dependence of the occurrence of whales on the concentration of chlorophyll was not confirmed.
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页码：589 / 599
页数：11
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