Number of the Most Abundant Marine Mammals Species in the Vicinities of the Antarctic Peninsula, Scotia Sea, and Powell Basin
—Observations were conducted from the R/V Akademik Mstislav Keldysh in the Drake Passage, the vicinities of the Antarctic Peninsula, the Scotia Sea, and the northern Weddell Sea during two cruises in January–early March 2020 (cruise 79) and during a single cruise in January–February 2022 (cruise 87)...
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| Veröffentlicht in: | Oceanology (Washington. 1965) 2023-08, Vol.63 (4), p.600-608 |
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| creator | Kharitonov, S. P. Tretyakov, A. V. Chukmasov, P. V. Chernetsky, A. D. Mischenko, A. L. Konyukhov, N. B. Dmitriev, A. E. Artemyeva, S. M. Pilipenko, G. Yu Mamaev, M. S. Tretyakova, L. G. Rozhnov, V. V. |
| description | —Observations were conducted from the R/V
Akademik Mstislav Keldysh
in the Drake Passage, the vicinities of the Antarctic Peninsula, the Scotia Sea, and the northern Weddell Sea during two cruises in January–early March 2020 (cruise 79) and during a single cruise in January–February 2022 (cruise 87). The data make it possible to assess the number of the most abundant sea mammals in the area near the South Shetland Islands, Scotia Sea, and Powell Basin. The 2022 observation area in the Antarctic was located about 150 km east of the 2020 area. The survey area, which was a bit larger than 343 000 km
2
in January–February 2020, hosted approximately 1200 humpback whales (
Megaptera novaeangliae
) and 2800 fin whales (
Balaenoptera physalus
). In 2022, this area hosted approximately 2500 fin whales and again more than 1200 humpback whales. The numbers of the Antarctic fur seals in each season here were assessed at approximately 2000–3000 animals. The type of distribution of these two whale species along the track of the vessel indicated the absence of intra- or interspecies food competition during the austral summers of 2020 and 2022. It was possible to evaluate the total numbers of Antarctic fur seal (
Arctocephalus gazella
); however, this assessment appeared less precise than the same ones for humpback and fin whales. |
| doi_str_mv | 10.1134/S0001437023040069 |
| format | Article |
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Akademik Mstislav Keldysh
in the Drake Passage, the vicinities of the Antarctic Peninsula, the Scotia Sea, and the northern Weddell Sea during two cruises in January–early March 2020 (cruise 79) and during a single cruise in January–February 2022 (cruise 87). The data make it possible to assess the number of the most abundant sea mammals in the area near the South Shetland Islands, Scotia Sea, and Powell Basin. The 2022 observation area in the Antarctic was located about 150 km east of the 2020 area. The survey area, which was a bit larger than 343 000 km
2
in January–February 2020, hosted approximately 1200 humpback whales (
Megaptera novaeangliae
) and 2800 fin whales (
Balaenoptera physalus
). In 2022, this area hosted approximately 2500 fin whales and again more than 1200 humpback whales. The numbers of the Antarctic fur seals in each season here were assessed at approximately 2000–3000 animals. The type of distribution of these two whale species along the track of the vessel indicated the absence of intra- or interspecies food competition during the austral summers of 2020 and 2022. It was possible to evaluate the total numbers of Antarctic fur seal (
Arctocephalus gazella
); however, this assessment appeared less precise than the same ones for humpback and fin whales.</description><identifier>ISSN: 0001-4370</identifier><identifier>EISSN: 1531-8508</identifier><identifier>DOI: 10.1134/S0001437023040069</identifier><language>eng</language><publisher>Moscow: Pleiades Publishing</publisher><subject>Aquatic mammals ; Arctocephalus gazella ; Cetacea ; Cruises ; Earth and Environmental Science ; Earth Sciences ; Fins ; Geographical distribution ; Marine Biology ; Marine mammals ; Megaptera ; Oceanography ; Seals ; Seals (animals) ; Whales</subject><ispartof>Oceanology (Washington. 1965), 2023-08, Vol.63 (4), p.600-608</ispartof><rights>Pleiades Publishing, Inc. 2023. ISSN 0001-4370, Oceanology, 2023, Vol. 63, No. 4, pp. 600–608. © Pleiades Publishing, Inc., 2023. Russian Text © The Author(s), 2023, published in Okeanologiya, 2023, Vol. 63, No. 4, pp. 689–698.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c268t-e0cd6d8899b56934af082c23d6f4d693cff396c96e074e14387b4866b0df179c3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1134/S0001437023040069$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1134/S0001437023040069$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Kharitonov, S. P.</creatorcontrib><creatorcontrib>Tretyakov, A. V.</creatorcontrib><creatorcontrib>Chukmasov, P. V.</creatorcontrib><creatorcontrib>Chernetsky, A. D.</creatorcontrib><creatorcontrib>Mischenko, A. L.</creatorcontrib><creatorcontrib>Konyukhov, N. B.</creatorcontrib><creatorcontrib>Dmitriev, A. E.</creatorcontrib><creatorcontrib>Artemyeva, S. M.</creatorcontrib><creatorcontrib>Pilipenko, G. Yu</creatorcontrib><creatorcontrib>Mamaev, M. S.</creatorcontrib><creatorcontrib>Tretyakova, L. G.</creatorcontrib><creatorcontrib>Rozhnov, V. V.</creatorcontrib><title>Number of the Most Abundant Marine Mammals Species in the Vicinities of the Antarctic Peninsula, Scotia Sea, and Powell Basin</title><title>Oceanology (Washington. 1965)</title><addtitle>Oceanology</addtitle><description>—Observations were conducted from the R/V
Akademik Mstislav Keldysh
in the Drake Passage, the vicinities of the Antarctic Peninsula, the Scotia Sea, and the northern Weddell Sea during two cruises in January–early March 2020 (cruise 79) and during a single cruise in January–February 2022 (cruise 87). The data make it possible to assess the number of the most abundant sea mammals in the area near the South Shetland Islands, Scotia Sea, and Powell Basin. The 2022 observation area in the Antarctic was located about 150 km east of the 2020 area. The survey area, which was a bit larger than 343 000 km
2
in January–February 2020, hosted approximately 1200 humpback whales (
Megaptera novaeangliae
) and 2800 fin whales (
Balaenoptera physalus
). In 2022, this area hosted approximately 2500 fin whales and again more than 1200 humpback whales. The numbers of the Antarctic fur seals in each season here were assessed at approximately 2000–3000 animals. The type of distribution of these two whale species along the track of the vessel indicated the absence of intra- or interspecies food competition during the austral summers of 2020 and 2022. It was possible to evaluate the total numbers of Antarctic fur seal (
Arctocephalus gazella
); however, this assessment appeared less precise than the same ones for humpback and fin whales.</description><subject>Aquatic mammals</subject><subject>Arctocephalus gazella</subject><subject>Cetacea</subject><subject>Cruises</subject><subject>Earth and Environmental Science</subject><subject>Earth Sciences</subject><subject>Fins</subject><subject>Geographical distribution</subject><subject>Marine Biology</subject><subject>Marine mammals</subject><subject>Megaptera</subject><subject>Oceanography</subject><subject>Seals</subject><subject>Seals (animals)</subject><subject>Whales</subject><issn>0001-4370</issn><issn>1531-8508</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><recordid>eNp1kM1KxDAUhYMoOI4-gLuAW6tJk6bJchz8gxkdqLotaZpqhjYdkxRx4bubOgMuxNW9nPudc-EAcIrRBcaEXhYIIUxJjlKCKEJM7IEJzghOeIb4PpiM52S8H4Ij79cIEUwFn4Cvh6GrtIN9A8ObhsveBzirBltLG-BSOmOjKLtOth4WG62M9tDYH_bFKGNNGJWde2aDdCoYBVfaGuuHVp7DQvXBSFjouEtbw1X_odsWXklv7DE4aGKyPtnNKXi-uX6a3yWLx9v7-WyRqJTxkGikalZzLkSVMUGobBBPVUpq1tA6CqppiGBKMI1yqmMNPK8oZ6xCdYNzocgUnG1zN65_H7QP5bofnI0vy5RngmWEEhYpvKWU6713uik3znTSfZYYlWPL5Z-Woyfdenxk7at2v8n_m74BGQR9aQ</recordid><startdate>20230801</startdate><enddate>20230801</enddate><creator>Kharitonov, S. 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V.</creatorcontrib><creatorcontrib>Chernetsky, A. D.</creatorcontrib><creatorcontrib>Mischenko, A. L.</creatorcontrib><creatorcontrib>Konyukhov, N. B.</creatorcontrib><creatorcontrib>Dmitriev, A. E.</creatorcontrib><creatorcontrib>Artemyeva, S. M.</creatorcontrib><creatorcontrib>Pilipenko, G. Yu</creatorcontrib><creatorcontrib>Mamaev, M. S.</creatorcontrib><creatorcontrib>Tretyakova, L. G.</creatorcontrib><creatorcontrib>Rozhnov, V. V.</creatorcontrib><collection>CrossRef</collection><collection>Environment Abstracts</collection><collection>Oceanic Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Environment Abstracts</collection><jtitle>Oceanology (Washington. 1965)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kharitonov, S. P.</au><au>Tretyakov, A. V.</au><au>Chukmasov, P. V.</au><au>Chernetsky, A. D.</au><au>Mischenko, A. L.</au><au>Konyukhov, N. B.</au><au>Dmitriev, A. E.</au><au>Artemyeva, S. M.</au><au>Pilipenko, G. Yu</au><au>Mamaev, M. S.</au><au>Tretyakova, L. G.</au><au>Rozhnov, V. V.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Number of the Most Abundant Marine Mammals Species in the Vicinities of the Antarctic Peninsula, Scotia Sea, and Powell Basin</atitle><jtitle>Oceanology (Washington. 1965)</jtitle><stitle>Oceanology</stitle><date>2023-08-01</date><risdate>2023</risdate><volume>63</volume><issue>4</issue><spage>600</spage><epage>608</epage><pages>600-608</pages><issn>0001-4370</issn><eissn>1531-8508</eissn><abstract>—Observations were conducted from the R/V
Akademik Mstislav Keldysh
in the Drake Passage, the vicinities of the Antarctic Peninsula, the Scotia Sea, and the northern Weddell Sea during two cruises in January–early March 2020 (cruise 79) and during a single cruise in January–February 2022 (cruise 87). The data make it possible to assess the number of the most abundant sea mammals in the area near the South Shetland Islands, Scotia Sea, and Powell Basin. The 2022 observation area in the Antarctic was located about 150 km east of the 2020 area. The survey area, which was a bit larger than 343 000 km
2
in January–February 2020, hosted approximately 1200 humpback whales (
Megaptera novaeangliae
) and 2800 fin whales (
Balaenoptera physalus
). In 2022, this area hosted approximately 2500 fin whales and again more than 1200 humpback whales. The numbers of the Antarctic fur seals in each season here were assessed at approximately 2000–3000 animals. The type of distribution of these two whale species along the track of the vessel indicated the absence of intra- or interspecies food competition during the austral summers of 2020 and 2022. It was possible to evaluate the total numbers of Antarctic fur seal (
Arctocephalus gazella
); however, this assessment appeared less precise than the same ones for humpback and fin whales.</abstract><cop>Moscow</cop><pub>Pleiades Publishing</pub><doi>10.1134/S0001437023040069</doi><tpages>9</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0001-4370 |
| ispartof | Oceanology (Washington. 1965), 2023-08, Vol.63 (4), p.600-608 |
| issn | 0001-4370 1531-8508 |
| language | eng |
| recordid | cdi_proquest_journals_2859653436 |
| source | Springer Nature - Complete Springer Journals |
| subjects | Aquatic mammals Arctocephalus gazella Cetacea Cruises Earth and Environmental Science Earth Sciences Fins Geographical distribution Marine Biology Marine mammals Megaptera Oceanography Seals Seals (animals) Whales |
| title | Number of the Most Abundant Marine Mammals Species in the Vicinities of the Antarctic Peninsula, Scotia Sea, and Powell Basin |
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