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Studies were performed in 2009 in the Keretsky Archipelago area and in the Velikaya Salma Strait (Karelian coast, the White Sea). The macrobenthic communities were studied for a number of stations where previous observations were performed in 1953–1954. The communities where the bivalve mollusks Arctica islandica and, to a lesser extent, Serripes groenlandicus dominate by biomass have been maintained in the same areas of the sea bottom (102 m?2 scale) for at least half a century. In some cases (in the vicinity of Pezhostrov Island), even the ratio of the dominating taxa (Bivalvia, Polychaeta, and Tunicata) remains nearly the same. 相似文献
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Lepikhina P. P. Basin A. B. Kondar D. V. Udalov A. A. Chikina M. V. Mokievsky V. O. 《Oceanology》2022,62(2):198-206
Oceanology - Macro- and meiobenthos of the Blagopoluchiya Bay (Novaya Zemlya, Kara Sea) have undergone significant changes in their quantitative distribution from 2013 to 2020. During this period,... 相似文献
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The structure and distribution of the macrobenthic communities were studied in the southwestern Kara Sea. The material was
collected in Baidaratskaya Bay in July 2007 and in a section running westward of the Yamal Peninsula in September 2007. The
depths of the sampling stations ranged from 5 to 25 m in the Baidaratskaya Bay area and between 16 and 46 m in the Yamal section.
A total of 212 benthic invertebrate species were recorded. In both areas, Bivalvia was the group with the highest biomass
(54.88 g/m2 in the Yamal section and 59.71 g/m2 in the Baidaratskaya Bay area), while polychaetes were the group with the highest number of species (45 in the Yamal section
and 64 the Baidaratskaya Bay area). Three major macrozoobenthic communities were recognized: the Astarte borealis community (20–46 m, the deepest sampling stations in both areas); the “medium-depth” community (10–20 m, extremely mosaic,
usually dominated by Serripes groenlandicus); and the Nephtys longosetosa community (depth smaller than 10 m, characterized by low biomass and the absence of large bivalves and echinoderms). The
western Yamal shallow-water communities were shown to be generally similar to those of Baidaratskaya Bay. The comparison of
these results with those of the benthos censuses performed in 1927–1945, 1975, and 1993 showed that the benthic communities
in the southwestern Kara Sea remained relatively stable during the second half of the 20th century and the early 21st century. 相似文献
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Kozlovskiy V. V. Chikina M. V. Shabalin N. V. Basin A. B. Mokievskiy V. O. Kucheruk N. V. 《Oceanology》2019,59(3):367-373
Oceanology - A study was performed in 2003 during the cruise of the R/V Professor Shtokman. A single sampling grid and similar approaches to community identification and analysis were used for both... 相似文献
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Water Resources - Observation data on salinity variations in the Gulf of Taganrog during storm surges are analyzed; a mathematical model of the transport of salt water masses is described in... 相似文献
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Dgebuadze P. Yu. Basin A. B. Chikina M. V. Udalov A. A. Balakin A. A. Razgon I. L. Ermilova Yu. V. Chava V. A. Gebruk A. A. Shabalin N. V. Mokievsky V. O. 《Oceanology》2021,61(6):976-983
Oceanology - A benthic survey is carried out at the typical location of the bivalve species Portlandia aestuariorum in the Pechora Bay of the Barents Sea. The benthic survey using trawling and grab... 相似文献
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Astronomy Reports - In 1964, Ya.B. Zeldovich formulated the problem of light propagation in the Universe under the influence of inhomogeneities. It is reduced to describing the divergence of two... 相似文献
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Astronomy Reports - An Erratum to this paper has been published: https://doi.org/10.1134/S1063772921340035 相似文献
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Water Resources - Water flow in the Don R. delta is described by a system of Saint-Venant equations written in the characteristic form. The calculation domain is represented as a graph with edges... 相似文献