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pro vyhledávání: '"A. F. Volkov"'
Autor:
A. F. Volkov
Publikováno v:
Известия ТИНРО, Vol 204, Iss 3, Pp 683-704 (2024)
Feeding habits of salmon are examined on the data from “Trophology” and “Zooplankton” databases for 1988–2023, taking into account calendar dates and spatial localiza tion of the salmon size classes. The dominant zooplankton species and gro
Externí odkaz:
https://doaj.org/article/4e32b14f95534479942397e08c4a3100
Autor:
A. F. Volkov
Publikováno v:
Известия ТИНРО, Vol 203, Iss 3, Pp 567-580 (2023)
Amphipods (mainly hyperiids) are among the top-five taxonomic groups in the diet of many nekton species. Feeding of 106 nekton species dwelled in the Okhotsk Sea is considered (though 93 % of the stomach samples were collected from only 20 mass spec
Externí odkaz:
https://doaj.org/article/b029975b497341f58d1c4d25de8902fd
Autor:
A. F. Volkov
Publikováno v:
Известия ТИНРО, Vol 203, Iss 3, Pp 710-721 (2023)
A method for grouping one-degree trapezoids into biostatistical areas of any size is proposed. For this purpose, all stations of survey are marked by the number of trapezoid, its area and central coordinates. Then the stations are sorted by the trape
Externí odkaz:
https://doaj.org/article/d38121431386408c84a36b3c9c0e03c7
Autor:
A. F. Volkov
Publikováno v:
Известия ТИНРО, Vol 202, Iss 2, Pp 390-408 (2022)
Significance of larvaceans (class Appendicularia) for plankton community and feeding of nekton in the Far-Eastern Seas and North Pacific is underestimated, this group of species is poorly represented in scientific literature. The total biomass of lar
Externí odkaz:
https://doaj.org/article/80085efb88d44a71aba98132ad3956f8
Autor:
A. F. Volkov
Publikováno v:
Известия ТИНРО, Vol 1, Iss 0, Pp 37-45 (2022)
Ctenophores, hydroid jellyfish, appendicularians, salpas, and the pteropoda mollusk Clione limacina, conditionally combined into the group of “jellyfish”, are found in the food of all Pacific salmon — chum salmon, pink salmon, sockeye salmon, c
Externí odkaz:
https://doaj.org/article/83e3e6ac5dbc41a6942531d31e91c121
Autor:
A. F. Volkov
Publikováno v:
Известия ТИНРО, Vol 200, Iss 4, Pp 1028-1039 (2020)
Spatial distribution of stations made in research expeditions conducted by Pacific Res. Inst. of Fisheries and Oceanography (TINRO) in the Bering and Chukchi Seas and in the North Pacific in 1986–2019 is discussed. Schemes of the stations for every
Externí odkaz:
https://doaj.org/article/3c2cff28e2d346e695cd5cc47cb97e8d
Schemes of multi-parameter stations in the Okhotsk Sea made in research cruises of TINRO (1984–2019)
Autor:
A. F. Volkov
Publikováno v:
Известия ТИНРО, Vol 200, Iss 4, Pp 1016-1027 (2020)
Spatial distribution of stations made by research expeditions of TINRO in the Okhotsk Sea in 1984–2019 (82 surveys) is considered. The schemes of stations are sorted by decades, years, seasons, and months. Information the number of daylight and nig
Externí odkaz:
https://doaj.org/article/365534cdbc0a41129b7a68f7ef9b011b
Autor:
A. F. Volkov
Publikováno v:
Известия ТИНРО, Vol 198, Iss 3, Pp 239-261 (2019)
Structure of the databases «Zooplankton…» and «Nekton trophology» is described and some techniques are proposed for nekton studies using these bases in conjunction with the database «Marine Biology». All three databases are regularly updated.
Externí odkaz:
https://doaj.org/article/1632289e94b54eb48f0e336940d87877
Autor:
A. F. Volkov
Publikováno v:
Известия ТИНРО, Vol 194, Iss 3, Pp 113-129 (2018)
Data on abundance and biomass of mass arrowworm Sagitta elegans in the Okhotsk Sea are presented, by size classes, on the base of plankton surveys conducted by Pacific Fish. Res. Center (TINRO) in 1984–2017. S. elegans spawns throughout the year, w
Externí odkaz:
https://doaj.org/article/c1df479d83064aefaeace14c612e669d
Autor:
A. F. Volkov
Publikováno v:
Известия ТИНРО, Vol 192, Iss 1, Pp 121-135 (2018)
Two periods are clearly distinguished within the last two decades (1997–2017) by several quantitative parameters of the plankton community in the northern shelf zone of the Okhotsk Sea: the period of high productivity in the 1997–2005 with the bi
Externí odkaz:
https://doaj.org/article/6ec426eab6d44b94b44f0e8afcafcf3d