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The researches of the aquatic biological resources of Kamchatka and the North-West Part of the Pacific Ocean最新文献

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Feeding and trophic interactions of plankton Crustaceans in the pelagic zone of the Azabachye Lake 阿扎巴切湖浮游生物甲壳动物的摄食和营养相互作用
The researches of the aquatic biological resources of Kamchatka and the North-West Part of the Pacific Ocean Pub Date : 2024-01-13 DOI: 10.15853/2072-8212.2023.70.38-52
L. A. Bazarkina
{"title":"Feeding and trophic interactions of plankton Crustaceans in the pelagic zone of the Azabachye Lake","authors":"L. A. Bazarkina","doi":"10.15853/2072-8212.2023.70.38-52","DOIUrl":"https://doi.org/10.15853/2072-8212.2023.70.38-52","url":null,"abstract":"   Characteristics of feeding mechanisms, forage composition and methods of analysis of the diet of plankton crustacean are demonstrated based on reviewed and author’s data. Preferable forage species for the mass plankton crustaceans Cyclops scutifer and Daphnia galeata in the lake Azabachye were figured out using methods of population ecology. It is revealed, that reproduction of the cyclops and daphnia populations prospers due to Aulacoseira subarctica. In the periods of poor vegetation of the diatom the cyclops have been feeding on shell-less rotifers, and in particular years – on the diatoms of the genera Stephanodiscus. In the years of vigorous bloom of  Bacillariophyta the daphnias filter small cells of diatom (S. minutulus) or blue-green (Gloeocapsa sp.) algae. In case of suggested similarity in the forage organisms between small numbered Eurytemora kurenkovi and abundant C. scutifer, there was no competition observed between the copepods. The main forage component for predator Leptodora kindti was juvenile D. galeata. It is concluded based on the analysis, that intense competition between plankton crustaceans does not raise in the Azabachye Lake.","PeriodicalId":508003,"journal":{"name":"The researches of the aquatic biological resources of Kamchatka and the North-West Part of the Pacific Ocean","volume":"13 8","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139531195","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
On the issue of optimizing snow crab fishing in the Gulf of Shelikhov, the Sea of Okhotsk 关于优化鄂霍次克海谢利霍夫湾雪蟹捕捞的问题
The researches of the aquatic biological resources of Kamchatka and the North-West Part of the Pacific Ocean Pub Date : 2024-01-12 DOI: 10.15853/2072-8212.2023.70.27-37
E. Shaginyan
{"title":"On the issue of optimizing snow crab fishing in the Gulf of Shelikhov, the Sea of Okhotsk","authors":"E. Shaginyan","doi":"10.15853/2072-8212.2023.70.27-37","DOIUrl":"https://doi.org/10.15853/2072-8212.2023.70.27-37","url":null,"abstract":"   Existance of commercial snow crab aggregations for target fishing has been discovered in the Gulf of Shelikhov, the Sea of Okhotsk, based on the survey data for 2014 and 2021–2022. Sites of higher densities of snow crab have been figured. Analysis of sex ratio and size composition of the catches was made, and the catch values per an fishing effort and stock abundance of commercial males were estimated. In order to involve mentioned snow crab stock of the Gulf of Shelikhov, a ban for the fishing of snow crab has been recommended in the West Kamchatka subzone southward from 59°15´ N.","PeriodicalId":508003,"journal":{"name":"The researches of the aquatic biological resources of Kamchatka and the North-West Part of the Pacific Ocean","volume":"15 3","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139531500","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Assessment of the regional composition of juvenile chum salmon mixed aggregations in the Sea of Okhotsk based on results of genetic assay 根据基因检测结果评估鄂霍次克海幼年大马哈鱼混合群的区域组成
The researches of the aquatic biological resources of Kamchatka and the North-West Part of the Pacific Ocean Pub Date : 2024-01-12 DOI: 10.15853/2072-8212.2023.70.5-26
A. Denisenko, U. O. Muravskaya, O. Pilganchuk, N. Shpigalskaya, V. V. Savenkov, O. V. Zikunova
{"title":"Assessment of the regional composition of juvenile chum salmon mixed aggregations in the Sea of Okhotsk based on results of genetic assay","authors":"A. Denisenko, U. O. Muravskaya, O. Pilganchuk, N. Shpigalskaya, V. V. Savenkov, O. V. Zikunova","doi":"10.15853/2072-8212.2023.70.5-26","DOIUrl":"https://doi.org/10.15853/2072-8212.2023.70.5-26","url":null,"abstract":"   Genetic differentiation of chum salmon in the basin of the Sea of Okhotsk is demonstrated. Eight microsatellite loci (Ssa20.19, One101, Oke3, Oki1b, Oki23, Ogo2G, Oke11, Ots102) were used as genetic markers. Four original genetic regions of chum salmon reproduction have been figured out: West Kamchatka and northern part of the continental coast of the Sea of Okhotsk, Sakhalin, Ithurup (the Kuril Islands), the Amur basin, where the part of juvenile fish was found as a result of genetic identification in the mixed aggregations in the early period of marine feeding. The resolution ability of the reference database was within the limits 74.9–94.6 %. It was demonstrated based on results of the genetic identification, that juveniles from West Kamchatka and northern part of the continental coast of the Sea of Okhotsk dominate in the northern part of the Sea of Okhotsk. Majority of individuals examined in the central zone of the survey area (54 %) was from the Kuril Islands. A number of juvenile chum salmon from the Amur River basin and Sakhalin were recorded at the stations in vicinity of Sakhalin coast.","PeriodicalId":508003,"journal":{"name":"The researches of the aquatic biological resources of Kamchatka and the North-West Part of the Pacific Ocean","volume":"53 3","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139532858","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The structure of the scales of juvenile sockeye salmon of Nachikinskoe Lake (Western Kamchatka) 纳奇金斯克耶湖（西堪察加）红鲑幼鱼的鳞片结构
The researches of the aquatic biological resources of Kamchatka and the North-West Part of the Pacific Ocean Pub Date : 2023-12-14 DOI: 10.15853/2072-8212.2023.69.85-90
O. M. Zaporozhets, G. V. Zaporozhets, S. Shubkin
{"title":"The structure of the scales of juvenile sockeye salmon of Nachikinskoe Lake (Western Kamchatka)","authors":"O. M. Zaporozhets, G. V. Zaporozhets, S. Shubkin","doi":"10.15853/2072-8212.2023.69.85-90","DOIUrl":"https://doi.org/10.15853/2072-8212.2023.69.85-90","url":null,"abstract":"Analysis of biometric data of juvenile sockeye salmon caught during the run to sea in the channel from Nachikinskoe Lake was carried out in order to clarify the question of the minimum possible number of sclerites on the scales to the 1st annual ring. For the first time, the study of the features of the scale structure of juvenile sockeye salmon of different ages was carried out. The differences revealed between groups of individuals of different age categories are highly reliable not only in weight and length, but also in the total circuli number in the freshwater zone and circuli number to the first annual ring (6.0 ± 0.1 in yearlings, 3.9 ± 0.3 in two-year-olds); physiological explanation for these differences is proposed. On the basis of the scleritograms constructed, a comparison of other features of the scale structure of the juvenile migrants of different ages was carried out. The key characteristics obtained are recommended as clarifying criteria in reading the freshwater age of juvenile sockeye salmon in Nachikinskoe Lake.","PeriodicalId":508003,"journal":{"name":"The researches of the aquatic biological resources of Kamchatka and the North-West Part of the Pacific Ocean","volume":"223 ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139179960","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Limnological exploration of the Nalychevo Lake 纳利切沃湖湖沼学探索
The researches of the aquatic biological resources of Kamchatka and the North-West Part of the Pacific Ocean Pub Date : 2023-12-14 DOI: 10.15853/2072-8212.2023.69.91-96
A. S. Nikolaev, E. Lepskaya
{"title":"Limnological exploration of the Nalychevo Lake","authors":"A. S. Nikolaev, E. Lepskaya","doi":"10.15853/2072-8212.2023.69.91-96","DOIUrl":"https://doi.org/10.15853/2072-8212.2023.69.91-96","url":null,"abstract":"The first data on the morphometry of the Nalychevo Lake are obtained from the echo sounding survey accomplished by A. S. Nikolaev in 1994 and bathymetric scheme constructed on the results; morphometric characteristics of the lake are calculated.","PeriodicalId":508003,"journal":{"name":"The researches of the aquatic biological resources of Kamchatka and the North-West Part of the Pacific Ocean","volume":"112 ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139179057","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Таxonomical composition of fish parasites of the Penzhina and Talovka Rivers (the Sea of Okhotsk basin) 彭日纳河和塔洛夫卡河（鄂霍次克海流域）鱼类寄生虫的生态组成
The researches of the aquatic biological resources of Kamchatka and the North-West Part of the Pacific Ocean Pub Date : 2023-12-13 DOI: 10.15853/2072-8212.2023.69.55-69
T. E. Boutorina, О. Y. Busarova
{"title":"Таxonomical composition of fish parasites of the Penzhina and Talovka Rivers (the Sea of Okhotsk basin)","authors":"T. E. Boutorina, О. Y. Busarova","doi":"10.15853/2072-8212.2023.69.55-69","DOIUrl":"https://doi.org/10.15853/2072-8212.2023.69.55-69","url":null,"abstract":"Information on the fish parasite species revealed in the Penzhina and Talovka Rivers and Penzhina Bay of the Sea of Okhotsk (Northwestern Kamchatka) ordered systematically for the first time is presented in this paper. Hosts, infection rates, localization, and author of finding are listed for each parasite species. The fish parasites of the Penzhina River basin included 114 species from 13 classes, 22 orders, 39 families, 61 genera, and 27 of them were recorded for the first time, while new hosts were indicated for 23 species.","PeriodicalId":508003,"journal":{"name":"The researches of the aquatic biological resources of Kamchatka and the North-West Part of the Pacific Ocean","volume":"33 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139181563","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Juvenile feeding of pacific salmon in the lower part of the Pymta River in May–September, 2019–2020 2019-2020 年 5-9 月皮姆塔河下游太平洋鲑鱼幼鱼觅食情况
The researches of the aquatic biological resources of Kamchatka and the North-West Part of the Pacific Ocean Pub Date : 2023-12-13 DOI: 10.15853/2072-8212.2023.69.70-84
T. N. Travina, A. I. Gerlits
{"title":"Juvenile feeding of pacific salmon in the lower part of the Pymta River in May–September, 2019–2020","authors":"T. N. Travina, A. I. Gerlits","doi":"10.15853/2072-8212.2023.69.70-84","DOIUrl":"https://doi.org/10.15853/2072-8212.2023.69.70-84","url":null,"abstract":"Comparative analysis of feeding in the lower part of the Pymta River (West Kamchatka) is carried out for juvenile Pacific salmon individuals of different age representing four species with a short or long freshwater period of their life cycle (chum salmon Oncorhynchus keta, sockeye salmon O. nerka, coho salmon O. kisutsch and Chinook salmon O. tschawytscha) for the period from May to September in 2019–2020. Spectra of food, stomach fullness indices and degree of food similarity between juveniles of different species and age classes are demonstrated. The feeding in all mentioned species was biotop-dependent. There were frequent changes in the composition of the forage consumed in the course of observations of Pacific salmon juveniles in the Pymta River basin, and the indices of stomach fullness varied extensively. The results of the analysis indicate extensive trophic adaptability in juvenile Pacific salmon in the ecosystem of the Pymta River.","PeriodicalId":508003,"journal":{"name":"The researches of the aquatic biological resources of Kamchatka and the North-West Part of the Pacific Ocean","volume":"11 4","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139181570","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Size-age and sex-age structure of flounders in the northern part of the Sea of Okhotsk in 1997–2019 1997-2019年鄂霍次克海北部鲽鱼的大小-年龄和性别-年龄结构
The researches of the aquatic biological resources of Kamchatka and the North-West Part of the Pacific Ocean Pub Date : 2023-12-13 DOI: 10.15853/2072-8212.2023.69.27-54
R. Yusupov, Yu. K. Semenov
{"title":"Size-age and sex-age structure of flounders in the northern part of the Sea of Okhotsk in 1997–2019","authors":"R. Yusupov, Yu. K. Semenov","doi":"10.15853/2072-8212.2023.69.27-54","DOIUrl":"https://doi.org/10.15853/2072-8212.2023.69.27-54","url":null,"abstract":"Data on the biological structure of flounder species in the northern part of the Sea of Okhotsk based on samples collected in 2002–2019 are given. It is shown that the conception developed on literature sources (Моисеев, 1953; Фадеев, 1987; Борец, 1997) that flounders in the northern part of the Sea of Okhotsk are small-sized species living in extreme conditions, does not confirm our data. The maximum size and age of the flounders in examined area are comparable or even exceed those of similar species from the adjacent areas of the Sea of Okhotsk and, in general, the North Pacific. Data on the temporal dynamics of their biological parameters are given.","PeriodicalId":508003,"journal":{"name":"The researches of the aquatic biological resources of Kamchatka and the North-West Part of the Pacific Ocean","volume":"339 12","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139181143","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Winter-autumn fishery of walleye pollock Gadus chalcogrammus (Gadidae) by bottom gill nets in the Kunashir Strait in 1999–2022 1999-2022 年库纳希尔海峡底层刺网冬秋季捕捞马眼狭鳕（Gadus chalcogrammus）的情况
The researches of the aquatic biological resources of Kamchatka and the North-West Part of the Pacific Ocean Pub Date : 2023-12-13 DOI: 10.15853/2072-8212.2023.69.5-26
K. S. Tok
{"title":"Winter-autumn fishery of walleye pollock Gadus chalcogrammus (Gadidae) by bottom gill nets in the Kunashir Strait in 1999–2022","authors":"K. S. Tok","doi":"10.15853/2072-8212.2023.69.5-26","DOIUrl":"https://doi.org/10.15853/2072-8212.2023.69.5-26","url":null,"abstract":"Japanese gill net fishery of walleye pollock in the Kunashir Strait, also well-known as local spawning grounds of this species, has been carried out in the eastern (Russian) part for more than 20 years. The results of the fishery allow us to consider general trends in the long-term changes of the local stock in mentioned dynamic and still underexamined area on the border of the Sea of Okhotsk and the Pacific Ocean. The use of a large series of standardized catch per effort as an index of stock biomass indicates specific dynamics of walleye pollock stock biomass in the Kunashir Strait, different from the behavior in the adjacent ocean waters of the southern Kuril Islands. On the background of a long-term trend of decreasing catch per effort in the Kunashir Strait, the CPUE in the ocean waters of the islands, as well as in the southern part of the Sea of Okhotsk, demonstrates opposite trend of increase of this parameter.","PeriodicalId":508003,"journal":{"name":"The researches of the aquatic biological resources of Kamchatka and the North-West Part of the Pacific Ocean","volume":"66 2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139181675","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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