Известия Тихоокеанского научно-исследовательского рыбохозяйственного центра最新文献

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Communities of macrozoobenthos on soft sediments in the coastal areas of open parts of Peter the Great Bay, Japan Sea and their ecological status 日本海彼得斯大湾沿岸开阔地区软沉积物大型底栖动物群落及其生态状况
A. V. Moshchenko, T. A. Belan, B. M. Borisov
{"title":"Communities of macrozoobenthos on soft sediments in the coastal areas of open parts of Peter the Great Bay, Japan Sea and their ecological status","authors":"A. V. Moshchenko, T. A. Belan, B. M. Borisov","doi":"10.26428/1606-9919-2023-203-581-600","DOIUrl":"https://doi.org/10.26428/1606-9919-2023-203-581-600","url":null,"abstract":"At least 10 communities of macrozoobenthos are determined by modern statistical methods on soft sediments in the coastal areas of Peter the Great Bay with the depth of ≥ 5 m surveyed in 1992, 1993 and 1996. They were: I. Scoletoma spp. + Ophiura sarsii; II. Aphelochaeta pacifica (I–II — in the Strelok Bay and Rifovaya Inlet); III. O. sarsii + Amphiodia fissa; IV. Scoletoma spp. + Mactra chinensis; V. Scoletoma spp. + Maldane sarsi; VI. Acila insignis (III–VI — in the Posyet Bay and adjacent area); VII. Scoletoma spp. + Echinocardium cordatum; VIII. Dipolydora cardalia + M. sarsi + O. sarsii; IX. Spiophanes uschakovi + E. cordatum, and X. Ampelisca macrocephala (VII–X — in the area at the Tumannaya/Tumen River mouth). Their development was determined by such environmental imperatives as the bottom sediments properties (silting degree, mean grain size), depth, and level of pollution and eutrophication. Majority of these communities (I, III, IV, V, VII, VIII, IX, and X) were in good ecological condition. Their habitats were slightly disturbed (intact or almost intact) and rare or never polluted and eutrophicated. The community II occupied more disturbed habitats with moderate ecological status reflected in higher indices of pollution. This community was rather likely formed in the process of succession in conditions of decreasing pollution. The community VI had a lower ecological status; its differentiation was probably caused by specific oceanographic regime of the Posyet Bay and anthropogenic impacts.","PeriodicalId":491504,"journal":{"name":"Известия Тихоокеанского научно-исследовательского рыбохозяйственного центра","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136357927","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 state of the ichthyocene in Lake Leb- edinoye (Iturup Island) in connection with functioning of salmon hatcheries Leb- edinoye湖(伊图鲁普岛)鱼新世状况与鲑鱼孵化场功能的关系
O. V. Zelennikov, R. A. Semenov
{"title":"On state of the ichthyocene in Lake Leb- edinoye (Iturup Island) in connection with functioning of salmon hatcheries","authors":"O. V. Zelennikov, R. A. Semenov","doi":"10.26428/1606-9919-2023-203-490-498","DOIUrl":"https://doi.org/10.26428/1606-9919-2023-203-490-498","url":null,"abstract":"Fish species distribution in Lake Lebedinoye is considered. The samples were collected by fry seine along entire coast of the lake. Ten species of fish were sampled in the coastal zone; juveniles of chum salmon Oncorhynhus keta, amur stickleback Pungitius sinensis, and japanese dace Tribolodon hakonensis were rather abundant, other species were few in number. Japanese huchen Parahucho perryi were noted among the latter species: both juveniles of different age and an adult specimen of ≈ 2 kg weight were caught.","PeriodicalId":491504,"journal":{"name":"Известия Тихоокеанского научно-исследовательского рыбохозяйственного центра","volume":"14 5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136356737","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
Gametogenesis of pacific salmon. 1. Pink salmon <i>Oncorhynchus gorbuscha</i> 太平洋鲑鱼的配子发生。1. 粉红鲑鱼&lt;i&gt;Oncorhynchus gorbuscha&lt;/i&gt;
O. V. Zelennikov
{"title":"Gametogenesis of pacific salmon. 1. Pink salmon &lt;i&gt;Oncorhynchus gorbuscha&lt;/i&gt;","authors":"O. V. Zelennikov","doi":"10.26428/1606-9919-2023-203-499-518","DOIUrl":"https://doi.org/10.26428/1606-9919-2023-203-499-518","url":null,"abstract":"Cited information on gametogenesis of pink salmon Oncorhynchus gorbuscha Walbaum is summarized. Periods of indifferent development and sex differentiation are considered, development of the testes and ovaries is traced, and the fertility formation is analyzed. Regularities of sex reversion, unique for salmonids, and evolutionarily acquired specific features of oogenesis associated with a short life cycle are noted.","PeriodicalId":491504,"journal":{"name":"Известия Тихоокеанского научно-исследовательского рыбохозяйственного центра","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136357247","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
New data on biology and captures of <i>Erimacrus isenbeckii</i> (Decapoda: Cheiragonidae) in the Shelikhov Bay (northern Okhotsk Sea) 关于Erimacrus的生物学和捕获的新数据isenbeckii&lt;/i&gt;舍利霍夫湾(鄂霍次克海北部)的(十足目:螯蟹科)
D. V. Artemenkov, P. Yu. Ivanov, T. B. Morozov, D. O. Sologub
{"title":"New data on biology and captures of &lt;i&gt;Erimacrus isenbeckii&lt;/i&gt; (Decapoda: Cheiragonidae) in the Shelikhov Bay (northern Okhotsk Sea)","authors":"D. V. Artemenkov, P. Yu. Ivanov, T. B. Morozov, D. O. Sologub","doi":"10.26428/1606-9919-2023-203-519-528","DOIUrl":"https://doi.org/10.26428/1606-9919-2023-203-519-528","url":null,"abstract":"New data on biology of hair crab Erimacrus isenbeckii are presented and ecological and geographical variability of this species is discussed. Molting, growth, sex and size structure of the crab are considered on the data collected in the Shelikhov Bay of the Okhotsk Sea in September-October, 2022. The male : female ratio of E. isenbeckii in the trap catches was 14 : 1. Gender differences in their age, weight, and carapace width were not significant (p < 0.05). The maximum size of E. isenbeckii in the Shelikhov Bay was 104 mm that is less the size values at the western coast of Kamchatka, southward from Kamchatka, and in the Aniva Bay of Sakhalin Island, and much smaller the crabs from the waters of Hokkaido Island and Alaska Peninsula. Rather high portion of the males on the 3rd intermolting stage was detected (57 %). The age composition of males varied significantly in dependence on stage of molting (p < 0.05). A freshly molted female on the 1st intermolting stage with an unoccluded genital opening was caught together with its exuvia. After molting, within the crab trap, it had increased the width of carapace in 6 mm. This new information could be used in monitoring of the E. isenbeckii population in the Shelikhov Bay.","PeriodicalId":491504,"journal":{"name":"Известия Тихоокеанского научно-исследовательского рыбохозяйственного центра","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136358548","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
Trophic characteristics of zooplankton and zoobenthos in certain water masses in the western Chukchi Sea, by δ<sup>15</sup>N and δ<sup>13</sup>С data 楚科奇海西部某些水体浮游动物和底栖动物的营养特征,利用δ&lt;sup&gt;15&lt;/sup&gt;N和δ&lt;sup&gt;13&lt;/sup&gt;С数据
K. M. Gorbatenko, I. V. Melnikov
{"title":"Trophic characteristics of zooplankton and zoobenthos in certain water masses in the western Chukchi Sea, by δ&lt;sup&gt;15&lt;/sup&gt;N and δ&lt;sup&gt;13&lt;/sup&gt;С data","authors":"K. M. Gorbatenko, I. V. Melnikov","doi":"10.26428/1606-9919-2023-203-550-566","DOIUrl":"https://doi.org/10.26428/1606-9919-2023-203-550-566","url":null,"abstract":"To compare trophic characteristics for pelagic and bottom communities of zooplankton and zoobenthos in the western Chukchi Sea, isotopic composition of carbon and nitrogen (δ13С and δ15N) is determined for three different types of water masses. The main area of the southwestern part of the sea (to the south of 71оN) is occupied by the surface and subsurface water masses invaded from the Bering Sea with relatively high δ13C and low δ15N values. The cold Arctic waters prevail in the northwestern area. The western periphery of the sea is influenced by the water masses from the East Siberian Sea transported by the alongshore Siberian Current, distinguished by significantly lowered δ13С values and somewhat (by 1–3 ‰) increased δ15N values. A stable difference in the carbon isotopic composition between zooplankton and benthic invertebrates is revealed in the southwestern Chukchi Sea that means that the benthic organisms are based mainly on the bottom food chain, with a minimal input of organic matter from the water column. In the area influenced by the water masses from the East Siberian Sea, benthic invertebrates have the lowest values of δ13С comparable to those of zooplankton that is a sign of organic sediments from the water column utilization, partly terrigenous in origin. The role of primary producers for plankton and benthos in the northwestern Chukchi Sea has not been fully elucidated and requires additional studies. However, the main trophic base for the benthic community is assumed there to be organic matter removed from the water column, originated mainly from ice algae.","PeriodicalId":491504,"journal":{"name":"Известия Тихоокеанского научно-исследовательского рыбохозяйственного центра","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136357928","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
Structure and functional characteristics of zooplankton and food supply for nekton in the western Bering Sea 西白令海浮游动物的结构、功能特征和浮游动物的食物供应
E. P. Dulepova, V. V. Napazakov, N. A. Kuznetsova, M. A. Shebanova
{"title":"Structure and functional characteristics of zooplankton and food supply for nekton in the western Bering Sea","authors":"E. P. Dulepova, V. V. Napazakov, N. A. Kuznetsova, M. A. Shebanova","doi":"10.26428/1606-9919-2023-203-529-549","DOIUrl":"https://doi.org/10.26428/1606-9919-2023-203-529-549","url":null,"abstract":"Structure and functional characteristics of zooplankton and feeding of the most abundant nekton species (pollock, herring and salmons) are analyzed using the data of ecosystem survey in the western Bering Sea in 2020 and compared with the structural indices for 2015−2019. The main patterns of composition and distribution of zooplankton and production of organic matter by zooplankton are determined. High values and turnover rate of production are noted for the non-predatory zooplankton (mainly copepods and euphausiids) in the eastern Anadyr Bay, the area at Cape Navarin, the shelf of Koryak coast, and the continental slope of Olyutorsky Bay. High production of predatory zooplankton (mainly hyperiids) is found on the slope of Karaginsky Bay, presumably because of these species transport from the southern areas with later stage of the seasonal succession. In autumn 2020, walleye pollock and pacific herring consumed from 15 to 55 % of the copepod, euphausiid and hyperiid production. This level of consumption did not affect their food supply because of very high turnover rate of these taxonomic groups of plankton. In the deep-water areas, salmons did not use more than 3 % of their food resource. Thus, the survey data indicate a good food supply for the most abundant nekton species in the western Bering Sea in the fall season.","PeriodicalId":491504,"journal":{"name":"Известия Тихоокеанского научно-исследовательского рыбохозяйственного центра","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136358395","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
Amphipoda in the diet of nekton in the Okhotsk Sea 鄂霍次克海海马饮食中的片足类动物
A. F. Volkov
{"title":"Amphipoda in the diet of nekton in the Okhotsk Sea","authors":"A. F. Volkov","doi":"10.26428/1606-9919-2023-203-567-580","DOIUrl":"https://doi.org/10.26428/1606-9919-2023-203-567-580","url":null,"abstract":"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 species). Amphipods are found in the food of 83 species and are absent for 23 species. Taxonomic composition of Amphipoda coincides in plankton and stomach samples; 3 species of hyperiids dominate here and there: Themisto pacifica, T. libellula, Primno macropa. The portion of amphipods in food is the highest for fish with length of 30–40 cm, decreases for smaller and larger fish, and practically disappears for fish with the length &gt; 60 cm. In the food of mass commercial fish species, as pollock, cod, herring, silverfish, char, and pink, chum, sockeye and cherry salmon, the portion of hyperiids in the food could be almost 100 %, with CI of 200–700 ‱. During the daytime, the portion of large-sized hyperiids decreases up to 3 times, as they descend deeper than 200 m. T. pacifica have the highest biomass in the southern Okhotsk Sea, with a long-term tendency to increasing, and the lowest biomass in the northern Okhotsk Sea, with a tendency to decreasing both in the northern and central parts of the sea. P. macropa have similar spatial patters of distribution, but dynamics of their biomass has negative trend in the northern part, positive trend in the central part, and no trend in the southern part of the sea. On the contrary, the biomass of T. libellula is the highest in the northern Okhotsk Sea.","PeriodicalId":491504,"journal":{"name":"Известия Тихоокеанского научно-исследовательского рыбохозяйственного центра","volume":"61 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136358396","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
Stocks and fishery of cod (<i>Gadus macrocephalus, Gadidae</i>) in the northwestern Bering Sea in 1965–2022 1965-2022年白令海西北部鳕鱼(&lt;i&gt;Gadus macrocephalus, Gadidae&lt;/i&gt;)种群和渔业
A. B. Savin
{"title":"Stocks and fishery of cod (&lt;i&gt;Gadus macrocephalus, Gadidae&lt;/i&gt;) in the northwestern Bering Sea in 1965–2022","authors":"A. B. Savin","doi":"10.26428/1606-9919-2023-203-465-489","DOIUrl":"https://doi.org/10.26428/1606-9919-2023-203-465-489","url":null,"abstract":"For pacific cod in the northwestern Bering Sea, biomass of the summer-fall feeding aggregations in the specified area of their highest density (polygon) is considered as a stock unit. The fish in these aggregations belong to the populations spawn in both local and adjacent areas. The stock values, biological parameters, and annual catches are determined for the period from 1965 to 2022 on the materials collected in research surveys and commercial expeditions, as well as on the data of fishery statistics and cited data. The average length of cod caught by different commercial fishing gears is determined as 42.01 cm for Danish seine, 53.01 cm for bottom trawls, 58.15 cm for midwater trawls, 61.94 cm for longlines. The midwater and bottom trawls used in research surveys are equipped with the rigging for better account of juvenile fish, therefore the average length of cod in their catches is 46.42 and 36.52 cm, respectively. The cod aged from 3 to 12 years are presented in the longline catches, with the modal group of 5 years old, but the age range is wider for bottom trawls, from yearlings to 12–13 years old fish, with a modal group varying from 2 to 5 years old in different years. The parameters of von Bertalanffy equation of linear growth for pacific cod are determined as: L∞ = 111.993 cm, K = 0.159, and t0 = –0.024 and for the equation of weight growth rate: W∞ = 14.006 kg, K = 0.245, and t0 = 1.221. The age of mass maturation is 4.4 years. The instantaneous coefficient of natural mortality, calculated by Tyurin, is age-dependent, with the minimum for 5 years old fish (0.345 year–1), 1.245 year–1 for yearlings, 1.231 year–1 for 11 years old fish, and 1.860 year–1 for 12 years old fish. History of the cod fishery in the northwestern Bering Sea is traced since its start in 1965. The cod fishery was realized with various types of fishing vessels (from small seiners to supertrawlers) and fishing gears, but the bulk of annual catch was landed with longlines (65.9 % in the 2010–2022, whereas only 21.4 % was landed with bottom trawls and 12.7 % with Danish seine). Overfishing happened in 1971, when the annual catch increased to 91,600 t on the background of poor replenishment, after that the catch decreased to 760–1420 t in 1976–1979. Then the stock had recovered and the catch increased from 3890 t in 1980 to 58,480 t in 1986. Next decline to 13,810 t in 2009 was followed by a new growth to the record value of 106.2 . 103 t in 2020, but recently the annual catch decreased again (61.5 . 103 t in 2022). This dynamics corresponded to the stock fluctuations: according to the trawl surveys data, the spawning stock within the polygon ranged between 66.5–282.6 . 103 tons in the 1965–1974, decreased to 24.5 . 103 t in 1977 because of overfishing, gradually recovered to 108.1 . 103 t in 1980, 173.0 . 103 t in 1982, and 561.6 . 103 t in 2000, then declined again to 151.4 . 103 t in 2001 and grew in the last two decades to the maximum values of 1,297.9 . 103 t in 2018. Recently a ra","PeriodicalId":491504,"journal":{"name":"Известия Тихоокеанского научно-исследовательского рыбохозяйственного центра","volume":"90 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136358558","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: 1
PInk salmon <i>Oncorhynchus gorbuscha</i> (Salmoniformes, Salmonidae) on the continental coast of the Okhotsk Sea. Communication 1. The juveniles 粉红鲑鱼&lt;i&gt;Oncorhynchus gorbuscha&lt;/i&gt;鄂霍次克海大陆海岸的鲑科动物。沟通1。例︰
S. L. Marchenko
{"title":"PInk salmon &lt;i&gt;Oncorhynchus gorbuscha&lt;/i&gt; (Salmoniformes, Salmonidae) on the continental coast of the Okhotsk Sea. Communication 1. The juveniles","authors":"S. L. Marchenko","doi":"10.26428/1606-9919-2023-203-3-15","DOIUrl":"https://doi.org/10.26428/1606-9919-2023-203-3-15","url":null,"abstract":"Data on juvenile pink salmon from the continental coast of the Okhotsk Sea obtained in 1960s–2010s are summarized. The timing and dynamics of their downstream migration are considered in terms of biological parameters and nutrition. Brief information on their early marine life is presented. The mass seaward migration of pink salmon begins when the river water is warmed to 2.5–4.0 о C. The juveniles migrate from rivers to the coastal marine waters diurnally. During the seaward migration, their body length and weight do not change significantly, as a rule, but a portion of fish with external feeding increases. Year-toyearly, in the rivers the portion of juveniles switched to external feeding is higher in the years with mild spring flood.","PeriodicalId":491504,"journal":{"name":"Известия Тихоокеанского научно-исследовательского рыбохозяйственного центра","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-04-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136268715","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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