Titlebook: Radioecology in Northern European Seas; Dmitry G. Matishov,Gennady G. Matishov Book 2004 Springer-Verlag Berlin Heidelberg 2004 Arctic.Coa

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书目名称Radioecology in Northern European Seas影响因子(影响力)




书目名称Radioecology in Northern European Seas影响因子(影响力)学科排名




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书目名称Radioecology in Northern European Seas网络公开度学科排名




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书目名称Radioecology in Northern European Seas被引频次学科排名




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书目名称Radioecology in Northern European Seas读者反馈学科排名

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Marine vertebrates,pulation of the Barents Sea includes more than 150 species; about 20 of them are of marketable value. During the last decades the annual catches of Barents Sea fish have varied from 2 to 4 million tons (Matishov end Denisov 2000). During the period 1950–1970s the catches of Barents Sea cod reached 1.0–1.4 million tons annually.

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Sources and pathways of artificial radionuclides in northern seas,ts of the marine ecosystem are low. Moreover since the beginning of the 1980s, decreasing concentrations of artificial radionuclides has been the trend for northern seas, con­sidering both physical and ecological pathways of radionuclide transport. The content, ratio and behaviour of isotopes, as we

defray

The pelagic ecosystem,Cl, Na, Mg, S, Ca, K, Br, C, Sr, B, F) dominate in the salt composition of seawater (99.98 %) (Vernadsky 1926; Vinogradov 1967). The natural radioactivity of seawater is dominated by the radionuclide .K. The contribution of other radionuclides (e.g. .Ra and others) is small, totaling about 1 % of th

寒冷

The benthic zone,ish fauna, bot­tom waters and porewater in sediments. The process of accumulation of sus­pended and dissolved radionuclides on the shelf, continental slope and further on the Ocean bottom is determined by a number of natural factors. The dependence of radioactive pollution of the sea bottom ecosyste

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