Features of CU and MN accumulation by bottom sediments of the Caspian Sea
The main sources of chemical elements for aquatic organisms are sea water and bottom sediments, and the levels of chemical elements in organisms depend on the level of these elements in the environment. The Caspian Sea is a special biogeochemical province with geochemical barriers in the area of mix...
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| Veröffentlicht in: | IOP conference series. Earth and environmental science 2021-03, Vol.723 (4), p.42032 |
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| creator | Ershova, T S Chaplygin, V A Zaitsev, V F Khursanov, A S |
| description | The main sources of chemical elements for aquatic organisms are sea water and bottom sediments, and the levels of chemical elements in organisms depend on the level of these elements in the environment. The Caspian Sea is a special biogeochemical province with geochemical barriers in the area of mixing of river and sea waters, therefore, the study of its biogeochemical background, the peculiarities of the chemical composition of bottom sediments is the relevance of the work. The aim of this work was to reveal the content of manganese and copper in the bottom sediments of the Caspian Sea. The study revealed low concentrations of copper and relatively high manganese in the bottom sediments of the Caspian Sea, which is primarily due to the parent rocks of the Caspian lowland, which are poor in Cu, but rich in Mn. The results of biogeochemical analysis of bottom sediments of the ecosystem of the Caspian Sea serve as material for resolving the issue of the role of biogenic transformation of microelements in the cycle of substances. |
| doi_str_mv | 10.1088/1755-1315/723/4/042032 |
| format | Article |
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| subjects | Aquatic organisms Biogeochemistry Bottom sediments Chemical analysis Chemical composition Chemical elements Copper Low concentrations Manganese Seawater Sediments Trace elements Water analysis |
| title | Features of CU and MN accumulation by bottom sediments of the Caspian Sea |
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