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Микроэлементы в почвах и растительности Тюменского Федерального заказника

Authors: Boyev, V. A.;

Микроэлементы в почвах и растительности Тюменского Федерального заказника

Abstract

Presented research results for content of the trace elements in soil and vegetation of the Tyumen federal wildlife preserve. Using the atomic absorption spectroscopy the content of the movable form of 8 trace elements in ground was determined (acetate ammonium buffer used as extraction agent, рН – 4,8) as well as the content of these elements in plants of the Tyumen federal wildlife preserve. Shown that the content of movable forms of virtually all of examined elements in soil of the Tyumen federal wildlife preserve varies in a small range, while the content of movable forms of Zn, Cu, Co, Ni, Pb not exceeded the maximum permissible concentrations. Stated that content of trace elements in plants are varied in a wide range and determined by the specific peculiarities of plants. By calculating the percentage of samples with excessive and insufficient concentrations of trace elements we obtained some series reflecting regularities of trace elements accumulation in the ground of wildlife preserve. It was discovered that the most concentrating element in plants of the Tyumen federal wildlife preserve is nickel then manganese and cadmium, while plants have not enough provision of iron and copper. Shown that there are no significant problems with the ecological situation in Tyumen federal wildlife preserve, as no excessive concentrations of examined trace elements was detected. However, found some insufficiency of iron and copper in plants which can be eliminated by applying micro-fertilizers with such elements in stern grass vegetation areas for winter additional fourage for animals.

Представлены результаты исследований содержания микроэлементов в почвах и растениях Тюменского федерального заказника. Было проведено определение содержания подвижных форм 8 микроэлементов в почвах (экстрагент – ацетатно аммонийный буфер, рН – 4,8) и содержание этих элементов в растениях атомно-абсорбционным методом. Показано, что содержание подвижных форм практически всех исследованных элементов в почвах Тюменского федерального заказника колеблется в незначительных пределах, а содержание подвижных форм Zn, Cu, Co, Ni, Pb не превышает предельно допустимых концентраций. Установлено, что содержание микроэлементов в растениях колеблется в широких пределах, которое определяется видовыми особенностями растений путем подсчета процентного содержания проб с избыточными и недостаточными концентрациями микроэлементов были получены ряды, отражающие закономерности накопления микроэлементов растениями заказника. Выявлено, что в наибольшей степени в растениях Тюменского федерального заказника концентрируется никель, затем следуют марганец и кадмий; в то же время растения недостаточно обеспечены железом и медью. Показано, что экологическая ситуация в Тюменском федеральном заказнике является благополучной, поскольку в почвах и растительности не наблюдается превышения предельно допустимых концентраций исследованных микроэлементов, однако имеет место недостаточное содержание в растениях меди и железа, которое можно устранить внесением микроудобрений содержащих эти элементы, на участках, где выращиваются кормовые травы для подкормки животных в зимний период.

Keywords

фоновая территория, specially protected area, trace element, особо охраняемая территория, the background area, микроэлемент

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green