Microbiological transformation of carbon and nitrogen compounds in forest soils of Central Evenkia : научное издание

Sorokin N.D.; Aleksandrov D.E.; Grodnitskaya I.D.; Evgrafova S.Yu.

Дополнительные ссылки: РИНЦ

База данных: Каталог библиотеки СФУ

Библиографическое описание: Microbiological transformation of carbon and nitrogen compounds in forest soils of Central Evenkia : научное издание / N. D. Sorokin [et al.]. - Текст : непосредственный // Eurasian Soil Science. - 2017. - Т. 50, № 4. - P. 476-482. - ISSN 1064-2293. - ISSN 1531-8389, DOI 10.1134/S1064229317040123.

Аннотация: It has been found that the total productivity of bacteria and micromycetes in the 0- to 50-cm layer of homogeneous cryozems (Cryosols) on slopes of northern and southern exposures varies from 1.2 to 1.4 t/ha, respectively, and the calculated content of microbial carbon varies in the range 0.7–0.9 t/ha. The respiratory activity of the upper soil layer is 2.5–2.6 μg C–CO2/(g h); the potential methane formation capacity reaches 0.13 nmol CH4/(m2 day) for soils on slopes of northern exposure and 0.16 nmol CH4/(m2 day) for slopes of southern exposure. Accumulation of sorbed ammonium is recorded in the range 15–17 mg NH4/100 g soil in summer. The increase of temperature in the upper horizons of soils on slopes of southern exposure by 5°C compared to the northern slopes results in only an insignificant increase in the emission of CO2 and CH4. The accumulation of sorbed ammonium and nitrate nitrogen in homogeneous cryozems during the vegetation period is comparable to that in gray forest soils of the southern taiga subzone of the Middle Siberia. © 2017, Pleiades Publishing, Ltd.

Год издания: 2017

Авторы: Sorokin N.D. , Aleksandrov D.E. , Grodnitskaya I.D. , Evgrafova S.Yu.

Издательство: Pleiades Publishing, Ltd. (Плеадес Паблишинг, Лтд), Москва

Источник: Eurasian Soil Science

Выпуск: Т. 50, № 4

Номера страниц: 476-482

Держатель оригинала документа: Sukachev Institute of Forest, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation

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