| Issue |
BIO Web Conf.
Volume 35, 2021
VIII All-Russian Conference with International Participation “MOUNTAIN ECOSYSTEMS AND THEIR COMPONENTS”, dedicated to the Year of Science and Technology in the Russian Federation
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|---|---|---|
| Article Number | 00008 | |
| Number of page(s) | 7 | |
| DOI | https://doi.org/10.1051/bioconf/20213500008 | |
| Published online | 17 September 2021 | |
Biological activity of mountain meadow subalpine soils of Central Caucasus
Tembotov Institute of Ecology of Mountain Territories of Russian Academy of Science, 360051 Nalchik, Russia
* Corresponding author: tembotov.rustam@mail.ru
Indicators of biological activity (humic content and stock, Cmic content and stock, hydrolytic and redox enzymes activity) were measured for the first time in the upper horizons of mountain meadow subalpine soils of Central Caucasus (elbrus altitudinal zonality in Kabardino-Balkaria). The comparative assessment was performed for the biological characteristics together with soil density and acid-base properties for soils of natural and pasture ecosystems. The integral index of ecological and biological soil state (IIEBSS) was calculated to estimate the level of changes in biological activity. It was shown that pasture degradation leads to 30% decrease of IIEBSS compared to the undisturbed soil. The defined biological parameters of natural undisturbed mountain meadow soils could be used as diagnostic indicators for the ecological studies of ecosystems under anthropogenic load.
© The Authors, published by EDP Sciences, 2021
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