ESTIMATION OF VEGETATION ON THE FORAGE LANDS OF GORNYY ALTAI
https://doi.org/10.31677/2072-6724-2019-50-1-116-125
Abstract
The authors explored the situation in vegetation on hay harvesting areas and pastures in the mid mountain areas of Central and South-Eastern Altai in 2016-2017. The authors investigated 22 communities of various types of meadows and steppes; 8 cenoses were investigated twice. The vegetation of forage lands indicates moderate or high grazing of animals. 2016 was a wet year and it led to pasture degradation and progressive succession. 2017 was a dry year and grazing led to acute pasture degradation and reducing of surface phytomass in 2.2 – 3.6 times in comparison with the previous year. At the same time, the part of mortmass in the stand grass increases. The researchers investigated the perennial leguminous grasses of Astragalus austriacus, A. austrosibiricum, A. tibetanus, Hedysarum gmelinii, H. gmelinii subsp. setigerum and Oxytropis argentata and found out them to be preserved in grasslands and restored in many cenopopulations when grazing is reduced or stopped.
About the Authors
G. K. Zvereva
Novosibirsk State Pedagogical University;
Siberian Federal Research Centre of Agricultural Biotechnologies RAS
Russian Federation
Doctor of Biological Sc.
Russian Federation
Doctor of Biological Sc.
S. Ia. Syeva
Federal Altai Research Centre of Agricultural Biotechnologies
Russian Federation
Russian Federation
Candidate of Biology
N. A. Karnaukhova
Central Siberian Botanical Garden SD RAS
Russian Federation
Candidate of Biology
Russian Federation
Candidate of Biology
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Review
For citations:
Zvereva G.K., Syeva S.I., Karnaukhova N.A. ESTIMATION OF VEGETATION ON THE FORAGE LANDS OF GORNYY ALTAI. Bulletin of NSAU (Novosibirsk State Agrarian University). 2019;(1):116-125. (In Russ.) https://doi.org/10.31677/2072-6724-2019-50-1-116-125
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