Analysis of the economic value of vegetation ravine-girder complexes of the Belgorod region
DOI:
https://doi.org/10.18413/2658-3453-2019-1-1-55-63Keywords:
biological resources, carbonate soils, natural forage lands, community productivity, economically valuable plant species, cereal grains, legumesAbstract
Biological productivity of ecosystems is the most important resulting indicator characterizing the rate of biomass formation, which is based on the efficiency of using solar energy during photosynthesis. Since 2003, the Botanical Garden of the National Research University «BelSU» has been actively working to study the productivity of the steppe biome as a whole and its individual components. The most intensively conducted studies of the formation of productivity of natural phytocenoses ravine girder complexes, which are widely distributed in the region. Anthropogenic stress and climate change are increasing. This leads to the fact that monitoring the productivity of plant communities is of great importance, especially in the unstable conditions of areas with difficult terrain. A study of the state of vegetation and the accumulation of aboveground phytomass by various grass communities of beams and gully complexes allows using this data to monitor primary biological production and reproduction of biomass by communities as an essential component of the energy balance of ecosystems. The total amount of elevated phytomass accumulated during the growing season by various communities of gully-complex in various ecotopes ranges from 109.0 to 112.7 g / m2 – minimally on the southern slopes of exposure and as large as possible on the bottoms of the beams in places previously used for the cultivation of intensive perennial crops.
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Copyright (c) 2019 В.И. Чернявских, Е.В. Думачева, О.В. Дегтярь, А.В. Дегтярь, Ж.А. Бородаева
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