About the forage resources of pastures of the wood bison (Bison Bison Athabascae Rhoads, 1987) in the Taiga Zone of the Tympynai Valley (Gorny District, Central Yakutia)
https://doi.org/10.31242/2618-9712-2019-24-4-9
Abstract
The types of meadows, species composition, aboveground phytomass, and feeding character istics of wood bison in the natural pasture at the territory of the Tympynai Valley were studied on 14–20, 2012. The most productive meadows are the grassreedsedgegrass and the grassbluegrasssedge mead ows confined to more humid places of the Tympynai Valley (more than 47 c/ha). Forbs, grass and sedge meadows that are confined to the driest high areas have the lowest yield of 24.5 c/ha. The aboveground mass of plants in the studied meadows varies within the range 2033 c/ha. According to the botanical com position, the herbs stand of these meadows consists of the following ratios: grass – 28.3 %, sedge – 52.3 %, legumes – 1.6 %, forbs – 2 %, rags – 15.8 %. In our opinion, the species composition of plants and produc tivity of the aboveground phytomass of the vegetation of theTympynai Valey is more than suitable for year round free or semifree keeping of wood bison.
Supporting agencies: this work was carried out within the government assignment IBPK SB RAS for 2017– 2020 on subjects: «Fundamental and applied aspects of studying of a variety of flora of Northern and Central Yakutia» (state registration No. ААААА171170201100560) and «Variety of a flora and fauna of the tundra and near tundra woods, monitoring of rare and protected species of plants and animals of the northeast of Yakutia» (comprehensive program SB RAS II.2) (state registration No. ААААА171170201100591)
About the Author
Roman Romanovich Sofronov
Institute for Biological Problems of Cryolithozone, SB RAS
Russian Federation
Russian Federation
Sofronov Roman Romanovich, engineer researcher, Institute for Biological Problems of Cryolithozone, SB RAS, 677980, Yakutsk, 41 Lenina pr., https://orcid.org/0000-0001-5059-8395 , roman@14.ru.
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For citations:
Sofronov R.R. About the forage resources of pastures of the wood bison (Bison Bison Athabascae Rhoads, 1987) in the Taiga Zone of the Tympynai Valley (Gorny District, Central Yakutia). Arctic and Subarctic Natural Resources. 2019;24(4):109-116. (In Russ.) https://doi.org/10.31242/2618-9712-2019-24-4-9
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