干旱区生态环境知识资源中心(Arid): Land Degradation of the Republic of Kalmykia: Problems and Reclamation Methods

Arid

DOI	10.1134/S2079096120020043
	Land Degradation of the Republic of Kalmykia: Problems and Reclamation Methods
	Dedova, E. B.; Goldvarg, B. A.; Tsagan-Mandzhiev, N. L.
通讯作者	Dedova, EB
来源期刊	ARID ECOSYSTEMS
ISSN	2079-0961
EISSN	2079-0988
出版年	2020
卷号	10 期号:2 页码:140-147
英文摘要	The Republic of Kalmykia is located in the European part of the arid belt of the Russian Federation, in which the desertification of a significant part (up to 80%) of its territory is a serious environmental and socioeconomic problem. Thus, of the 6 264 000 ha of agricultural land, 77.9% are subject to various types of degradation, of which 93 960 ha are waterlogged, 526 180 ha are eroded, 1 753 920 ha are deflated, and 2 505 600 ha are saline. The highest deflationary degradation indices are observed in the southeastern regions of Kalmykia (DId 31.7-71.1 points), which is due to natural (increased aridity of the climate) and anthropogenic (excessive pasture load) factors. A conceptual model that reflects the mechanism of reclamation impact on degradation processes occurring on agricultural land under the influence of natural and anthropogenic factors has been developed. An agrobiological method for the phytomelioration of degraded lands on open sand massifs is proposed, including the planting of Calligonum aphyllum (Pall.) Gurke, Leymus racemosus Lam. Tzvel. Bassia prostrata (L.) A.J. Scott, Krascheninnikovia ceratoides (L.) Gueldenst., and Agropyron sibiricum (Willd.) P. Beav. Complexes of land reclamation measures that are differentiated for various categories of agricultural land have been developed to ensure the creation of optimal conditions to increase the natural resource potential of arid ecosystems and to prevent the desertification of the territories, to level the complexity of the soil cover, and to reduce the natural and anthropogenic salinity, salinity, and the risk of other negative processes.
英文关键词	degradation soil deflation secondary salinization pastures phytomelioration complex reclamation Kalmykia
类型	Article
语种	英语
收录类别	ESCI
WOS记录号	WOS:000532160700009
WOS类目	Ecology
WOS研究方向	Environmental Sciences & Ecology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/334357
作者单位	[Dedova, E. B.] All Russia Res Inst Hydrotech & Land Reclamat, Kalmyk Branch, Elista 358011, Republic Of Kal, Russia; [Goldvarg, B. A.; Tsagan-Mandzhiev, N. L.] Russian Acad Sci, Branch Caspian Agr Fed Sci Ctr, Kalmyk Res Inst Agr, Elista 358011, Republic Of Kal, Russia
推荐引用方式 GB/T 7714	Dedova, E. B.,Goldvarg, B. A.,Tsagan-Mandzhiev, N. L.. Land Degradation of the Republic of Kalmykia: Problems and Reclamation Methods[J],2020,10(2):140-147.
APA	Dedova, E. B.,Goldvarg, B. A.,&Tsagan-Mandzhiev, N. L..(2020).Land Degradation of the Republic of Kalmykia: Problems and Reclamation Methods.ARID ECOSYSTEMS,10(2),140-147.
MLA	Dedova, E. B.,et al."Land Degradation of the Republic of Kalmykia: Problems and Reclamation Methods".ARID ECOSYSTEMS 10.2(2020):140-147.