干旱区生态环境知识资源中心(Arid): Composition and Structure of Tugai Communities in the Indication of Ecological Conditions in the Lower Amu Dar'ya

Arid

DOI	10.1134/S1995425524010074
	Composition and Structure of Tugai Communities in the Indication of Ecological Conditions in the Lower Amu Dar'ya
	Korolyuk, A. Y.; Shomurodov, H. F.; Khabibullaev, B. S.; Sadinov, Z. S.
通讯作者	Korolyuk, AY
来源期刊	CONTEMPORARY PROBLEMS OF ECOLOGY
ISSN	1995-4255
EISSN	1995-4263
出版年	2024
卷号	17 期号:1 页码:106-111
英文摘要	Tugai ecosystems of desert river valleys are one of the most affected and endangered landscape types. The largest areas of tugai vegetation in Uzbekistan are preserved in the lower reaches of the Amu Dar'ya River. The main massifs of poplar forests are there. To assess their current status, 284 releves, representing tugai plant communities in the lower reaches of the Amu Dar'ya, have been analyzed. For each one, the position on ecological gradients was determined by species indicator values. It is shown that the scatter of releves is the greatest for moisture gradient: from 17 to 97 grades, and it is noticeably smaller for pasture digression (2.5-6.5) and soil salinity (16.1-19.5). To reveal the relationships between the species composition and environmental factors, CCA ordination was performed. Groups of releves, representing the native tugai vegetation and three ecological series connected with salinity, soil moisture, and anthropogenic pressure, are identified. According to them, four generalized plant communities, differing in species composition, floristic diversity, and structure, are distinguished. Indicator plants are identified on the basis of a formalized assessment of species constancy and importance values. The changes in species composition and structure of communities (life form spectra) are shown. It has been established that vegetation halophytization is the most active process following progressive desertification. This process is reflected in the replacement of poplar forests by shrub communities dominated by Halostachys belangeriana and Tamarix hispida. As a result of intensive anthropogenic impact, the vegetation is transformed and the importance value of ruderal annual plants becomes higher.
英文关键词	tugai vegetation phytoindication desertification Central Asia
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:001184596500012
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/2XILL650/403266
推荐引用方式 GB/T 7714	Korolyuk, A. Y.,Shomurodov, H. F.,Khabibullaev, B. S.,et al. Composition and Structure of Tugai Communities in the Indication of Ecological Conditions in the Lower Amu Dar'ya[J],2024,17(1):106-111.
APA	Korolyuk, A. Y.,Shomurodov, H. F.,Khabibullaev, B. S.,&Sadinov, Z. S..(2024).Composition and Structure of Tugai Communities in the Indication of Ecological Conditions in the Lower Amu Dar'ya.CONTEMPORARY PROBLEMS OF ECOLOGY,17(1),106-111.
MLA	Korolyuk, A. Y.,et al."Composition and Structure of Tugai Communities in the Indication of Ecological Conditions in the Lower Amu Dar'ya".CONTEMPORARY PROBLEMS OF ECOLOGY 17.1(2024):106-111.