干旱区生态环境知识资源中心(Arid): Changes in Soil Moisture, Temperature, and Salt in Rainfed Haloxylon ammodendron Forests of Different Ages across a Typical Desert-Oasis Ecotone

Arid

DOI	10.3390/w14172653
	Changes in Soil Moisture, Temperature, and Salt in Rainfed Haloxylon ammodendron Forests of Different Ages across a Typical Desert-Oasis Ecotone
	Gou, Qianqian; Shen, Changsheng; Wang, Guohua
通讯作者	Wang, GH
来源期刊	WATER
EISSN	2073-4441
出版年	2022
卷号	14 期号:17
英文摘要	Soil water and salt movement during the freeze-thaw period facilitate soil and water conservation and agroecological environment maintenance in the desert-oases transition zone of the Hexi Corridor; however, our understanding of soil salinization and the shifting water, heat, and salt states in soil ecosystems of Haloxylon ammodendron forests at different ages is poor. We analyzed the soil moisture, temperature, and salinity characteristics of Haloxylon ammodendron forests of different ages in the Hexi Corridor of Northwest China and determined their coupling. Our results indicated that shallow (0-120 cm) soil temperatures significantly correlated with air temperatures. With increased forest age, the soil freezing period shortened and the permafrost layer shallowed. Changes in soil temperature lagged those in air temperature, and this lag time increased with forest age and soil depth. With increases in forest age and planting years, the water in the shallow soil layer gradually declined, and the surface aggregation of salt increased. In deep soils (120-200 cm), both soil moisture and salinity increased with the number of planting years. Accordingly, the clay layer and deep root system of Haloxylon ammodendron greatly influenced the transport of soil water and salt; and temperature is a key driving force for their transport. Thus, water, temperature, and salt content dynamics were synergetic.
英文关键词	desert-oasis ecotone Haloxylon ammodendron soil water transport salt transport freeze-thaw
类型	Article
语种	英语
开放获取类型	gold
收录类别	SCI-E
WOS记录号	WOS:000851688300001
WOS关键词	STEMFLOW ; REGION ; BASIN ; DUNES
WOS类目	Environmental Sciences ; Water Resources
WOS研究方向	Environmental Sciences & Ecology ; Water Resources
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/394828
推荐引用方式 GB/T 7714	Gou, Qianqian,Shen, Changsheng,Wang, Guohua. Changes in Soil Moisture, Temperature, and Salt in Rainfed Haloxylon ammodendron Forests of Different Ages across a Typical Desert-Oasis Ecotone[J],2022,14(17).
APA	Gou, Qianqian,Shen, Changsheng,&Wang, Guohua.(2022).Changes in Soil Moisture, Temperature, and Salt in Rainfed Haloxylon ammodendron Forests of Different Ages across a Typical Desert-Oasis Ecotone.WATER,14(17).
MLA	Gou, Qianqian,et al."Changes in Soil Moisture, Temperature, and Salt in Rainfed Haloxylon ammodendron Forests of Different Ages across a Typical Desert-Oasis Ecotone".WATER 14.17(2022).