气候变化领域集成服务门户(CCPortal): Long-term water balance variation after revegetation on the southeastern edge of the Tengger Desert

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DOI	10.1016/j.ecolind.2021.108216
	Long-term water balance variation after revegetation on the southeastern edge of the Tengger Desert
	Zhang, Zhi-Shan; Xu, Bing-Xin; Zhao, Yang; Shi, Ya-Fei; Huo, Jian-Qiang; Wang, Nan
通讯作者	Zhao, Y (通讯作者)，Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, Shapotou Desert Res & Expt Stn, 320 Donggang West Rd, Lanzhou 730000, Peoples R China.
发表日期	2021
ISSN	1470-160X
EISSN	1872-7034
卷号	131
英文摘要	Maintaining the water balance of soil-vegetation systems is necessary for the ecological restoration of desertified regions. However, the major processes controlling water balance after revegetation remains unclear. To quantify the water balance after revegetation of moving sand dunes, we performed an 18-year-long large-weighting lysimeter monitoring study in the Tengger Desert, northern China. We measured daily precipitation, evapotranspiration (ET), and drainage loss (DL) on an area revegetated with either Artemisia ordosica or Caragana korshinskii, two shrubs with different crown size and rooting depth, and with bare soil. Our results showed that the annual precipitation of 186 mm was partitioned to 64% evaporation and 23% DL on the bare soil control. However, the water balance changed after revegetation, with the vast majority of precipitation ending up as ET (93% in A. ordosica and 98% in C. korshinskii). The relationships of ET and DL with precipitation showed a quasi steady state at annual scales, a varying state at seasonal scales, and a pulsed state at daily scales. We also observed spatiotemporal niche partitioning between the two shrubs, where differences in water use promoted their coexistence in the revegetated desert areas. Our study suggests that the density and area of revegetation should be controlled within a certain range in accordance with the underlying soil-vegetation water balance in desert regions. Otherwise, sand-binding revegetation would be degraded and the ecological benefits of dune fixation would be lost.
关键词	BIOLOGICAL SOIL CRUSTS PRECIPITATION PULSES CARAGANA-KORSHINSKII CHIHUAHUAN DESERT EVAPOTRANSPIRATION VEGETATION CHINA AREA AFFORESTATION DYNAMICS
英文关键词	Lysimeter; Rain-fed; Sand-binding shrubs; Scaling effects; Soil water availability
语种	英语
WOS研究方向	Biodiversity & Conservation ; Environmental Sciences & Ecology
WOS类目	Biodiversity Conservation ; Environmental Sciences
WOS记录号	WOS:000703702200006
来源期刊	ECOLOGICAL INDICATORS
来源机构	中国科学院西北生态环境资源研究院
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/254304
作者单位	[Zhang, Zhi-Shan; Xu, Bing-Xin; Zhao, Yang; Shi, Ya-Fei; Huo, Jian-Qiang; Wang, Nan] Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, Shapotou Desert Res & Expt Stn, 320 Donggang West Rd, Lanzhou 730000, Peoples R China; [Xu, Bing-Xin; Shi, Ya-Fei; Huo, Jian-Qiang; Wang, Nan] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Zhang, Zhi-Shan,Xu, Bing-Xin,Zhao, Yang,et al. Long-term water balance variation after revegetation on the southeastern edge of the Tengger Desert[J]. 中国科学院西北生态环境资源研究院,2021,131.
APA	Zhang, Zhi-Shan,Xu, Bing-Xin,Zhao, Yang,Shi, Ya-Fei,Huo, Jian-Qiang,&Wang, Nan.(2021).Long-term water balance variation after revegetation on the southeastern edge of the Tengger Desert.ECOLOGICAL INDICATORS,131.
MLA	Zhang, Zhi-Shan,et al."Long-term water balance variation after revegetation on the southeastern edge of the Tengger Desert".ECOLOGICAL INDICATORS 131(2021).