干旱区生态环境知识资源中心(Arid): Trade-off between soil moisture and species diversity in semi-arid steppes in the Loess Plateau of China

Arid

DOI	10.1016/j.scitotenv.2020.141646
	Trade-off between soil moisture and species diversity in semi-arid steppes in the Loess Plateau of China
	Wang, Lei; Wang, Xing; Chen, Lin; Song, Nai-ping; Yang, Xin-guo
通讯作者	Yang, XG
来源期刊	SCIENCE OF THE TOTAL ENVIRONMENT
ISSN	0048-9697
EISSN	1879-1026
出版年	2021
卷号	750
英文摘要	Effectively balancing soil moisture and biodiversity restoration remains a contentious issue for managers and researchers in the Loess Plateau region of China, even after many years of restoration efforts. We conducted a regional study on the trade-off between soil moisture and species diversity using spatial grid sampling in a semi-arid steppe (200-300 mm annual precipitation) in the northwest Loess Plateau. Results reveal that only soil moisture between 20 and 60 cm depth was significantly correlated with diversity indexes. Root-mean-square deviation (RSMD, the index of the soil water-biodiversity relationship) increased by monotonous linear trends with soil moisture in 20-60 cm depth. The linear relationship for Shannon Wiener diversity index (SD) was stronger than for species richness index (SR). When soil moisture in 20-60 cm depth was lower than 6-8%, RSMD often was less than zero, representing the trade-off relationship. However, synergism was more common as the soil moisture increased beyond 6-8%. The overall trends and the soilmoisture threshold (6-8%) did not differ significantly between sites with different vegetation cover and aspect, though there were differences in the relative ratio of trade-off and synergismsamples. Comparing results fromsampling at different scales in the Loess Plateau suggests 6-8% soilmoisture in 200-300 mm precipitation gradient, consistentwith 370 mm rainfall depth in 250-550 mm precipitation gradient, might be a scale-independent threshold driving the soilmoisture-biodiversity relationship from trade-off to synergism in the region. (C) 2020 Elsevier B.V. All rights reserved.
英文关键词	Soil moisture Species diversity Correlation Trade-off Semi-arid steppes
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000585694600074
WOS关键词	PATTERNS ; PRECIPITATION ; RICHNESS
WOS类目	Environmental Sciences
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/2XILL650/327965
作者单位	[Wang, Lei; Wang, Xing; Chen, Lin; Song, Nai-ping; Yang, Xin-guo] Ningxia Univ, Northwest Natl Key Lab Breeding Base Land Degrada, Yinchuan 750021, Ningxia, Peoples R China; [Wang, Lei; Wang, Xing; Chen, Lin; Song, Nai-ping; Yang, Xin-guo] Ningxia Univ, Key Lab Restorat & Reconstruct Degraded Ecosyst, Minist Educ, Yinchuan 750021, Ningxia, Peoples R China; [Wang, Lei; Wang, Xing; Chen, Lin; Song, Nai-ping; Yang, Xin-guo] Ningxia Univ, Joint Res Ctr Ecol & Morphol Resources Dev Wester, Yinchuan 750021, Ningxia, Peoples R China
推荐引用方式 GB/T 7714	Wang, Lei,Wang, Xing,Chen, Lin,et al. Trade-off between soil moisture and species diversity in semi-arid steppes in the Loess Plateau of China[J],2021,750.
APA	Wang, Lei,Wang, Xing,Chen, Lin,Song, Nai-ping,&Yang, Xin-guo.(2021).Trade-off between soil moisture and species diversity in semi-arid steppes in the Loess Plateau of China.SCIENCE OF THE TOTAL ENVIRONMENT,750.
MLA	Wang, Lei,et al."Trade-off between soil moisture and species diversity in semi-arid steppes in the Loess Plateau of China".SCIENCE OF THE TOTAL ENVIRONMENT 750(2021).