干旱区生态环境知识资源中心(Arid): Response of vegetation dynamics to drought at the eco-geographical region scale across China

Arid

DOI	10.1007/s12517-021-08964-6
	Response of vegetation dynamics to drought at the eco-geographical region scale across China
	Lei, Xiangdong; Wang, Zhaoli; Lin, Guangsi; Lai, Chengguang
通讯作者	Lai, CG (corresponding author), South China Univ Technol, Sch Civil Engn & Transportat, State Key Lab Subtrop Bldg Sci, Guangzhou 510641, Peoples R China.
来源期刊	ARABIAN JOURNAL OF GEOSCIENCES
ISSN	1866-7511
EISSN	1866-7538
出版年	2021
卷号	14 期号:23
英文摘要	Drought is one of the major environmental stressor, influencing the distribution, growth, and development of plants seriously. However, the exploration on the response of vegetation dynamics to drought is complicated and till today remains a challenge for China, a country with multiple eco-geographical regions. Targeted measures can be taken if comprehending the response mechanism of vegetation dynamics to drought. For this purpose, the study investigated the spatial and temporal variation of vegetation growth under the influence of drought during 1982-2015 at eco-geographical region scale across China using the standard precipitation evaporation index (SPEI) and the normalized difference vegetation index (NDVI). A Mann-Kendall test was used to analyze the variation trends of SPEI and NDVI, and correlation analysis was applied to quantify the effects of drought on vegetation growth in both time and space. The results show that (1) the annual SPEI-12 increased slightly during 1960-2015, fluctuated during 1960-1981, and decreased slightly during 1982-2012; at annual and seasonal scales, drought trends were mainly detected in the Northeast, Northwest, North China, and Middle-Lower Yangtze Plain, while eco-geographical regions in the Qinghai Tibet Plateau experienced a wet trend. (2) The annual NDVI increased over time during 1982--2015 at the rate of 1.17% per decade and some eco-geographical regions in the Northwestern and Northeastern areas demonstrated a significant downward trend, while eco-geographical regions with upward trend varied with different seasons. (3) Vegetation growth was more sensitive to drought conditions in Northern China than in Southern China, but the resilience of vegetation to drought stress in Southern China is stronger than that in Northern China.
英文关键词	Drought Vegetation dynamics Standard precipitation evaporation index Normalized difference vegetation index Eco-geographical region scale
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000723002300003
WOS关键词	EVAPOTRANSPIRATION INDEX SPEI ; NET PRIMARY PRODUCTIVITY ; SPEARMANS RHO TESTS ; CLIMATE-CHANGE ; SOIL-MOISTURE ; LOESS PLATEAU ; RIVER-BASIN ; ARID REGION ; SPATIOTEMPORAL VARIATION ; SOUTHWEST CHINA
WOS类目	Geosciences, Multidisciplinary
WOS研究方向	Geology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/374058
作者单位	[Lei, Xiangdong; Wang, Zhaoli; Lin, Guangsi; Lai, Chengguang] South China Univ Technol, Sch Civil Engn & Transportat, State Key Lab Subtrop Bldg Sci, Guangzhou 510641, Peoples R China; [Lin, Guangsi] Guangdong Engn Technol Res Ctr Safety & Greenizat, Guangzhou 510641, Peoples R China
推荐引用方式 GB/T 7714	Lei, Xiangdong,Wang, Zhaoli,Lin, Guangsi,et al. Response of vegetation dynamics to drought at the eco-geographical region scale across China[J],2021,14(23).
APA	Lei, Xiangdong,Wang, Zhaoli,Lin, Guangsi,&Lai, Chengguang.(2021).Response of vegetation dynamics to drought at the eco-geographical region scale across China.ARABIAN JOURNAL OF GEOSCIENCES,14(23).
MLA	Lei, Xiangdong,et al."Response of vegetation dynamics to drought at the eco-geographical region scale across China".ARABIAN JOURNAL OF GEOSCIENCES 14.23(2021).