NDLI: Vegetation dynamics and climate change on the Loess Plateau, China: 1982

Content Provider	Springer Nature Link
Author	Xie, Baoni Jia, Xiaoxu Qin, Zhanfei Shen, Jian Chang, Qingrui
Copyright Year	2015
Abstract	Monitoring the dynamics of vegetation growth and its response to climate change is important to understand the mechanisms underlying ecosystem behaviors. This study investigated the relationship between vegetation growth and climate change during the growing seasons on the Loess Plateau in China by analyzing the normalized difference vegetation index (NDVI) derived from the Land Long Term Data Record dataset from 1982 to 2011. Results showed that growing-season NDVI had increased at an annual rate of 0.0028, particularly in the semi-arid and semi-humid regions. By contrast, the NDVI first increased from 1982 to 1994 (0.0013 year−1, P < 0.05) and then decreased from 1994 to 2011 (0.0016 year−1, P < 0.05) in the arid region. Temperature had a positive effect on NDVI in most periods within and across seasons in the semi-humid region but had no significant effect in the arid region. Precipitation had a positive effect on NDVI in the arid region in summer and in the semi-arid region in autumn. Summer precipitation was important for autumn vegetation growth in the arid region, whereas summer temperature increased autumn vegetation growth in the semi-arid and semi-humid regions. Further analyses supported the lag-time effects of climate change on vegetation growth on the Loess Plateau. Precipitation shifts had 15- to 18-month time lag effects on vegetation growth in the three climate regions. Vegetation NDVI had a 17-month lag response to temperature in the semi-arid region. Human activities should not be neglected in analyzing the relationship between vegetation growth and climate change on the Loess Plateau.
Starting Page	1583
Ending Page	1594
Page Count	12
File Format	PDF
ISSN	14363798
Journal	Regional Environmental Change
Volume Number	16
Issue Number	6
e-ISSN	1436378X
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2015-12-12
Publisher Place	Berlin/Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	LTDR Normalized difference vegetation index (NDVI) Precipitation Temperature Human activities Loess Plateau Climate Change Climate Change/Climate Change Impacts Oceanography Geography Regional/Spatial Science Nature Conservation
Content Type	Text
Resource Type	Article
Subject	Global and Planetary Change

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