NDLI: Changes of vegetation biomass, species diversity and NDVI across the ground temperature of permafrost in the Datong river source region on the northeastern edge of the Qinghai-Tibet plateau

Content Provider	IEEE Xplore Digital Library
Author	Xiumin Zhang Yu Sheng Jichun Wu Jing Li Ji Chen
Copyright Year	2011
Description	Author affiliation: Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou 730000, China (Xiumin Zhang; Yu Sheng; Jichun Wu; Jing Li; Ji Chen)
Abstract	A primary analysis was applied to analyze the effects of degradation of frozen soil on the alpine vegetation ecosystem based on the investigation data from 92 vegetation plots sampled in 2010 and 30m- normalized difference vegetation index (NDVI) data of these plots across the ground temperature of permafrost in the Datong river source region, on the northeastern edge of the Qinghai-Tibet plateau in China. The results show that: with the increase of the ground temperature, the species diversity index of plant communities had an ascendant trend and the succession of vegetation type had a change, like the wet plant species in communities decreased gradually and mesophyte plants expanded rapidly. When the permafrost type from sub-stable permafrost type to transitional type and then to unstable permafrost type, the phytomass had decrease trend; NDVI and soil moisture had the biggest value in the transitional permafrost region.
Starting Page	787
Ending Page	790
File Size	300290
Page Count	4
File Format	PDF
ISBN	9781457710032
ISSN	21537003
e-ISBN	9781457710056
DOI	10.1109/IGARSS.2011.6049248
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-07-24
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Indexes Vegetation mapping Vegetation Communities Land surface temperature Degradation Soil the Datong river source region biomass species diversity NDVI the ground temperature of permafrost
Content Type	Text
Resource Type	Article

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