RELATIONSHIPS BETWEEN VEGETATION COVERAGE AND SOIL PROPERTIES ON THE RECLAIMED DUMP OF OPENCAST COAL MINE IN LOESS PLATEAU, CHINA

被引：0

作者：

Zhang, Xiaoran ^{[1
]}

Cao, Yingui ^{[1
,2
]}

Bai, Zhongke ^{[1
,2
]}

Wang, Jinman ^{[1
,2
]}

Zhou, Wei ^{[1
,2
]}

Ding, Xiang ^{[1
]}

机构：

[1] China Univ Geosci, Sch Land Sci & Technol, Beijing 100083, Peoples R China

[2] Minist Land & Resources Peoples Republ China, Key Lab Land Reconsolidat & Rehabil, Beijing 100035, Peoples R China

来源：

FRESENIUS ENVIRONMENTAL BULLETIN | 2016年 / 25卷 / 11期

关键词：

soil properties; vegetation coverage; NDVI; dump; opencast coal mine; land reclamation; CARBON SEQUESTRATION; NORTHWEST CHINA; TREE VEGETATION; DYNAMICS; NITROGEN; DROUGHT; IMPROVE; EROSION; QUALITY; FOREST;

D O I：

暂无

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Vegetation recovery and soil restoration are the keys to create a stable and sustainable ecosystem on post-mining lands. The relationships between vegetation coverage and soil properties were studied, by taking a reclaimed dump of opencast coal mine in Loess Plateau as example. Vegetation coverage was represented by the Normalized Difference Vegetation Index (NDVI), and eight soil properties of soil samples were measured. The relationships between NDVI and each soil property were identified by correlation analysis. The results were as follows. Soil bulk density and NDVI was negatively linearly correlated. Soil porosity and NDVI was positively linearly correlated. Soil mass water content was quadratically correlated with NDVI, so as soil gravel content and soil total nitrogen content. Both the logarithm of soil organic matter content and the logarithm of soil available potassium showed a correlation of cubic function with NDVI. Soil available phosphorus content and NDVI can be described with inverse function. It was concluded that the response of vegetation coverage to soil properties showed discontinuity in a certain degree, and each response is different from others when soil properties change within a certain range.

引用

页码：4767 / 4776

页数：10

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