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Karst rocky desertification progress: Soil calcium as a possible driving force

Science of the Total Environment, 2019
Karst rocky desertification is a severe irreversible ecosystem failure. The karst ecosystem is so fragile that it is vulnerable to environmental changes, degrading into rocky desertification. Prior studies revealed the potential connections between the soil bacterial community, the edaphic properties and the aboveground vegetation cover in the karst ...
Yin Yi, Jing Tang, Zhi-Liang Ji
exaly   +3 more sources

Large scale rocky desertification reversal in South China karst

Progress in Physical Geography: Earth and Environment, 2022
The karst area in southwest China is, in recent decades, one of the world’s regions with the fastest vegetation growth and increase in aboveground biomass. The improvement in the ecological conditions within this region can, to a large extent, be attributed to ecological protection projects.
Yuemin Yue   +6 more
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Rocky desertification exponential model in Karst area

2012 IEEE International Geoscience and Remote Sensing Symposium, 2012
It was noticed long time ago that Karst rocky desertification is gradually developed into the third-largest ecological problem. Remote sensing is mostly used in the research of Karst desertification. However, the previous research used original imagery, so it cannot effectively interpret the characteristic of rocky desertification.
Guoqing Zhou 0001, Yanli Ma
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Causes and control measures of the karst rocky desertification in chongqing karst mountain area

2011 International Conference on Electrical and Control Engineering, 2011
Chongqing is one of the carbonate rocks distribute most widely and the Karst develop strongest provinces, especially in Karst Mountain area, its rocky desertification area covers 8557.45km2, accounting for 92.45% of the city's. Therefore, as one of the key cities in Western Development, the cause and control measures of the Karst Mountain area plays a ...
Jiancheng Ji, Shiyou Xie
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Estimate ecological indicators of karst rocky desertification by spectral unmixing algorithm

SPIE Proceedings, 2013
Coverage rates of vegetation and exposed bedrock are two key indicators of karst rocky desertification (KRD) environments. Based on spectral unmixing algorithm, abundance of vegetation and exposed rock were retrieved from the hyperspectral Hyperion image.
Xia Zhang   +3 more
openaire   +1 more source

Pattern simulation of karst rocky desertification based on cellular automata

Acta Ecologica Sinica, 2012
Desertification in the karst mountain regions of southwest China is one of the most challenging environmental issues in western China because of its severe negative effects on the local community.Based on natural and cultural factors that cause rocky desertification occurrence and development,a simple,effective simulation and prediction model for karst
王晓学 WANG Xiaoxue   +2 more
openaire   +1 more source

Spectral indices for estimating ecological indicators of karst rocky desertification

International Journal of Remote Sensing, 2010
Karst rocky desertification is a process of land desertification associated with human disturbance of the fragile eco-geological setting of karst ecosystems. The fractional cover of photosynthetic vegetation (PV), non-photosynthetic vegetation (NPV), bare soil and exposed bedrock are key ecological indicators of the extent and degree of land ...
Yuemin Yue   +7 more
openaire   +1 more source

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