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The soil properties and their effects on plant diversity in different degrees of rocky desertification

Science of the Total Environment, 2020
Rocky desertification is a process of soil erosion and vegetation destruction. On the surface, the landscape of rocky desertification is similar to that of desertification, which has a negative impact on the social and economic development of Southwest China. To clarify the influence of soil properties on plant diversity in rocky desertification areas,
Tianshu Ma, Xiangwen Deng, Liang Chen
exaly   +3 more sources

Rocky desertification in Southwest China: Impacts, causes, and restoration

Earth-Science Reviews, 2014
Abstract Rocky desertification, which is relatively less well known than desertification, refers to the processes and human activities that transform a karst area covered by vegetation and soil into a rocky landscape. It has occurred in various countries and regions, including the European Mediterranean and Dinaric Karst regions of the Balkan ...
Zhongcheng Jiang   +2 more
exaly   +3 more sources

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 ...
Jing Tang, Xiaoxin Tang, Yin Yi
exaly   +3 more sources

Establishment of rocky desertification index in Southwest of China

2014 IEEE Geoscience and Remote Sensing Symposium, 2014
Rocky desertification is a type of land desertification. It comes from the fragile ecological and geological environment, where the human activity is very strong and the land productivity is degraded severely. As a natural disaster, rocky desertification is very destructive, and it is very difficult to be recovered.
Lanying Yuan   +7 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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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
openaire   +2 more sources

Fuzzy Bayesian network classifier for extraction of rocky desertification

SPIE Proceedings, 2009
Aiming at the complexity and uncertainty in the interpretation of rocky desertification from multi-source data, this paper promotes fuzzy Bayesian network embedded Gaussian mixture model(GMM) for extracting rocky desertification information.This model make a fuzzy quantization for continuous variable through GMM, use the convex function of multiple ...
Shui-ming Li   +3 more
openaire   +1 more source

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

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