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In the traditional classification method, for the pixels, which the proportion of vegetation distribution is small, that is, the area occupied by vegetation in the pixel is less than half a pixel, they are often considered as a non-vegetation area. Such problems, in the highly developed cities, are the most common. Therefore, in order to more accurately compute the highly developed, especially hardened...
Karst rocky desertification is a typical type of land desertification. It is associated with human disturbance and fragile eco-geological setting with high complexity and heterogeneity in karst regions. For the particularity of karst ecosystems and complexity of rocky desertification, Fractional cover of photosynthetic vegetation (PV), non-photosynthetic vegetation (NPV), bare soil (Soil), and exposed...
The vegetation succession and soil enzyme activities restoration with different growing years was analyzed by applying the spatio-temporal substitution method. The result showed that H. Rhamnoides and A. Desertoru are predominant species of the shrub layer. With the restore years prolonging, the species diversity index (H′, 1/D), saccharase, urease, phosphatase and catalase activities were increased,...
Water erosion is one of the important contents in basin soil erosion. Its process and development is the core of soil erosion dynamic mechanics, and also is the key for the prevention of soil and water loss and development of physical model for soil erosion prediction. Based upon indoor simulated rainfall experiment, the effect of vegetation regulating on slope water erosion was studied systematically...
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