Impact of land use pattern on lake water quality in urban region Effects of Land Use Types on Soil Quality of the Hilly Area in Central Hunan Province Content and density of soil organic carbon under different land use types in Shenzhen A Comparison on Soil Anti-Erodibility over Different Land Use Types on Loess Slope Spatiotemporal variability of the soil erosion and its relations to the influencing factors on the Loess Plateau, China