Dynamic Variations of Landscape Pattern and the Landscape Ecological Functions in the Source Area of the Yellow River Pattern dynamics of vegetation coverage of Plateau Valley-City in the Western China:a case study in Xining Spatio-temporal analysis of ecological carrying capacity in Jinghe Watershed based on Remote Sensing and Transfer Matrix Spatiotemporal variation of typical red soil eroded landscape pattern: A case study in Changting County of Fujian Province. Spatial and temporal change of landscape pattern in the western Shijiazhuang, Taihang Mountains