Research on the application of natural ecological restoration in a typical region of China with red soils Initial Growth Effect and Ecological Threshold of Festuca arundinacea L.Under Progressive Stress of Cu2+ and Zn2+ Review on recent advances in ecological threshold research The mechanisms and principles of ecological compensation The influential threshold of road netowrk impacts on the ecosystem in londitudinal range\|gorge region of Yunnan Provice, China Ecological thresholds: Concept, methods and research outlooks Researches on the ecological thresholds of Suaeda salsa to the environmental
gradients of water table depth and soil salinity