Assessment of ecosystem health - concept framework and indicator selection Assessment on coordinative ability of sustainable development of Beijing-Tianjin-Hebei Region based on set pair analysis Recent advances in wetland degradation research Systematic assessment and regional features of soil quality in the aainan Bland Assessment on urban ecological security spatial differences based on causal network:a case of Dalian City Present Situation and Prospect of Forest Ecosystem Health Assessment Soil quality assessment indicators and their spatial-temporal variability Assessment indicators system of forest ecosystem health based on the harmful disturbance