PSR-Based Ecosystem Health Evaluation Research in Yellow River Delta Wetland

This document established evaluation of the Yellow River delta wetland ecological health with PSR model, the DPSIR model and index system. Based on research of Yellow River delta wetland and relevant expert scoring, the paper selected 23 indicators, such as wetland pressure, state, response. all the index weights results was completed by analytic hierarchy process (AHP). Ecological health protection strategy was proposed according to the model.