KEYWORD: DPSIR model; Reed; Index system; Qilihai wetland ABSTRACT: Vegetation is the core protection object in nature reserve and establishing index sytem of the growth status of vegetation and analyzing the influencing factors are the basis of vegetation protection in nature reserve. Based on DPSIR model and the principles of science, comprehensiveness, difference, early warning and guidance, the selection of index from perspectives of driving forces, pressure,state,impact and response is put forward. The establishment of index system of the growth of reed for the core region in Qilihai wetland provide methods for evaluation of the growth and influencing factors of reed, and service to the reed restoration for the core region in Qilihai wetland.
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