Study on evaluation method and construction of evaluation indicators system of ecosystem health in Chongqing metropolis

摘要

(1)The paper focuses on uncertainty and incompleteness of index evaluation standard for present related researches, and sets up a relatively integrated evaluation indexes system and standard to reflect the regional characteristics of Chongqing metropolis. According to the national requirement for urban health, the paper ranks the evaluation standard of urban ecosystem health into 5 grades: sick, unhealthy, sub-healthy, healthy, and very healthy.