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In conjunction with ecological performance, a definition to sustainable economic development was proposed, and a novel triangle method was designed to evaluate economic development sustainability, based on the interrelationships among economic development, resource–energy consumption, and environment pollution. As a case study, the triangle method was applied to assess the sustainability status and...
An ecosystem health index methodology (EHIM) was developed for assessing lake ecosystem health. A scale from 0 to 100 was chosen as a basis for ranking where an ecosystem health index (EHI) of zero indicates the worst possible health state and one of 100 the best possible health state. There are five necessary steps in the EHIM: (l) to select basic and additional indicators; (2) to calculate sub-EHIs...
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