Research Article
Emergy Comparison of Typical Coastal Urban Ecosystems in China
Table 2
ESI reference classification.
| Index range | Significance of indicators |
| ESI < 1 | Developed regions, which are eco-economic systems driven by high consumption, with less sustainability | 1 ≤ ESI ≤ 10 | Developing regions, full of vitality and development potential | ESI > 10 | Underdeveloped areas, the system has insufficient resource development and utilization and is highly sustainable |
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