EI is an indicator that reflects the status of the ecological environment in the assessed area, and it has a numerical range of 0–100. The formula is EI = 0.25 × biological abundance index + 0.2 × vegetation coverage index + 0.2 × water network density index + 0.2 × land degradation index + 0.15 × environmental quality index.
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(2020). Eco-Environmental Index; EI. In: Chen, A., Ng, Y., Zhang, E., Tian, M. (eds) Dictionary of Geotourism. Springer, Singapore. https://doi.org/10.1007/978-981-13-2538-0_584
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DOI: https://doi.org/10.1007/978-981-13-2538-0_584
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