1. Define the assessment objectives. This is a crucial first step, which requires identifying the specific objectives and content of the eco-efficiency assessment and considering various factors that may affect the assessment results.
2. Select appropriate indicators. According to the assessment objectives, select relevant eco-efficiency indicators, such as land cover change, biodiversity and so on.
3. Collect data. Collect data related to the selected indicators through on-site surveys, statistical data and relevant reports.
4. Calculate the score. Based on the weighting of each indicator and the data collected, the score for each indicator is calculated, and these scores are summarized to obtain the overall eco-efficiency score.
5. Analyze the assessment results. The calculated eco-efficiency score is analyzed to assess its feasibility and sustainability, and to identify improvement or optimization measures.