| 山东省典型县域土壤改良修复模式综合效益评价 |
| 摘要点击 1610 全文点击 34 投稿时间：2025-02-28 修订日期：2025-05-02 |
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| 中文关键词 土壤改良修复模式 综合效益评价 演变特征 耦合协调度 障碍因子 |
| 英文关键词 soil improvement and restoration model comprehensive benefit evaluation evolutionary characteristics coupling coordination degree barrier factor |
| DOI 10.13227/j.hjkx.202502256 |
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| 中文摘要 |
| 为探究山东省典型县域土壤改良修复模式的效益情况，通过构建“土壤条件-生态环境-经济社会”多维系统综合效益评价指标体系，运用熵权TOPSIS综合评价模型、Kernel密度估计、耦合协调度模型及障碍因子诊断模型，全面剖析2019~2022年山东省典型县域土壤改良修复模式的综合效益、演变特征及障碍因素. 结果表明：①典型县域的土壤改良修复模式综合效益水平呈现波动上升趋势，各县域的差距亦在不断缩小，子系统间的发展存在非同步性；②各县域土壤改良修复模式的耦合协调度呈波动递增趋势，展现出较强的“马太效应”；③各系统层对综合效益水平的影响程度由大到小依次为经济社会系统、土壤条件系统与生态环境系统，其中主要障碍因素为农用塑料薄膜使用量、农用化肥使用量、土壤有效磷和农业机械总动力等. 研究结果对提升土壤生态修复综合效益、推进受污染耕地安全利用和保障国家粮食安全具有重要的参考价值. |
| 英文摘要 |
| To explore the benefit of soil improvement and restoration models in typical counties of Shandong Province，we constructed a multi-dimensional system of “soil condition-ecological environment-economic society” comprehensive benefit evaluation index system and utilized the entropy-weighted TOPSIS comprehensive evaluation model，Kernel density estimation，coupling coordination model，and obstacle factor diagnostic model to fully analyze the comprehensive benefits of soil improvement and restoration model in typical counties of Shandong Province from 2019 to 2022. The results showed that：① The comprehensive benefit level of soil improvement and restoration model in typical counties showed a fluctuating upward trend，the gap between counties was narrowing，and there was a non-synchronization in the development of subsystems. ② The coupling coordination degree of soil improvement and restoration model in various counties showed a fluctuating increasing trend，which revealed a strong “Matthew effect.” ③ The influence of each system layer on the level of comprehensive benefits，in descending order，was the economic and social system，the soil condition system，and the ecological environment system，and the main obstacles were the use of agricultural plastic film，the use of agricultural fertilizers，the effective phosphorus of the soil，and the total power of agricultural machinery. The results of the study have important reference value for enhancing the comprehensive benefits of soil ecological remediation，promoting the safe utilization of contaminated arable land，and contributing to the guarantee of national food security. |
