1.江西水利电力大学瑶湖学院,江西 南昌 330099
2.福建省水利水电科学研究院,福建 福州 350001
3.南京水利科学研究院,江苏 南京 210029
4.江西水利电力大学水利工程学院,江西 南昌 330099
石莎,女,副教授,博士,研究方向为城市水力学及城市水安全评价与保护。
收稿:2026-07-06,
修回:2026-08-27,
录用:2026-08-31,
网络首发:2026-09-23,
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曾晴,李世恩,阮伟芳等.基于PCA和AHP的幸福河湖生态产品价值转化成效评价[J].人民珠江,DOI:10.3969/j.issn.1001-9235.XXXX.XX.001.
ZENG Qing,LI Shi-en,RUAN Weifang,et al.Assessing Ecological Product Value Transformation Effect of Happy Rivers and Lakes Using PCA and AHP[J].PEARL RIVER,
曾晴,李世恩,阮伟芳等.基于PCA和AHP的幸福河湖生态产品价值转化成效评价[J].人民珠江,DOI:10.3969/j.issn.1001-9235.XXXX.XX.001. DOI:
ZENG Qing,LI Shi-en,RUAN Weifang,et al.Assessing Ecological Product Value Transformation Effect of Happy Rivers and Lakes Using PCA and AHP[J].PEARL RIVER, DOI:10.3969/j.issn.1001-9235...001.
生态产品价值转化成效评价是生态产品价值实现的重要基础。当前幸福河湖研究缺少生态产品价值转化专项评价,主成分分析法(PCA)与层次分析法(AHP)单赋权体系缺乏稳健性验证,研究采用PCA与AHP双赋权法、模糊综合评价法构建幸福河湖生态产品价值转化成效综合评价模型,开展幸福河湖生态产品价值转化成效评价;采用指标贡献分析法和弹性分析法识别主要影响因素和敏感性指标;并设置基准、生态优先和产业协同3种发展情景预测2030年生态价值转化趋势。结果表明:(1)PCA和AHP的生态产品价值转化成效评价结果具有较好一致性;(2)2019—2023年桃溪流域生态产品价值转化处于良好状态,并呈平稳上升趋势;(3)PCA-AHP双赋权综合评价模型对准则层小幅权重(0.1)波动敏感度较低,模型抗干扰能力较强,测算结果具有较好的稳健性;(4)工业增加值占GDP比重、游客数量、旅游总收入、农村常住居民人均可支配收入为主要影响因素,影响程度在不同年份间存在轻微波动;(5)多个高敏感指标分别对生态产品价值转化存在促进或抑制作用,单位公益林面积林业贷款贴息和农林牧渔业产值占GDP比重为敏感性最大的指标,均反映为促进作用;(6)桃溪流域2023年产业协同情景生态产品价值转化效果最优,表明生态保护与产业协同是提升该流域生态产品价值转化效率的关键路径。研究为流域生态产品价值实现与幸福河湖建设提供了量化依据与决策参考。
The evaluation of ecological product value transformation effect serves as a fundamental prerequisite for the realization of ecological product value. Current research on happy rivers and lakes lacks specialized evaluation systems for the transformation of ecological product value
and the single weighting systems based on Principal Component Analysis (PCA) and Analytic Hierarchy Process (AHP) are deficient in robustness verification. Taking a typical river basin as the research carrier
this study constructs a PCA-AHP dual weighting system that integrates the advantages of subjective and objective weighting methods. Combined with the fuzzy comprehensive evaluation method
a comprehensive evaluation model for the transformation effect of ecological product value in the construction of happy rivers and lakes is established to systematically assess the temporal transformation effect of watershed ecological product value. Furthermore
the indicator contribution analysis method and elasticity analysis method are adopted to accurately identify the core influencing factors and highly sensitive indicators driving ecological product value transformation
and clarify the action intensity
action direction
and inter-annual fluctuation characteristics of each indicator. Based on the actual development conditions of the river basin
three differentiated development scenarios including baseline development
ecological priority
and industrial coordination are set to dynamically simulate and predict the development trend and optimal development path of ecological product value transformation in the Taoxi River Basin by 2030.The research results indicate that: (1) The evaluation results of ecological product value transformation effect obtained by PCA and AHP show good consistency
which verifies that the dual weighting integration model can effectively avoid the limitations of single weighting methods; (2) From 2019 to 2023
the transformation of ecological product value in the Taoxi River Basin remained in a good state with a steady upward trend; (3) The PCA-AHP dual weighting comprehensive evaluation model has low sensitivity to small weight fluctuations (0.1) at the criterion layer
presenting strong anti-interference ability and reliable calculation results
which is suitable for the long-term evaluation of watershed ecological product value transformation; (4) The proportion of industrial added value in GDP
tourist quantity
total tourism revenue
and per capita disposable income of rural permanent residents are the core influencing factors
whose influencing intensities show slight inter-annual fluctuations; (5) Multiple highly sensitive indicators exert promoting or inhibiting effects on ecological product value transformation. The per-unit public welfare forest area forestry loan discount and the proportion of agriculture
forestry
animal husbandry and fishery output value in GDP are the most sensitive indicators
both of which present significant promoting effects; (6) The industrial coordination scenario achieves the optimal effect of ecological product value transformation in the Taoxi River Basin in 2023
demonstrating that the coordination of ecological protection and industrial development is the key path to improve the efficiency of ecological product value transformation in the basin. This study provides a quantitative basis and decision-making reference for the realization of watershed ecological product value and the construction of happy rivers and lakes.
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