基于Meta分析的土地利用类型对地表水水质的影响研究
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作者单位:

1.华中农业大学;2.新西兰惠灵顿维多利亚大学

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X52

基金项目:

湖北省哲学社会科学基金重大项目(23ZD115)


Research on the Impact of Land Use Types on Surface Water Quality Based on Meta Analysis
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1.华中农业大学;2.Victoria University of Wellington;3.Huazhong Agricultural University

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    摘要:

    [研究目的]土地利用类型是人类生产活动与生态环境关系的重要表现形式,与地表水水质间的关系尤为密切。研究土地利用类型与地表水水质之间的关系,为推进水生态文明建设提供重要保障。[研究方法]本文基于70篇文献的研究数据,采用Meta分析法研究土地利用类型对地表水水质的影响。[研究结果](1)不同土地利用类型对水质指标的影响不同,且在不同的缓冲区,土地利用类型对水质的影响也存在差异;(2)草地、耕地、建设用地与林地对地表水水质影响较大,水域及未利用地对地表水水质的影响较小,其中草地和林地面积的扩大有利于水质的改善和净化,而耕地和建设用地面积的扩大则对水质的改善起到负向作用;(3)流域环境特征和文献研究特征也会对研究结果产生影响。[结论]针对流域水质的治理,应适当关注土地利用类型变化的影响,同时在后续关于该领域的相关研究中,应重点关注研究方法的改进,提升研究的科学性。

    Abstract:

    This article is based on research data from 70 articles and uses meta-analysis to study the relationship between land use types and surface water quality, in order to provide important references for promoting China's water ecological civilization construction. The results showed that: (1) Grassland, cultivated land, construction land, and forest land have a significant impact of 1% on water quality indicators such as COD, TN, and TP, and the impact effect is still significant at different scales such as 100 meters, 200 meters, and 500 meters in the buffer zone; The significance level of the impact of water bodies and unused land on various water quality indicators is relatively low. (2) The environmental characteristics of the watershed have a strong impact on the research results. Compared to the buffer scale, the research results based on watershed scale reduced the significance of the effect value; From a geographical perspective, the significance of research results based on the eastern region is relatively low; From a seasonal perspective, the significance of research results during the wet season is higher compared to those during the normal season. (3) The characteristics of literature research can also have an impact on the research results. The increase in the number of sampling points and explanatory variables can reduce the significance of research results, and differences in literature research methods and institutions can also lead to differences in research results.

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  • 收稿日期:2024-09-02
  • 最后修改日期:2024-11-25
  • 录用日期:2024-11-26
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