景观生态学在大气污染研究中的应用
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中国科协青年人才托举工程(2017QNRC001)


Application of landscape ecology in air pollution research
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    摘要:

    快速城市化和工业化进程造成了一系列大气污染问题,亟需在宏观尺度上解析大气污染时空分布规律。景观生态学关注格局与过程耦合,景观"源汇"理论可对应解析大气污染物的源与汇效应,将景观生态学的理论与方法引入大气污染研究中已成为解决当前区域发展与大气污染权衡的有效途径。从景观生态学视角辨识了景观与大气污染物的源汇关系,系统梳理了景观格局与大气污染的定量关系,指出当前景观格局指标仍需进一步完善以表征大气污染时空分布特征,而高质量大气污染物时空数据的缺乏是限制景观格局与大气污染过程耦合分析的重要因素,拓展应用景观"源汇"理论,定量解析景观格局对大气污染的源汇效应,同时进一步研发遥感反演技术,实现大气污染物分布格局的精细刻画,将为区域景观规划提供重要支撑。强化大气污染研究中的景观生态学分析途径,将有助于深化景观生态学格局与过程耦合研究体系,也将为景观可持续管理提供有力的科学支撑。

    Abstract:

    Rapid urbanization and industrialization process have caused a series of atmospheric pollution problems, and it's necessary to explore the spatio-temporal distributions of atmospheric pollution at macro scale. Landscape ecology focuses on landscape pattern and process coupling. The "source-sink" theory of landscape ecology can be applied to analyze the source and sink effects of atmospheric pollutants. Introducing the theory and method of landscape ecology to air pollution research has become an effective way to solve the problem on the tradeoff between current development and atmospheric pollution. From the perspective of landscape ecology, the relationships between landscape and source and sink of atmospheric pollutants were identified. The quantitative effects of landscape pattern on atmospheric pollution were also reviewed. We found that the current landscape pattern index should be improved to characterize the spatial and temporal distribution characteristics of atmospheric pollution, and the lack of high-quality spatio-temporal air pollutants data limited coupling analysis of landscape pattern and the atmospheric pollution process. Expanding the application of landscape "source-sink" theory, quantitatively analyzing source and sink effects of atmospheric pollutants, and developing remote sensing techniques to characterize atmospheric pollutants distribution pattern would provide important support for regional landscape planning. Strengthening the approach of landscape ecology analysis in air pollution research will extend the landscape ecology system on pattern and process coupling and will provide scientific supports for sustainable management of landscape.

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权秋梅,王聪,杨磊,刘焱序,孙艺铭,王超.景观生态学在大气污染研究中的应用.生态学报,2021,41(2):435~443

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