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In Situ Study on the Processes and Mechanisms for Depletion of Gaseous PAHs by Mangrove Canopy

Abstract

森林植被不仅能控制、修复大气中持久性有机污染物(persistentorganicpollutants,POPs)污染水平,还可消减其长距离传输的强度,对生态环境保护具有重要的现实意义。红树植物是热带、亚热带河口优势植物物种,是该生态系统的重要初级生产者,是维护海岸生态平衡的重要生态系统,对净化海域起着十分重要的作用,素有“海上森林”之称。河口区域经济与工农业发展致使大量的污染物,尤其是多环芳烃(polycyclicaromatichydrocarbons,PAHs)进入河口红树林湿地,因而揭示红树植物控制、修复PAHs污染过程、机制,对于加强人类健康保护、海洋污染控制十分重要。目前,有关红树...Given the proportion of the earth’s surface covered by forests, their role in influencing POPs fate on a regional or global merits consideration, and air-vegetation exchange have been reported to play an important role in reducing atmospheric concentrations, environmental persistence and regional/global cycling of persistent organic pollutants (POPs). Mangrove systems are unique transitional coast...学位:理学博士院系专业:环境与生态学院_环境科学学号:2262011015364

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