【摘要】 水体混浊是目前湖泊面临主要环境问题,其造成沉水植被大面积退化。大多数沉水植物进行无性繁殖,其芽库动态是沉水植被更新、群落动态以及抵御外界环境压力的重要基础。然而,以往对芽库的研究大部分来自陆生植物,针对沉水植物芽库的研究还鲜见报道。通过综述近年来对国内外沉水植物的研究,以浅型湖泊浊水稳态水下光环境为切入点,阐述了浊水稳态条件下,导致沉水植物多样性及其芽库降低的可能原因与生态过程。试图建立沉水植物芽库与水下光环境的联系,探究不同水下光环境下沉水植被芽库功能多样性的响应策略。研究结果揭示了混浊水体环境中沉水植被的演替过程机理,为国内湖泊沉水植被生态恢复提供理论依据。更多还原

【Abstract】 Water turbidity is currently the main environmental problem many lakes facing,causing extensive degradation of submerged vegetation.Most submerged macrophytes are asexually propagated,and their bud dynamics are an important basis for submerged vegetation renewal,community dynamics,and resistance to external environmental stress. However,most of the previous studies on bud banks came from terrestrial plants,and studies on submerged macrophytes bud banks have rarely been reported.Through the research on submerged macrophytes at domestic and abroad in recent years is reviewed.The steady underwater light environment of shallow lakes is taken as the entry point,and the possible causes and ecological processes of submerged macrophytes diversity and bud reduction are explained.Trying to establish the relationship between the submerged macrophyte bud pool and the underwater light environment,and to explore the response strategies of the phytoplankton functional diversity of submerged vegetation under different underwater light environments.The results of this study will reveal the succession mechanism of submerged vegetation in turbid water environment,and provide a theoretical basis for the ecological restoration of submerged vegetation in China.更多还原