水文特征对水生植物的影响

Effects of Hydrological Characteristics on Aquatic Plants

水位、水流等水文特征是影响水生植物的重要因素。水生植物对水位变动的响应主要包括形态特征、生物量、物种分布和物种结构的改变。另一方面,水位变动被认为是一个环境干扰因子,适度的水位变动有利于增加物种多样性;长期的水位变动在植物群落演替上扮演重要的角色。水流不仅能影响水生植物群落结构和物种分布,还能影响其繁殖传播、新陈代谢过程和形态特征。

Hydrological characteristics, such as water level and water flow, are significant factors influencing macrophytes. Macrophytes exhibit a series of changes including morphological characteristics,biomass allocation patterns, distribution pattern in response to water level fluctuations. Also, water level fluctuations can be considered as an environment disturbance factor.Under moderate water level fluctuations, the species diversity will increase,and perennial water level fluctions play an important role in community succession. Water flow can affect structure of the community and species distribution, as well as the production, metabolic processes and morphological characteristics of macrophytes.