沉水植物对水生生态系统的影响

quatic plants are important indicator of Aquatic ecosystems development. The process of the whole life history of submerged macrophytes is completed in water. Therefore, submerged macrophytes form adaptation and coordination relations with water environment. They for maintenance the diversities of livings in water, promotion of self purification of the water body and other aquatic plants survival and development have an important impact. This passage discusses submerged macrophytes effect on aquatic ecosystems and environmental values from these aspects: ⑴The status of submerged macrophytes is in aquatic ecosystems; ⑵environmental factors effect on them; ⑶they effect on fishery value.