To create a dam to prevent the flow of sediment which may affect natural ecosystems in an overview of rivers and river influence the whole system, including the marine ecosystem.
The dam's reservoir sediment flow naturally. This could affect the overall ecosystem of the river. And the impact on the river system, including the marine ecosystem.
The dam is a dam flow and sediment transport in nature. Which may affect the overall ecosystem of the river. And its impact on river system, including marine ecosystems