เนื่องจากเขื่อนเป็นการสิ่งก่อสร้างข

Since the dam was built across the river. Cause water to accumulate in the area above the dam. As a result, the land area above the dam was flooded for a long time. Most of the land that is forested.Which held that the land is fertile. Thus, the flooding in the area has an abundance. Will result in loss of soil resources as well.

Because of the dam's construction across the River, flowing water accumulated in the North area of the dam until the North area of land as a result of dams were flooding for a long time, most of the land is forest. Which can be considered as a fertile land. Therefore, the flooding in the area has an abundance of soil resources will be lost.

As a Dam construction across the river, the water flows over the dam, and accumulated in the area as a result of land area over the dam is flooding for a long time, most of the area is forest land.which is considered a land that is rich, so that the flooding in the area. There are a lot of fertile land will be made to the loss of resources.