抄録
The reservoir was constructed artificially. Recently, the number of reservoirs has decreased with urbanization and the development of the surrounding. Development depraves the water quality by the inflow and the illegal disposal of earth and sand.Moreover, the discharge of the exoticism is a serious problem in the pond ecosystem. The present study clarifies what surrounding spectacle and relation the biodiversity of the reservoir keeps. Moreover, the present study examines maintenance of the reservoir, various managing natural environment, and relations with the person.
