JP091Lake Toyanogata

Site Description

Wetlands

Toyanogata is a lagoon of 167 ha in the center of Niigata City. It functions as a flood control basin in Niigata Plain, so it has not been drained for other development purposes, even though it is within city limits. There are reed beds around Toyanogata, and Nuphar japonicum and Trapa japonica grow in the lagoon. In the inlet at the northeastern side of the lagoon, there is another islet which was formed with layers of aquatic plants.

There are two parks on the north and south sides of the lagoon, and full-grown trees such as Prunus x yedoensis make a grove. On the south of Toyanogata, there is Seigorogata lagoon. The northwestern part of Seigorogata was reclaimed for a garden. However, reed beds and aquatic plants such as Trapa japonica are found on what remains of Seigorogata lagoon.

Area & Coordinates

264ha 37°53′N 139°03′E
region: Kohshinetsu Hokuriku

Category

A4i

Designation Type

Wildlife Protection Area (Local)

Protection Status

Unprotected

Conservation issues

• Industrialization/urbanization
• Drainage
• Construction/impact of dyke/dam/barrage