Asian River Restoration Network (ARRN)

The Asian River Restoration Network was established in Nov. 2006 to support the exchange of information relating to environmental restoration of rivers and watersheds. JRRN has a role of ARRN secretariat currently.

Go to ARRN website

Contact us (Secretariat)

Lofty Chuoh Bldg., 7th Flr.

17-24, Shinkawa 1cho-me, Chuo-ku, Tokyo 104-0033, JAPAN

Foundation for Riverfront Improvement and Restoration
Tel: +81-3-6228-3860
Fax: +81-3-3523-0640


< World's WATERFRONT: JAPAN Entry Archive >

Restoration of Hayazaki Inland Lake (Nagahama City, Shiga Prefecture)

Inland lakes have diversified functions represented by natural ecosystem maintenance and water quality improvement. Hayazaki Inland Lake, which contacts Biwa Lake, was once the largest spawning ground of endemic carassius cuvieri in Biwa Lake, where precious plants including vallisneria natans and brambles were grown and aquatic birds such as tachybaptus ruficollis and resident birds lived. However, the area has been shrunk by agricultural land reclamation. Also the disappearing waterfront ecotone due to the construction of the dike on the lakeside is affecting the growth of various indigenous organisms.
For this reason, Hayazaki Inland Lake Restoration Project was inaugurated as a leading-edge project to conserve the Biwa Lake ecosystem. Since 2001, regeneration of the inland lake by flooding an area of 17 ha out of the 89 ha reclaimed agricultural land has been studied.


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