Hichirippunuma Pond

About Hichirippunuma Pond

A shallow, brackish lagoon-origin lake with an intricate shoreline west of the Kiritappu Wetland. It was designated part of the Kiritappu Wetland Ramsar Site in 1993 together with Mosappunuma. The 1991 survey recorded Japanese smelt, gobies and sticklebacks, and mallards, greater scaup and whooper swans in winter.

Sources: Ministry of the Environment, Ramsar Site leaflet: Kiritappu-shitsugen, Environment Agency of Japan, Lake Survey Report: Data Appendix (1993) (sources in Japanese)

Lake data

Area

3.78 km²#21 in Hokkaido

Maximum depth

5.7 m#33 in Hokkaido

Average depth

0.9 m

Surface elevation

0 m

Transparency

1.3 m#37 in Hokkaidoas of the 1991 survey

Origin

Lagoon-origin lake

Lake type

Dystrophic

Fresh or brackish

Brackish

Freezing

Freezes in winter

Unmodified lake

No

Natural park

Akkeshi-Kiritappu-Konbumori Quasi-National Park

Ramsar Convention

Ramsar Site

Lake number

0600number in the national lake survey

Sources: Geospatial Information Authority of Japan, Area Statistics of Prefectures and Municipalities 2026 (as of July 1), Geospatial Information Authority of Japan, Lake Survey (surveyed 2004), Environment Agency of Japan, 4th National Survey on the Natural Environment: Lake Survey Report (1993). Area and depth use newer figures from the Geospatial Information Authority of Japan where available. Origin, lake type, transparency, freezing and unmodified status are as of the 1991 survey.

Themes that include Hichirippunuma Pond

• Lagoon-origin lakes
• Dystrophic lakes
• Brackish lakes