Tonegawa estuary, Hazaki coast

Country/territory: Japan

IBA Criteria met: A4i (2004)
For more information about IBA criteria please click here

Area: 1,200 ha

Protection status:

Wild Bird Society of Japan
Most recent IBA monitoring assessment
Year of assessment Threat score (pressure) Condition score (state) Action score (response)
2010 low not assessed negligible
For more information about IBA monitoring please click here

Site description
Tonegawa estuary has a large reed beds dotted with fallow fields and ponds, as well as golf courses. Near the estuary weir, the main stream of the Tonegawa, the Hitachigawa and the Kurobegawa rivers meet. We can see a large tidal flat around Tone Kamomeohashi bridge at low tide. This area is the habitat of some kinds of aquatic invertebrates like sandworms and shellfishes. Its vegetation is characterized by coast plants including Pinus thunbergii, Machilus tunbergii, Pittosporum tobira and Rose rugosa. Hazaki fishing port and its coast have sand and clay layer, where some kinds of annelids and mollusks live.

Recommended citation
BirdLife International (2020) Important Bird Areas factsheet: Tonegawa estuary, Hazaki coast. Downloaded from on 28/11/2020.