|Central coordinates||136o 53.00' East 34o 48.00' North|
|Altitude||0 - 30m|
|Year of IBA assessment||2004|
Site description It is one of the largest breeding sites of Great Cormorant in Japan. Great Cormorants have occurred in this site since around 1829 and they were historically well protected because their droppings could be utilized as fertilizer. Around 12.17 ha of the area surrounding Unoyama has been designated as a National Natural Monument for the breeding colony of Great Cormorant.
|Species||Season||Period||Population estimate||Quality of estimate||IBA Criteria||IUCN Category|
|Great Cormorant Phalacrocorax carbo||winter||2004||present||-||A4i||Least Concern|
|Protected area||Designation||Area (ha)||Relationship with IBA||Overlap with IBA (ha)|
|Mikawa Wan||Quasi National Park||9,443||unknown||0|
|IUCN habitat||Habitat detail||Extent (% of site)|
|Wetlands (inland)||Freshwater lakes and pools||-|
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Recommended citation BirdLife International (2015) Important Bird Areas factsheet: Unoyama. Downloaded from http://www.birdlife.org on 29/05/2015
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