Peatlands of the World

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Japan

The country has 200,000 ha² of peatlands which are largely found on the island of Hokkaido, mainly in river basins and estuaries, but also in mountainous areas. The peat formed contains large amounts of mineral matter caused by river flooding and the deposition of volvanic mineral ash. The greater part of the lowland mires has been developed and reclaimed for farmland, mainly for rice paddy and grassland. Exploitation for horticulture is almost non-existent.

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Northern mire with Picea glehni forest.
Copyright Tatsuichi Tsujii 1999.

Kushiro mire, the largest mire in Japan.
Copyright Tatsuichi Tsujii 1999.

Typical wetland forest. Alnus japonica with Lysichiton camtschatcense (Japanese skunk cabbage) community.
Copyright Tatsuichi Tsujii 1999.

Numa-no-hara, alpine mire in central massif.
Copyright Tatsuichi Tsujii 1999.

Kushiro Shitsugen, mire complex, Hokkaido.
Copyright Michael Steiner 1999.

Ochiishi Shitsugen, Hokkaido.
Copyright Michael Steiner 1999.

Ochiishi Shitsugen, Hokkaido.
Copyright Michael Steiner 1999.

Small mountain mires in the Lake Rausu Area, Hokkaido.
Copyright Michael Steiner 1999.

Small mountain mires in the Lake Rausu Area, Hokkaido.
Copyright Michael Steiner 1999.

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	Northern mire with Picea glehni forest. Copyright Tatsuichi Tsujii 1999.
	Kushiro mire, the largest mire in Japan. Copyright Tatsuichi Tsujii 1999.
	Typical wetland forest. Alnus japonica with Lysichiton camtschatcense (Japanese skunk cabbage) community. Copyright Tatsuichi Tsujii 1999.
	Numa-no-hara, alpine mire in central massif. Copyright Tatsuichi Tsujii 1999.
	Kushiro Shitsugen, mire complex, Hokkaido. Copyright Michael Steiner 1999.
	Ochiishi Shitsugen, Hokkaido. Copyright Michael Steiner 1999.
	Ochiishi Shitsugen, Hokkaido. Copyright Michael Steiner 1999.
	Small mountain mires in the Lake Rausu Area, Hokkaido. Copyright Michael Steiner 1999.
	Small mountain mires in the Lake Rausu Area, Hokkaido. Copyright Michael Steiner 1999.