Fauna and flora of Daikoku-jima Island, Hokkaido, northern Japan: model study of the complete eucaryotic biota in an area

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Only after we know the biodiversity on Earth, it will be possible to protect the biodiversity, to solve the environmental problem, and to ensure the sustainability of human life. Nobody, however, at present could answer the question "How is the biodiversity?" The present study is the unprecedented try to reveal the whole figure of the biodiversity in an area and planed under the ground swell of solving the environmental problem we are facing.This study focused on the fauna and flora on and around Daikokujima Island which is 1 km^3 and located at the mouth of Akkeshi Bay, Hokkaido. As a result of four year survey, we successfully revealed whole figure of the biota including soil protists, collembolans, oribatid mites, parasitic mites on plants, soil mites, vascular plants, invertebrates, fishes, rodents etc., and reported five new species and 25 new records in Japan.