広島県瀬戸田地区の植生図(1994年)

概要

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The vegetation map has a lot of information on regional environment. Vegetation type and its distribution often reflect the site condition and disturbances on the nature and social aspects. The vegetation map is important information not only to record the actual vegetation academically, but also to discuss the regional management plan for future. Setoda region, Hiroshima Prefecture is one of the most famous place for the citrus cultivation and tourism for historical facilities and inland sea resort. This region has also natural coast and secondary forests. The Honshu-Shikoku Bridge project has progressed around this region. The route of the project to pass through the Ikuchi island, Setoda region. We are afraid of the change of nature and social environment in future of this region. The vegetation map of Setoda region is described is described at a scale of 1 : 25,000 in 1994. The types of vegetation and its boundary were confirmed by field survey and interpretation of air photographs. Vegetation types were named on focusing the physiognomy of forest and land-use. Field survey was carried out in 1993-1994. Air photographs taken in 1989 and 1991 ware used. Totally, 19 kinds of vegetation types were appeared. The explanation of the map was described in this paper.