Issues of nation -wide actual vegetation maps from the aspect for application
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概要
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Issues of nation-wide actual vegetation maps from the aspect for application were discussed from the historical point of views. In 1969, the first nation-wide actual vegetation maps drawn to a scale of 1 : 200, 000 were produced by the agency for cultural affairs, Japan. In 1973, the 1<SUP>st</SUP> national survey on the natural environment Japan was started. Environment agency produced the same scale actual vegetation maps as a part of this survey. The main aim of these vegetation maps was to show the status of natural environment that destroyed by rapid economic development in those days as well as selecting lands that should have been protected immediately by setting up protected areas. During the 2<SUP>nd</SUP> and the 3<SUP>rd</SUP> national survey of the natural environment periods in 1980s, the actual vegetation maps at a scale of 1 : 50, 000 covered the whole land of Japan, and they were revised at the 4<SUP>th</SUP> and the 5<SUP>th</SUP> survey by applying the remote sensing data. The main purpose of these 1 : 50, 000 actual vegetation maps were the applications for regional planning and environmental impact assessment. However, the most remarkable application of them was designating wilderness areas and nature conservation areas. Since the 6<SUP>th</SUP> national survey, vegetation mapping at a scale of 1 : 25, 000 were started. However, due to massive task for mapping and deficient budget, it is estimated that this project will be accomplished some 20-30 years later. Nowadays, the actual vegetation map is expected as basic information for nature conservation and restoration such as drawing ecotope maps and potential habitat maps of wildlife. But, the present status of the vegetation-mapping project is not reached to these kinds of expectation. From hence, vegetation classification map produced by remote sensing data interpretation is recommended to provide basic data for various usages as soon as possible. At the same time, efficient methods for mapping plant sociological actual vegetation map such as combination of remote sensing and expert knowledge is required to develop.
- 日本景観生態学会の論文
日本景観生態学会 | 論文
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