Study on the Environmental Conservation Function of Paddy Field through the Casestudy in Nose-cho, Osaka Prefecture

YAMAMOTO Satoshi, MASUDA Noboru, SHIMOMURA Yasuhiko, ABE Daishu, FUKUI Wataru, MACHITANI Tomoe

doi:10.5632/jila.61.589

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大阪府能勢町における水田を中心とした農業・農村空間が保有する景観および生物の保全機能に関する研究
オオサカフノセチョウニオケルスイデンオチュウシントシタノウギ

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Abstract

The species composition conservation function of rural space and its landscape conservation function are assessed in Nose-cho, Osaka Prefecture. The relationships among the assessing results are studied in detail, the environmental characteristics indicated by land use and topography, and the passing years after the consolidation projects were implemented. It is concluded that the visual quality of terraced paddy field without consolidation projects is scored higher in the study area. The highest plants diversity is also result with which the invasion rate of alien plants are lower. On the other hand, the big bank created by the field consolidation have a great negative impacts on the visual quality, and species composition of the bank. Big bank have more alien species than the small and not consolidated bank. Although the visual quality is assessed a little higher regardless of the year when the consolidation projects was undertaken, the study results show that the later the date of consolidation projects is, the higher the invasion rate becomes, and the lower the conservation function of native species tends to become.

Journal

Journal of The Japanese Institute of Landscape Architecture

Journal of The Japanese Institute of Landscape Architecture 61 (5), 589-592, 1998-03-30

Japanese Institute of Landscape Architecture

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