Damage expansion by wild boar (Sus scrafa) and local farmer's intension to counter measure in Gogo-shima and Tsuru-shima islands were studied based on hearing and questioner survey. In Gogo-shima, sporadic damage phase exists for about 6 years after confirming inhabitation. After damage increase phase of about 4 years, grate damage phase has not yet started in 2017. In Tsuru-shima, a very small island, wild boar has immigrated but not colonized. Local government and university worked together to make opportunity for local people getting information and learning about wild boar. As results, local people tend to understand wild boar expansion, but to depend just only capturing as well as local government and farmers' cooperative organization.

In this study, to describes about significance and process of creating “hazard map with agricultural information”. Recently, hazard maps are attracting attention due to it is increase natural disasters, however, it does not take into account information related to agriculture. Therefore, we tried to creating hazard map based on a new concept in case of Yura area, Gogoshima Island in Matsuyama City, Ehime Prefecture. We emphasized the famerʼs knowledge and experience in the presses. In this study, three surveys were conducted in relation to the development of the agricultural version of the hazard map at Yura area, Gogoshima Island. The purpose of the first survey was to gather information on map making. A pre-map was developed based on the results of the first survey. The second survey used the pre-map to confirm the first survey and to add new information. In the second survey, new information was added, such as the condition of the landslide farmland and place names. The first and second surveys were conducted in a workshop format. The third survey involved reviewing the “The hazard map with agricultural information version Mar. 2020”. We then discussed how to use the maps and where to store them, but this discussion was initiated voluntarily by the farmers. The creation of the map not only fosters residentsʼ awareness of future disaster prevention and mitigation, but also serves as a model for rural communities that are resilient to disasters and can be restored and reconstructed at an early stage, and the hazard maps we created will be used in the future for inheritance of knowledge and at new disasters.

瀬戸内火山岩類は九州東部の大野地域から愛知県東部の設楽地域にかけて，中央構造線沿いにおよそ600 kmにわたり分布する．瀬戸内火山岩類を特徴付ける岩石種のひとつである高Mg安山岩は大野地域から紀伊半島中部の範囲で見られ，松山周辺では高縄半島から防予諸島にかけて広く分布する．本巡検対象の松山周辺では，安山岩類の多くは小規模な岩頸あるいは岩脈として産するため，貫入様式の観察には好適である．さらに瀬戸内火山岩類にはピッチストーンなどを含む珪長質火山岩類も広くみられる．この珪長質火山岩類は，松山周辺では砕屑岩および火砕岩からなる高浜層群，