[HGG01-P03] Function changes of premises forests in agricultural village, Iki island, Western Japan
Keywords:Premises Forests, Multiple Functions, Rural Landscapes, Maintenance and Management , Iki Island
The surveys of interviews and questionnaires clarified the fact that Sedon-Yama is placed as premises forests. Premises forests are secondly vegetation grown by people living nearby their houses, which play some important roles, such as for windbreak, for obtaining food, fuel, for borders between neighbors, and the shade of houses. These roles used to be deep-based on the lives of villagers from the late Edo period to the 1950s. From the surveys, premises forests surround the main houses, which implies the factors of Sedon-Yama as shading. But nowadays, the function of windbreak has played the main part, and many other parts have been losing their importance. From interviews and questionnaires, both positive and negative opinions of Sedon-Yama are claimed by residents. The positive opinions point out the expectation of windbreak and importance of ancestral heritage’s succeeding. On the other hands, the high cost of maintenance of Sedon-Yama makes some residents feel uncomfortable. The structural changes in house architecture from thatched-roof houses to tile-roofed houses has also made the importance of premises forests decrease. Thus, some people even suggest that the situation should be better if they could cut down the trees.
Today, it can be said that as functions the necessity of Sedon-Yama is growing lower. And the high maintenance cost of them compels a burden on residents. This leads a result that the decrease of the houses owning their premises forests. However, not many people have negative opinions on Sedon-Yama, the number of premises forests may not decrease rapidly. Because the activities related to maintenance of them are not seen, the decrease of them can be a natural and unstoppable fact. If the conservation of Sedon-Yama is done, the values of them being worth maintaining is required. Not only discovering new functions but also the strengthen of functions today’s Sedon-Yama contain is needed. From now on, besides additional detail researches, the function of windbreak has to be analyzed and discussed.