Abstract
The third world forum was held in Japan and A G8 Action Plan about Water was made in a main country summit meeting last year. The water problem is considered to be an international problem and becomes the problem that must wrestle with all over the world led by the United Nations. The present authors have reported about the importance of natural water and soil environment through the results of investigations in Yakushima Island of World Natural Heritage, Mikurajima Island of Toukyo where a giant tree grew thick, Iriomote island of Okinawa with original nature and so on. As well as Yakushima Island, Sirakami Mountain of Akita and Aomori prefecture was also listed as a World Natural Heritage Site by UNESCO in December 1993. Sirakami Mountain is known for virgin forest of beech that grows there. The objective of this study is to examine the feature of natural water and soil environment in which the virgin forest of beech tree could grow up, and to look for the way we can do for the preservation of nature in the future. The various chemical microanalyses were mainly carried out on the many samples of natural water, snowfall and soil obtained neighborhood the buffer and core areas of Sirakami Mountain. Based on the results of many chemical measurements, the present authors discuss about the actual situation of natural environment in Sirakami Mountain.
