Abstract

This study has focused on investigating environmental problems, attributed from contaminations of natural water and soil in Shiragami mountainous region and Yakushima Island. Since the number of tourists, who enter the mountain, has increased, influences on the natural environments in both areas, resulted from human activities such as utilizations of toilets, lodges and camp sites, has become remarkable. Therefore, it is important to characterize the circumstances of both areas from the chemistry point of view. Concentration of nitrogen contained in nitric acid and ammonia in both soil and natural water has been analyzed. Using the results obtained from the chemical analyses, the environmental problems caused by man activities are discussed in this study.

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