Inorganic chemistry of bulk deposition in TOEF, Japan. The data are published in Shibata, H., and T. Sakuma (1994) Acid Deposition at Forest Regions in North-Western Part of Tomakomai, Jpn. J. Soil Sci. Plant Nutr., 65: 313-320. (in Japanese with English Summary); Shibata. H., Satoh, F., Tanaka, Y. and Sakuma, T. (1995) The role of organic horizons and canopy to modify the chemistry of acidic deposition in some forest ecosystems. Water, Air, and Soil Pollution 85: 1119-1124.; Shibata, H. and T. Sakuma (1996) Canopy Modification of Precipitation Chemistry in Deciduous and Coniferous Forests Affected by Acidic Deposition. Soil Science and Plant Nutrition 42: 1-10.; Shibata, H., M. Kirikae, Y. Tanaka, T. Sakuma and R. Hatano (1998) Proton Budgets of Forest Ecosystems on Volcanogenous Regosols in Hokkaido, northern Japan, Water, Air, and Soil Pollution 105: 63-72.; Shibata, H., F. Satoh, K. Sasa, M. Ozawa, N. Usui, O. Nagata. Y. Hayakawa and R. Hatano (2001) Importance of Internal Proton Production for the Proton Budget in Japanese Forested Ecosystems. Water, Air, and Soil Pollution 130: 685-690.