植生と土壌中に供給される有機物の量の関係

概要

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An experimental pedogenetic study was carried out for clarifying the mechanism of humification. I set up a material in the soil, to catch the organic substance which moved through the soil. The materials were 'scoria' and top soil and sub soil of Andosol. The investigation forest is showed in Table 1. The result was as follows. The amount of the organic substance catching has increased while becoming the climate of cool temperated forest (Mt. Naeba, Mt. Kokushi) from sub-tropical forest (Ogasawara). There was differing to catching the organic substance in the coniferous forest and the broad-leaved forest in the region of the same environment (Mt. Tsukuba-2, 3, 4). In scoria, the coniferous forest caught organic substance more than broad-leaved forest. But in Andosol, the coniferous forest caught the organic substance more than the broad-leaved forest. There was a difference in the ability which was able to be caught with the material.
国立科学博物館の論文