自然の利用と保護 : 自然・昆虫・人間社会
Published in Kyushu University Institutional Repository (QIR) (Kyushu University) • Sep 1, 1972
Authors:
京三 安松
Abstract
The destruction of biosphere is caused either by the nature itself or by man's activities （Figs. 1 and 2）. Generally, the former is of self-regulatory nature, but the latter has been regarded as the one-way destruction. Man's activities are extremely diverse and have been focused on the improvement ...
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