This paper analyzed the reproduction process of forestry management. The analysis utilized the "Report on forestry household economy," the "Report on forestry management," and the "Report on mushroom cultivation management." The analytical method employed bookkeeping concepts in accordance with the "labor theory of value" concept of Marxian economics, expressed in constant capital, variable capital, and surplus value (Mehrwert). Analysis was conducted separately by period from 1965 to 2008, by size of land area, and by zone. As a result, the following points were revealed. Over the years since 1970, revenue and income in forestry household economy and forestry management continued to decrease. This put pressure on family wages, and impeded profit formation. Therefore, it is surmised that reproduction was not feasible at this level. Forestry management since 1995 experienced fictitious rate of surplus value of less than 10%[m/v] and since 2000, the estimated profit and surplus value was negative. Therefore, this paper defines 1995 as a "Crisis of the Japanese Forestry Economy" and the period since 2000 as the "Destruction of the Japanese Forest Economy," In particular, it points out the importance of the meaning of the "Destruction of the Japanese Forest Economy."
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