日本中部山岳域における岐阜県産材と長野県産材の比較

Abstract

We calculated the net carbon balance by subtracting CO2 emissions (fuel and electric consumption and by-products) from the amount of CO2 absorption and carbon fixation of Japanese Cedar and Japanese Cypress trees in Gifu prefecture and Nagano prefecture. The net carbon balance of the Japanese Cedar in Gifu prefecture was 458kg-CO2/m3 and the Japanese Cypress in Gifu prefecture was 467kg-CO2/m3. The net carbon balances of the Japanese Cedar and the Japanese Cypress in Gifu prefecture were both lower than the net carbon balances in Nagano prefecture. The fixed CO2 of the Japanese Cedar and the Japanese Cypress in Gifu prefecture were both lower than the fixed CO2 in Nagano prefecture as well. The CO2 emissions of the Japanese Cedar in Gifu prefecture were lower than those in Nagano prefecture, but the CO2 emissions of the Japanese Cypress in Gifu prefecture were higher than those in Nagano prefecture.