林床に落とされたスギ生葉の分解に伴うCO_2発生

概要

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The CO_2 evolution rate was investigated in clarifying the characteristics of microbial activity accompaning the decomposed of living sugi (Cryptomeria japonica D. DoN) needles dropped to the forest floor. CO_2 evolution rates of needles in different stage of decomposition increased significantly with increasing temperatures and needles water-contents. Characteristics of the CO_2 evolution rates with needles water-contents differed between red-brown, grey-brown and brown needles. Decomposition of brown and grey-brown needles had about the same environmental dependence judging from the determined relationships between temperatures, water contents and CO_2 evolution rates, because these two color classes had nearly the same regression curves of the CO_2 evolution rates. Characteristics of the CO_2 evolution rates apparently were different between the fraction of the large water absorption capacity of brown needles and that of the small water absorption capacity of red-brown needles.
一般社団法人日本森林学会の論文
1989-02-01