ブナ天然林とヒノキ人工林の物質生産とその循環

概要

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KAWAHARA, Teruhiko, TADAKI, Yoshiya, TAKEUCHI, Ikuo, SATO, Akira, HIGUCHI, Kunio & KAMO, Koichi (For. & For. Prod. Inst. Ibaragi). 1979. Productivity and cycling of organic matter in natural Fagus Crenata and two planted Chamaecyparis obtusa forests. Jap. J. Ecol., 29 : 387-395. Amount of litter fall, soil respiration, net productivity and decomposition rate were measured in order to know the difference of organic matter cycling among five different areas ; Fagas crenata stand, middle aged and young Chamaecyparis obtusa stands and cut-over areas of both species. The values of biomass and net productivity in those stands showed reasonable ranges. There was little differences in amount of litter fall among the vegatations, but soil respiration at cut-over area was larger than at the forests. These facts suggest that the balance of soil organic matter is desturbed temporarily by destruction of trees, but recoverd gradually with the growth of planted seedlings. The steady state may be realized in Chamaecyparis obtusa plantations older than 40 years.
日本生態学会の論文
1979-12-30