Acclimating mechanisms of dwarf bamboos dominating understory layers in a beech forest

2017 Fiscal Year Final Research Report

• Project/Area Number: 15K07828
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Research Field: Environmental agriculture(including landscape science)
• Research Institution: Okayama University
• Principal Investigator: Sakamoto Keiji 岡山大学, 環境生命科学研究科, 教授 (90205766)
• Co-Investigator(Kenkyū-buntansha): 廣部 宗 岡山大学, 環境生命科学研究科, 教授 (20363575)
• Project Period (FY): 2015-04-01 – 2018-03-31
• Keywords: 矮性タケ類 / ブナ林 / フェノロジカルギャップ / 光合成速度 / 稈密度 / 林冠構造

Outline of Final Research Achievements

We have demonstrated the acclimating mechanisms of dwarf bamboo, Sasa kurilensis, to the different light conditions in the understory of a beech forest. Density and biomass of S. kurilensis were significantly largest under the gap, and smallest under the canopy trees of Fagus crenata. Maximum photosynthetic rate per a culm was estimated from the photosynthetic rate per a unit leaf area, leaf areas, and leaf numbers of a culm. The values were lowest under the canopy trees of F. crenata, and significant differences were not detected between the values under the gap and the canopy trees of Magnolia obovata. S. kurlensis dominates the understory in a beech forest by the acclimatization in the different light conditions caused by different canopy types.

Free Research Field

緑地生態学