Impact of time Bamboo Phyllostachys bambusoides on the Light Environment and Plant Communities on Riverbanks

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概要

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• The bamboo Phyllostachys bambusoides has been widely planted on riverbanks in Japan to protect against erosion. Recently, unmanaged P. bambusoides stands with high culm density are spreading along the banks of rivers. In order to study the impact of the bamboo stands on riparian ecosystems, the relations between bamboo stand structure, light conditions and plant communities under the canopy were examined. The study sites were set in bamboo stands with variolas culm densities in the middle of the Yahagi River in Toyota, Aichi Prefecture. There was a close relationship between canopy coverage and relative photon flux, density (RPFD) in the bamboo stands. RPFD showed a highly negative relationship with total culm density, whereas no significant relation was observed between the basal area of bamboo and RPFO. The total number of plant species in the bamboo stands increased with decreasing culm density. Only a small number of tree saplings were observed in the stands with the highest culm densities, while several species of forest floor herbs were found in the stands with lower culm densities. A number of invasive and annual plants colonized the thinned stand. We suggest that moderate thinning and clearing of dead culms are needed to maintain biological diversity in the bamboo stands on riverbanks.

• 日本森林学会の論文
• 2001-05-16

著者

• SUZAKI Toko

  Toyota Yahagi River Institute

• Nakatsubo Takayuki

  O River Section Toyota City Office

• Suzaki Toko

  Toyota Yahagi River Institute C

関連論文

• Effects of slope and canopy trees on light conditions and biomass of dwarf bamboo under a coppice canopy
• Evaluation of direct and diffuse radiation densities under forest canopies and validation of the light diffusion effect
• Impact of time Bamboo Phyllostachys bambusoides on the Light Environment and Plant Communities on Riverbanks

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