Abstract
We determine the relationships of culm surface area to other culm dimensions for one of the largest bamboo species, Phyllostachys pubescens Mazel ex Houzeau de Lehaie. A total number of 150 sample culms were collected from a stand of P. pubescens in Mt. Toshima, Kumamoto Prefecture, western Japan. The culm surface area for each sample was calculated, and then the relationships of the culm surface area to basal area and product of diameter at breast height (dbh) and culm height were analyzed. The relationship between culm surface area and basal area could be described successfully by the power equation, whereas there was a linear relationship of culm surface area to product of dbh and height. Although the regression equations determined here would be useful in estimating culm surface area of P. pubescens, it is necessary to select an appropriate equation depending on the purpose and available time and labor.
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Acknowledgments
The authors wish to sincerely thank Noriaki Shimamura and Masayoshi Iio for their consent and support for the research in Mt. Toshima. Field assistance was provided by Yuhei Takeshita, Mika Matsui, Haruka Tateishi, Aiko Ohno, and Shingo Sakamoto (Prefectural University of Kumamoto), whose help is greatly appreciated. We also appreciate the English correction of Richard Steven Lavin (Prefectural University of Kumamoto). This study is supported in part by the Sumitomo Foundation (Grant no. 083062) and the fiscal 2008 special grant from the president of the Prefectural University of Kumamoto.
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Inoue, A., Suga, H. Relationships of culm surface area to other culm dimensions for bamboo, Phyllostachys pubescens . J For Res 14, 236–239 (2009). https://doi.org/10.1007/s10310-009-0126-8
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DOI: https://doi.org/10.1007/s10310-009-0126-8