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| Content Provider | Springer Nature Link |
|---|---|
| Author | Suga, Hideo Iue, Akio Kitahara, Fumiaki |
| Copyright Year | 2010 |
| Abstract | We derive a two-way volume equation for estimating the apparent culm volume of one of the largest bamboo species, Phyllostachys pubescens Mazel ex Houz. The volume equation was derived from the assumptions that (1) the relative culm form can be expressed by Kunze’s equation and (2) normal form-factors at two different relative heights are steady at constants independent of culm sizes. A total number of 200 sample culms were collected from a stand of P. pubescens in Mt. Toshima, Kumamoto Prefecture, western Japan, and were randomly bisected into two sets of data, i.e. modeling and test data. For the modeling data, normal form-factors at 0.6 and 0.9 in relative height were steady at 0.908 and 0.448, respectively. The coefficients of the volume equation were determined based on these steady values of the normal form-factors. For the test data, the apparent culm volume was estimated from diameter at breast height and culm height with the determined volume equation. The mean error and root mean square error of the estimated culm volume were, respectively, 8.120 × 10−5 and 3.291 × 10−3 m3, and there was no significant difference between estimated and actual volume. In conclusion, the two-way volume equation presented here appears to be convenient for predicting the apparent culm volume for P. pubescens. |
| Starting Page | 261 |
| Ending Page | 267 |
| Page Count | 7 |
| File Format | |
| ISSN | 13416979 |
| Journal | Journal of Forest Research |
| Volume Number | 16 |
| Issue Number | 4 |
| e-ISSN | 16107403 |
| Language | English |
| Publisher | Springer Japan |
| Publisher Date | 2010-09-14 |
| Publisher Place | Japan |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Apparent culm volume Bamboo Normal form-factor Phyllostachys pubescens Volume equation Plant Ecology Plant Sciences Tree Biology Forestry Management Forestry |
| Content Type | Text |
| Resource Type | Article |
| Subject | Forestry |
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