Use of Randomized Branch and Importance Sampling to Estimate Loblolly Pine Biomass
- 1 November 1989
- journal article
- research article
- Published by Oxford University Press (OUP) in Southern Journal of Applied Forestry
- Vol. 13 (4) , 181-184
- https://doi.org/10.1093/sjaf/13.4.181
Abstract
A previously developed sampling method utilizing randomized branch and importance sampling for the purpose of quickly estimating tree biomass was tested on five loblolly pine (Pinus taeda L.) trees. Results show a wide range of per-tree sampling error, ranging from 5.3 to 28.9%. Largevariation in foliage content among selected branches per treee may be a major source of error. However, the sampling error for the total biomass of the five trees tested was only 3.3%. This sampling method appears to be reliable and efficient in obtaining precise estimates of the total biomassof a population of trees. Increased sampling intensity per tree is necessary to obtain precise estimates of individual tree biomass. South. J. Appl. For. 13(4):181-184.Keywords
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