IMHE OpenIR  > Journal of Mountain Science  > Journal of Mountain Science-2016  > Vol13 No.5
Performance of Weibullfunction as a diameter distribution model for Pinus thunbergiistands in the eastern coast of South Korea
ABINOAzyleah Cañizares; KIM Sung Yong; LUMBRESRoscinto Ian Canicosa; JANG Mi Na; YOUN Ho Joong; PARK Ki Hyung; LEE Young Jin
Corresponding AuthorLEE Young Jin
2016-05
Source PublicationJournal of Mountain Science
ISSN1672-6316
Volume13Issue:5Pages:822-830
Subtype期刊论文
AbstractThis study was carried out to determine the performance of percentile-based Weibull diameter distribution model for Pinus thunbergii stands thriving along the eastern coast of South Korea. The parameter recovery technique was used to estimate the three parameters of the Weibull model. The analysis demonstrated satisfactory results based on the following test statistics for the principal percentile models: fit index (FI) range from 0.501 (minimum diameter) to 0.932 (50th diameter percentiles) and root mean square error (RMSE) range from 0.112 (quadratic mean diameter) to 3.572 (minimum diameter). The developed model was further evaluated by determining the mean bias (Ē) in trees per ha (TPH) for each diameter class, and the results showed highest over-prediction in the 20 cm, and under-prediction in the 16 cm and 24 cm diameter classes. The goodness of fit tested by Kolmogorov-Smirnov (KS) test showed no significant differences (p>0.05) between the observed and predicted diameter distributions for almost all plots. Using site index and aboveground biomass (AGB) models developed for P.thunbergiiin South Korea, a model to predict the AGB per ha for each diameter class and subsequently the total AGB of the stand was created. An application guide was also created, which will serve as a decision-support tool for forest managers in quantifying the future total AGB in P.thunbergiistands located in the eastern coast of South Korea and, subsequently, the quantification of potential carbon stocks aside from being a vital input in designing efficient management and protection strategies for these stands.
KeywordAboveground Biomass Weibull Distribution Parameter Recovery Technique Site Index Pinus Thunbergii Diameter Distribution
DOI10.1007/s01629-014-3243-5
Indexed BySCI
Language英语
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/15125
CollectionJournal of Mountain Science_Journal of Mountain Science-2016_Vol13 No.5
Recommended Citation
GB/T 7714
ABINOAzyleah Cañizares,KIM Sung Yong,LUMBRESRoscinto Ian Canicosa,et al. Performance of Weibullfunction as a diameter distribution model for Pinus thunbergiistands in the eastern coast of South Korea[J]. Journal of Mountain Science,2016,13(5):822-830.
APA ABINOAzyleah Cañizares.,KIM Sung Yong.,LUMBRESRoscinto Ian Canicosa.,JANG Mi Na.,YOUN Ho Joong.,...&LEE Young Jin.(2016).Performance of Weibullfunction as a diameter distribution model for Pinus thunbergiistands in the eastern coast of South Korea.Journal of Mountain Science,13(5),822-830.
MLA ABINOAzyleah Cañizares,et al."Performance of Weibullfunction as a diameter distribution model for Pinus thunbergiistands in the eastern coast of South Korea".Journal of Mountain Science 13.5(2016):822-830.
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