TAILIEUCHUNG - Báo cáo lâm nghiệp:"Aboveground biomass relationships for beech (Fagus moesiaca Cz.) trees in Vermio Mountain, Northern Greece, and generalised equations for Fagus sp."

Tuyển tập các báo cáo nghiên cứu về sinh học được đăng trên tạp chí lâm nghiệp đề tài:"Aboveground biomass relationships for beech (Fagus moesiaca Cz.) trees in Vermio Mountain, Northern Greece, and generalised equations for Fagus sp." | Ann. For. Sci. 60 2003 439-448 INRA EDP Sciences 2003 DOI forest 2003036 439 Original article Aboveground biomass relationships for beech Fagus moesiaca Cz. trees in Vermio Mountain Northern Greece and generalised equations for Fagus sp. Dimitris Zianis Maurizio Mencuccini Institute of Ecology and Resource Management Darwin Building Mayfield Road Edinburgh EH9 3JU UK Received 5 July 2002 accepted 30 October 2002 Abstract - Allometric equations describing tree size-shape relationships for beech Fagus moesiaca Cz. in the Vermio Mountains of Northern Greece are presented. Diameter at breast height explained most of the variability in the dependent variables total aboveground stem and branch biomass while tree height was the second most important regressor in estimating foliage mass. Equations developed in USA and Europe for Fagus spp. were also reported and validation with the field data indicated that the American regressions closely predicted total tree biomass for the study forest. in addition the raw data were used to test a recent theoretical model and large deviations were found between theoretical and empirical values. Finally generalised equations for Fagus spp. were developed based on these data and several other published equations. Validation of the generalised equations indicated that accurate predictions may be obtained when these regressions are applied over a broad geographical area. allometry biomass generalised equations Fagus moesiaca Cz. Northern Greece Résumé - Relations concernant la biomasse aérienne pour le hêtre Fagus moesiaca Cz. dans le massif du Vermio au nord de la Grèce et équations génériques pour Fagus sp. Dans l article suivant sont présentées des equations allométriques décrivant les relations taille-forme pour une espèce particulière de hêtre Fagus moesiaca Cz. dans le massif du Vermio au nord de la Grèce. Le diamètre à hauteur de poitrine explique en grande partie la variabilité des variables indépendantes biomasse aérienne .

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