| Summary: | Biomass estimation-calculation methods in easy, economic and high accuracy are currently valuable researches depending on increasing importance on estimations of bioenergy, carbon stocks and budgets in forest ecosystems. Weights of biomass and biomass components are given oven dry mass because of the necessity of the estimation of biomass in low bias and variability of moisture. For this reason, estimation-determination of moisture contents in high accuracy and using for similar species provide convenience. Present study was conducted on coppice originated pure oak (Quercus) stands to determine the moisture contents of biomass components in Northern Thrace. Moisture contents of five different biomass components (foliage, branch, crown, stem and total aboveground) on 474 destructively sampled trees from different oak species (Hungary Oak, Turkey Oak, Sessile Oak) and development stages (Ma,Mb,Mc). Statistical comparison of moisture contents regarding as species and development stages were performed with Bonferroni-Dunn test. In conclusion, moisture contents of branch and crown showed significantly difference at p=0.05 significance level, stem moisture contents did not significantly differ and moisture of above ground biomass of A development stage was 36% and significantly different from other stages (Mb and Mc, 38%) in comparison of development stages without species discrimination. Moisture contents of foliage, branch and crown of Turkey Oak were significantly different at p=0.05 significance level, moisture contents of stem and above ground biomass did not show significantly difference in comparison of oak species.
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