Biomass conversion and expansion factors for a chronosequence of young naturally regenerated silver birch (Betula pendula Roth) stands growing on post-agricultural sites

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• 作者：Andrzej M. Jagodziński^a ; ^{amj@man.poznan.pl} ; Michał Zasada^b ; ^{Michal.Zasada@wl.sggw.pl} ; Karol Bronisz^b ; ^{Karol.Bronisz@wl.sggw.pl} ; Agnieszka Bronisz^b ; ^{Agnieszka.Bronisz@wl.sggw.pl} ; Szymon Bijak^b ; ^{Szymon.Bijak@wl.sggw.pl}
• 关键词：BCEF ; biomass conversion and expansion factor ; BEF ; biomass expansion factor ; BCF ; biomass conversion factor ; FBP ; fixed break point ; EBP ; estimated break point
• 刊名：Forest Ecology and Management
• 出版年：2017
• 出版时间：15 January 2017
• 年：2017
• 卷：384
• 期：Complete
• 页码：208-220
• 全文大小：1593 K
• 卷排序：384

文摘

We calculated BCEFs for pure young silver birch stands on abandoned farmlands. BCEFs were not constant and varied distinctly with stand age and biometrical traits. BCEF values decrease with stand age, height, diameter and volume towards the EBPs. Above EBPs there is no effect of age, height, diameter and volume on BCEFs. Top height of trees might be a good biomass predictor for young birch stands.