首页|Tree structure and diversity shape the biomass of primary temperate mountain forests

Tree structure and diversity shape the biomass of primary temperate mountain forests

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Primary forests are spatially diverse terrestrial ecosystems with unique characteristics,being naturally regener-ative and heterogeneous,which supports the stability of their carbon storage through the accumulation of live and dead biomass.Yet,little is known about the interactions between biomass stocks,tree genus diversity and structure across a temperate montane primary forest.Here,we investigated the relationship between tree structure(variability in basal area and tree size),genus-level diversity(abundance,tree diversity)and biomass stocks in temperate primary mountain forests across Central and Eastern Europe.We used inventory data from 726 permanent sample plots from mixed beech and spruce across the Carpathian Mountains.We used nonlinear regression to analyse the spatial variability in forest biomass,structure,and genus-level diversity and how they interact with plot-level tree age,disturbances,temperature and altitude.We found that the combined effects of genus and structural indices were important for addressing the variability in biomass across different spatial scales.Local processes in disturbance regimes and uneven tree age support forest heterogeneity and the accu-mulation of live and dead biomass through the natural regeneration,growth and decay of the forest ecosystem.Structural complexities in basal area index,supported by genus-level abundance,positively influence total biomass stocks,which was modulated by tree age and disturbances.Spruce forests showed higher tree density and basal area than mixed beech forests,though mixed beech still contributes significantly to biomass across land-scapes.Forest heterogeneity was strongly influenced by complexities in forest composition(tree genus diversity,structure).We addressed the importance of primary forests as stable carbon stores,achieved through structure and diversity.Safeguarding such ecosystems is critical for ensuring the stability of the primary forest,carbon store and biodiversity into the future.

Biodiversity indicatorsBiomass carbon stockEcosystem functioningForest compositionPrimary forest structureTree size distribution

Dheeraj Ralhan、Ruffy Rodrigo、Heather Keith、Annemiek Irene Stegehuis、Jakob Pavlin、Yumei Jiang、Milo? Rydval、Juliana Nogueira、Alexandre Fruleux、Marek Svitok、Martin Mikolá?、Daniel Kozák、Martin Du?átko、Pavel Janda、Oleh Chaskovsky、Cǎtǎlin-Constantin Roibu、Miroslav Svoboda

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Czech University of Life Sciences Prague,Faculty of Forestry and Wood Sciences,Kamycká 129,Suchdol,16 521 Praha 6,Czech Republic

Department of Forest Science,Biliran Province State University,Biliran,6549,Philippines

Griffith Climate Action Beacon,Griffith University,Parklands Drive,Southport,Gold Coast,Queensland,4222,Australia

Laboratoire de Géologie,IPSL,CNRS,UMR 8538,École Normale Supérieure,PSL University,Paris,France

Univ.Lille,Institut Mines-Télécom,Univ.Artois,Junia,ULR 4515,LGCgE,Laboratoire de Génie Civil et Géo-Environnement,F-59000,Lille,France

Department of Biology and General Ecology,Faculty of Ecology and Environmental Sciences,Technical University in Zvolen,Masaryka 24,96001,Zvolen,Slovakia

Institute of Forest Management Ukrainian National Forestry University,Lviv,Ukraine

Forest Biometrics Laboratory-Faculty of Forestry,Stefan Cel Mare University of Suceava,Universitǎ(t)ii Street Number.13,Suceava,720229,Romania

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Czech University of Life Sciences PragueCzech Science Foundation project

A_03_22-43110/1312/3101GA?R 21-27454S

2024

10.1016/j.fecs.2024.100215

森林生态系统(英文版)
北京林业大学

森林生态系统(英文版)

CSTPCD
影响因子：0.09
ISSN：2095-6355
年,卷(期)：2024.11(4)