The distribution of carbon stocks between tree woody biomass and soil differs between Scots pine and broadleaved species (beech, oak) in European forests
2022
Osei, Richard | del Río, Miren | Ruiz-Peinado, Ricardo | Titeux, Hugues | Bielak, Kamil | Bravo, Felipe | Collet, Catherine, C. | Cools, Corentin | Cornelis, Jean-Thomas | Drössler, Lars | Heym, Michael | Korboulewsky, Nathalie | Löf, Magnus | Muys, Bart | Najib, Yasmina | Nothdurft, Arne | Pretzsch, Hans | Skrzyszewski, Jerzy | Ponette, Quentin | Université Catholique de Louvain = Catholic University of Louvain (UCL) | Centro de Investigaciones Biológicas (CSIC) ; Consejo Superior de Investigaciones Cientificas = Spanish National Research Council (CSIC) | Warsaw University of Life Sciences (SGGW) | Sustainable Forest Management Research Institute ; Universitad de Valladolid | Universidad de Valladolid [Valladolid] (UVa) | SILVA (SILVA) ; AgroParisTech-Université de Lorraine (UL)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE) | University of British Columbia [Vancouver] | Ilia State University [Tbilisi] | Technische Universität München = Technical University of Munich (TUM) | Ecosystèmes forestiers (UR EFNO) ; Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE) | Swedish University of Agricultural Sciences (SLU) | Catholic University of Leuven - Katholieke Universiteit Leuven (KU Leuven) | University of Natural Resources and Life Sciences Vienna ; Partenaires IRSTEA ; Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA) | Department of Forest Ecology and Silviculture ; University of Agriculture in Krakow
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Show more [+] Less [-]English. While the impacts of forest management options on carbon (C) storage are well documented, the way they affect C distribution among ecosystem components remains poorly investigated. Yet, partitioning of total forest C stocks, particularly between aboveground woody biomass and the soil, greatly impacts the stability of C stocks against disturbances in forest ecosystems. This study assessed the impact of species composition and stand density on C storage in aboveground woody biomass (stem + branches), coarse roots, and soil, and their partitioning in pure and mixed forests in Europe. We used 21 triplets (5 beech-oak, 8 pine-beech, 8 pine-oak mixed stands, and their respective monocultures at the same sites) in seven European countries. We computed biomass C stocks from total stand inventories and species-specific allometric equations, and soil organic C data down to 40 cm depth. On average, the broadleaved species stored more C in aboveground woody biomass than soil, while C storage in pine was equally distributed between both components. Stand density had a strong effect on C storage in tree woody biomass but not in the soil. After controlling for stand basal area, the mixed stands had, on average, similar total C stocks (in aboveground woody biomass + coarse roots + soil) to the most performing monocultures. Although species composition and stand density affect total C stocks and its partitioning between aboveground woody biomass and soil, a large part of variability in soil C storage was unrelated to stand characteristics.
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