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Higher subsoil carbon storage in species-rich than species-poor temperate forests

Title data

Schleuss, Per-Marten ; Heitkampf, Felix ; Leuschner, Christoph ; Fender, Ann-Catrin ; Jungkunst, Hermann F.:
Higher subsoil carbon storage in species-rich than species-poor temperate forests.
In: Environmental Research Letters. Vol. 9 (2014) Issue 1 . - No. 014007.
ISSN 1748-9326
DOI: https://doi.org/10.1088/1748-9326/9/1/014007

Abstract in another language

Forest soils contribute ca. 70% to the global soil organic carbon (SOC) pool and thus are animportant element of the global carbon cycle. Forests also harbour a large part of the globalterrestrial biodiversity. It is not clear, however, whether tree species diversity affects SOC. Bymeasuring the carbon concentration of different soil particle size fractions separately, we wereable to distinguish between effects of fine particle content and tree species composition on theSOC pool in oldgrowthbroadleavedforest plots along a tree diversity gradient (1,3and5species).Variation in clay content explained part of the observed SOC increase frommonospecific to mixed forests, but we show that the carbon concentration per unit clay or finesilt in the subsoil was by 30–35% higher in mixed than monospecific stands indicating asignificant species identity or species diversity effect on C stabilization. Underlying causesmay be differences in fine root biomass and turnover, in leaf litter decomposition rate amongthe tree species, and/or speciesspecificrhizosphere effects on soil. Our findings may haveimportant implications for forestry offering management options through preference of mixedstands that could increase forest SOC pools and mitigate climate warming.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: BAYCEER138937
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Chair Soil Ecology
Research Institutions
Research Institutions > Research Centres
Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences
Result of work at the UBT: Yes
DDC Subjects: 500 Science
Date Deposited: 24 Jan 2018 11:19
Last Modified: 24 Jan 2018 11:19
URI: https://eref.uni-bayreuth.de/id/eprint/41454