Roots from beech (Fagus sylvatica L.) and ash (Fraxinus excelsior L.) differentially affect soil microorganisms and carbon dynamics

Cesarz, Simone; Fender, Ann-Catrin; Beyer, Friderike; Valtanen, Kerttu; Pfeiffer, Birgit; Gansert, Dirk; Hertel, Dietrich; Polle, Andrea; Daniel, Rolf; Leuschner, Christoph; Scheu, Stefan

doi:10.1016/j.soilbio.2013.02.003

Cited by 64 publications

(60 citation statements)

References 61 publications

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“…The type of mycorrhizal association may also affect root activity. Meinen et al (2009) showed by microscopic inspection of beech and ash that the mycorrhizal colonization rate was significantly higher in beech than in ash roots (Cesarz et al, 2013). This may account for the higher 15 N allocation into soil and microbial biomass in beech in our experiment.…”

Section: Nitrogen Allocation Within Plant-soil System Depending On Trmentioning

confidence: 57%

“…Ash has more fine roots with a more vigorous root growth than beech and in general fine roots tend to contain more N (Meinen et al, 2009;Cesarz et al, 2013). Our study showed that ash incorporated more 15 N into roots and had less rhizodeposition into the soil, which can be explained by the morphology of the ash root system.…”

Section: Nitrogen Allocation Within Plant-soil System Depending On Trmentioning

confidence: 59%

“…Thus, besides the slow litter decomposition under beech, rhizodeposition could be another reason explaining the higher C accumulation. Nevertheless, Meinen et al (2009) and Cesarz et al (2013) showed that ash has more fine roots and a more vigorous root growth than beech, which 2016 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim www.plant-soil.com should also lead to more rhizodeposition. Ash also preferentially invested the assimilated 13 C into the root biomass in our study.…”

Section: Discussionmentioning

confidence: 99%

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Allocation and dynamics of C and N within plant–soil system of ash and beech

Sommer

Dippold

Flessa

et al. 2016

J. Plant Nutr. Soil Sci.

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Forest management requires a profound understanding of how tree species affect C and N cycles in ecosystems. The large C and N stocks in forest soils complicate research on the effects of tree species on C and N pools. In-situ 13 C and 15 N labeling in undisturbed, natural forests enable not only tracing of C and N fluxes, but also reveal insight into the interactions at the plant-soilatmosphere interface. In-situ dual 13 C and 15 N pulse labeling of 20 beeches (Fagus sylvatica L.) and 20 ashes (Fraxinus excelsior L.) allowed tracing the fate of assimilated C and N in trees and soils in an unmanaged forest system in the Hainich National Park (Germany). Leaf, stem, root, and soil samples as well as microbial biomass were analyzed to quantify the allocation of 13 C and 15 N for 60 d after labeling and along spatial gradients in the soil with increasing distance from the stem. For trees of similar heights ( 4 m), beech (20%) assimilated twice as much as ash (9%) of the applied 13 CO 2 , but beech and ash incorporated similar 15 N amounts (45%) into leaves. The photosynthates were transported belowground through the phloem more rapidly in beech than in ash. Ash preferentially accumulated 15 N and 13 C in the roots. In contrast, beech released more of this initially assimilated 13 C (2.0% relative 13 C allocation) and 15 N (0.1% relative 15 N allocation) via rhizodeposition into the soil than ash (0.2% relative 13 C, 0.04% relative 15 N allocation), which was also subsequently recovered in microbial biomass. These results on C and N partitioning contribute to an improved understanding of the effects of European beech and ash on the C and N cycles in deciduous broad-leaved forest. Differences in C and N allocation patterns between ash and beech are one mechanism of niche differentiation in forests containing both species.

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Section: Nitrogen Allocation Within Plant-soil System Depending On Trmentioning

confidence: 57%

Section: Nitrogen Allocation Within Plant-soil System Depending On Trmentioning

confidence: 59%

Section: Discussionmentioning

confidence: 99%

See 1 more Smart Citation

Allocation and dynamics of C and N within plant–soil system of ash and beech

Sommer

Dippold

Flessa

et al. 2016

J. Plant Nutr. Soil Sci.

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show abstract

“…El hecho de que las especies arbóreas modifican diferencialmente las propiedades del suelo y los procesos del ecosistema es algo ampliamente reconocido en ecología (Zinke 1962, Reich et al 2005, Cesarz et al 2013. La aproximación más frecuentemente utilizada para caracterizar los efectos especie-específicos sobre las propiedades del suelo ha sido la comparación de los efectos medios de distintas especies en monocultivos (Binkley y Giardina 1998).…”

Section: Unir La Ecología De Comunidades Y Ecosistemasunclassified

Maximum likelihood methods and their application in neighbourhood models

Aparicio

Castuera²,

Cayuela³

2013

ECOS

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“…In addition, tree neighbourhoods likely complicate belowground responses to elevated CO 2 . Moreover, soil microbial community composition, microbial biomass, and soil extracellular enzyme activities may change in the presence of different neighbours because of differences in litter quality and root exudates (Pausch et al, 2013;Cesarz et al, 2013). However, little is known about the effects of elevated CO 2 on belowground tree species in the presence of neighbours of different species.…”

Section: Introductionmentioning

confidence: 99%