Carbon fluxes in coniferous and deciduous forest soils

Wunderlich, Steve; Schulz, Christoph; Grimmeisen, Winfried; Borken, Werner

doi:10.1007/s11104-012-1158-y

Cited by 16 publications

(4 citation statements)

References 38 publications

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“…In the present study, emissions ranged between 2.0 and 2.8 Mg CO 2 -C ha À1 y À1 for the beech stands and from 1.2 up to 4.7 Mg CO 2 -C ha À1 y À1 for the coniferous stands (Tables 2 and 3). In the literature, emissions of 2.7-21.8 and 2.3-17.9 Mg CO 2 -C ha À1 y À1 have been reported for temperate deciduous and coniferous forest soils, respectively Dannenmann et al, 2007;Raich and Schlesinger, 1992;Subke et al, 2006;Wunderlich et al, 2012). So, our results are in the low range of published data for temperate forest ecosystems.…”

Section: Magnitude Of Co 2 N 2 O and Ch 4 Fluxescontrasting

confidence: 50%

Greenhouse gas fluxes (CO2, N2O and CH4) from forest soils in the Basque Country: Comparison of different tree species and growth stages

Barrena

Menéndez

Duñabeitia

et al. 2013

Forest Ecology and Management

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Section: Magnitude Of Co 2 N 2 O and Ch 4 Fluxescontrasting

confidence: 50%

Greenhouse gas fluxes (CO2, N2O and CH4) from forest soils in the Basque Country: Comparison of different tree species and growth stages

Barrena

Menéndez

Duñabeitia

et al. 2013

Forest Ecology and Management

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“…Hence, under field conditions, rewetting will likely be less intense and the effect of D/W will be less than in the laboratory. The simple extrapolation of the P net release per kg soil to the field scale, by assuming a typical forest floor stock for beech ( Wunderlich et al, 2012) and spruce ( Hentschel et al, 2007, 2009), yields maximum values. Doing so, the release of total P from O and A horizons following a D/W cycle would equal about 2 kg P ha −1 (beech) to 3 kg P ha −1 (spruce).…”

Section: Discussionmentioning

confidence: 99%

Drying–rewetting cycles release phosphorus from forest soils

Dinh

Schramm

Spohn

et al. 2016

J. Plant Nutr. Soil Sci.

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Drying–rewetting cycles (D/W) occur frequently in topsoils and may mobilize phosphorus (P). We investigated the effect of repeated D/W on the release of dissolved inorganic (DIP) and organic P (DOP) from forest floors and A horizons. Samples were taken from 3 European beech sites and from 3 Norway spruce sites. Soils were desiccated up to pF 6 (–100 MPa) in three D/W cycles in the laboratory, while the controls were kept permanently at 50% water holding capacity. After each drying, P was extracted from the soils in water. D/W caused the release of DIP and DOP especially from O layers. There was no general difference in response to D/W between samples from beech and spruce. The net release of DIP after D/W was largest from the Oe horizons (average 50–60 mg P kg−1) for both beech and spruce forest soils. The net release of DIP from Oi layers was on average 7.8 mg P kg−1 and from spruce Oa layers 21.1 mg P kg−1. In the A horizons, net DIP release was similar in beech and spruce soils with 0.4 mg P kg−1. The release of DOP was less than the release of DIP except for the A horizons. Repeated cycles did not increase the release of DIP and DOP. The release of DIP and DOP was positively correlated with the microbial biomass in Oe and Oa layers but not in Oi layers. Our results suggest that D/W may significantly influence the short term availability of dissolved P in both beech and spruce forest soils.

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“…Maximal increases were observed for mixed stands with large proportions of pine. This could be explained by the different rates of decomposition of litter from deciduous and coniferous trees (Wunderlich et al 2012) and by the lower nitrogen content in pine litter fractions in comparison with spruce. Both factors lead to an increase in the carbon stock of the forest floor, a pattern most dramatically expressed on rich forest sites.…”

Section: Processes In Soilmentioning

confidence: 99%

Tree species composition affects productivity and carbon dynamics of different site types in boreal forests

2013

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The objective was to analyse how differences in the initial proportions of tree species and site fertility affect carbon sequestration in living biomass and soil. We used the individual-based simulation model EFIMOD, which is able to simulate spatially explicit competition between trees for light and nutrients. Simulations were carried out for three site types with distinct initial stocks of soil nutrients. For each site, the 100-years undisturbed dynamics of monocultures and mixtures of three tree species (Betula pendula Roth, Pinus sylvestris L. and Picea abies (L.) H. Karst.) was predicted. Changes in the proportions of competing tree species were dependent on the fertility of the site: on poor sites, pine was the most competent species, while on rich sites, spruce increased its proportion during stand succession. Net primary production (NPP) and soil respiration were the highest in stands of two coniferous species and in stands with a high initial proportion of pine. Mixed stands were more productive than monocultures; the highest overyielding was observed with mixtures of two coniferous species. Simulated NPP and carbon stocks in all pools increased from poor to rich sites. The highest carbon stocks in standing biomass were observed for mixtures of conifer species and three-species mixtures; the greatest accumulation of forest floor occurred in stands with high proportions of pine.

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Carbon fluxes in coniferous and deciduous forest soils

Cited by 16 publications

References 38 publications

Greenhouse gas fluxes (CO2, N2O and CH4) from forest soils in the Basque Country: Comparison of different tree species and growth stages

Greenhouse gas fluxes (CO2, N2O and CH4) from forest soils in the Basque Country: Comparison of different tree species and growth stages

Drying–rewetting cycles release phosphorus from forest soils

Tree species composition affects productivity and carbon dynamics of different site types in boreal forests

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