Regional organic carbon stock variability: A comparison between depth increments and soil horizons

Grüneberg, Erik; Schöning, Ingo; Kalko, Elisabeth K. V.; Weisser, Wolfgang W.

doi:10.1016/j.geoderma.2010.01.002

Cited by 81 publications

(51 citation statements)

References 37 publications

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“…More than 50 % of the organic C of all studied soil groups was stored in subsoil horizons (0-25 cm), the layer more susceptible to change upon land use change especially agricultural and "forest" management. These results are in line with Schöning et al (2006) and Grüneberg et al (2010). In particular, Leptosols, which are commonly shallow soils with limited soil development, accumulate 83.9 % in the first 0.25 m (with 97.4 % of the SOC content in the first 0.5 m).…”

Section: Soil C Stockssupporting

confidence: 85%

“…Consequently, SOC estimates are commonly uncertain in areas with heterogeneous land uses and a high variety of climate and site patterns (Leifield et al, 2005) such as the Mediterranean environments. At the same time, soil depth has an important influence on SOC stocks (Grüneberg et al, 2010). Most studies on SOC are restricted to the topsoil, although vertical processes have a considerable effect on SOC variability (VandenBygaart, 2006).…”

Section: Muñoz-rojas Et Al: Organic Carbon Stocks In Mediterraneamentioning

confidence: 99%

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Organic carbon stocks in Mediterranean soil types under different land uses (Southern Spain)

et al. 2012

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Abstract. Soil C sequestration through changes in land use and management is one of the sustainable and long-term strategies to mitigate climate change. This research explores and quantifies the role of soil and land use as determinants of the ability of soils to store C along Mediterranean systems. Detailed studies of soil organic C (SOC) dynamics are necessary in order to identify factors determining fluctuations and intensity of changes. In this study, SOC contents from different soil and land use types have been investigated in Andalusia (Southern Spain). We have used soil information from different databases, as well as land use digital maps, climate databases and digital elevation models. The average SOC content for each soil control section (0-25, 25-50 and 50-75 cm) was determined and SOC stocks were calculated for each combination of soil and land use type, using soil and land cover maps. The total organic C stocks in soils of Andalusia is 415 Tg for the upper 75 cm, with average values ranging from 15.9 Mg C ha −1 (Solonchaks under "arable land") to 107.6 Mg C ha −1 (Fluvisols from "wetlands"). Up to 55 % of SOC accumulates in the top 25 cm of soil (229.7 Tg). This research constitutes a preliminary assessment for modelling SOC stock under scenarios of land use and climate change.

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Section: Soil C Stockssupporting

confidence: 85%

Section: Muñoz-rojas Et Al: Organic Carbon Stocks In Mediterraneamentioning

confidence: 99%

Organic carbon stocks in Mediterranean soil types under different land uses (Southern Spain)

et al. 2012

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“…These data were not used for initial plot selection, but they will be available to analyse effects of land use on ecosystem processes (e.g. Grüneberg, Schöning, Kalko, & Weisser 2010) or soil effects on biodiversity.…”

Section: Soil Inventorymentioning

confidence: 99%

Implementing large-scale and long-term functional biodiversity research: The Biodiversity Exploratories

Fischer

Bossdorf

Gockel

et al. 2010

Basic and Applied Ecology

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“…To evaluate the soil OC and total N concentrations and stocks, we collected one mineral soil core in each of the forest plots (For more details see: Grüneberg et al 2010). We used a soil corer with an inner diameter of 8.3 and a length of 110 cm (Eijkelkamp Agrisearch Equipment BV, Giesbeek, The Netherlands).…”

Section: Soil Propertiesmentioning

confidence: 99%

No depth-dependence of fine root litter decomposition in temperate beech forest soils

et al. 2015

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Aims Subsoil organic carbon (OC) tends to be older and is presumed to be more stable than topsoil OC, but the reasons for this are not yet resolved. One hypothesis is that decomposition rates decrease with increasing soil depth. We tested whether decomposition rates of beech fine root litter varied with depth for a range of soils using a litterbag experiment in German beech forest plots. Methods In three study regions (Schorfheide-Chorin, Hainich-Dün and Schwäbische-Alb), we buried 432 litterbags containing 0.5 g of standardized beech root material (fine roots with a similar chemical composition collected from 2 year old Fagus sylvatica L. saplings, root diameter<2mm) at three different soil depths (5, 20 and 35 cm). The decomposition rates as well as the changes in the carbon (C) and nitrogen (N) concentrations of the decomposing fine root litter were determined at a 6 months interval during a 2 years field experiment. Results The amount of root litter remaining after 2 years of field incubation differed between the study regions (76 ± 2 % in Schorfheide-Chorin, 85 ± 2 % in Schwäbische-Alb, and 88±2 % in Hainich-Dün) but did not vary with soil depth. Conclusions Our results indicate that the initial fine root decomposition rates are more influenced by regional scale differences in environmental conditions including climate and soil parent material, than by changes in microbial activities with soil depth. Moreover, they suggest that a similar potential to decompose new resources in the form of root litter exists in both surface and deep soils

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Regional organic carbon stock variability: A comparison between depth increments and soil horizons

Cited by 81 publications

References 37 publications

Organic carbon stocks in Mediterranean soil types under different land uses (Southern Spain)

Organic carbon stocks in Mediterranean soil types under different land uses (Southern Spain)

Implementing large-scale and long-term functional biodiversity research: The Biodiversity Exploratories

No depth-dependence of fine root litter decomposition in temperate beech forest soils

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