Changes in the soil carbon level
Transforming plant carbon into soil carbon: Process-level controls on carbon sequestration
... to soil C by solid-state 13 C and solution-state 1 H NMR ...of soil organic ...1. Changes in soil organic matter composition during a 252-d incubation study was controlled by the chemical ...
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Changes in soil carbon, nitrogen, and phosphorus due to land-use changes in Brazil
... all soil intervals in pasture soils than in native vegetation ...in soil organic matter decomposition that leads to a decrease in the long ...in soil phos- phorus stocks in the CPS and pastures of ...
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The implication of input data aggregation on upscaling of soil organic carbon changes
... by soil property aggregations are high • An aggregation of soil properties on 10x10 km cause less than 20% regionalization errors in estimating C stock changes in agricultural ...
Forest Biomass and Soil Carbon Stock Changes in the Delaware River Basin
... and soil C stocks in three sites of the DRB forest using field measurements and an ecosystem process ...of carbon pools and fluxes and source of uncertainties in estimating biomass and soil C stocks ...
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Soil carbon balances and stock changes under different cropping and management systems
... 5. Perspectives Using green manure, catch crops and animal manure each increased C input of 0.6 – 1.0 Mg C ha −1 yr −1 at crop rotation level. However, only the e ff ect of green manure was consistently re fl ected ...
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Simulation of soil organic carbon changes in Slovak arable land and their environmental aspects
... stock changes is ...higher carbon input in the ...between carbon input and the final simula- tion of SOC ...and soil production potential index representing the official basis for soil ...
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Field warmed soil carbon changes imply high 21st century modeling uncertainty
... high level of uncer- tainty that can be driven by the soil temperature response ...that soil carbon response to warming is highly variable in the field and ESMs should in- crease their ...
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A global, empirical, harmonised dataset of soil organic carbon changes under perennial crops
... plot level when it was not possible to obtain individual ...physio-chemical soil characteristics and SOC, number of samples, the original study source, plus additional information about climate, soil ...
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Spatial Expansion and Soil Organic Carbon Storage Changes of Croplands in the Sanjiang Plain, China
... scale parameter was set at 15. The shape factor balances spectral homogeneity versus shape of objects, whereas the compactness factor balances compactness and smoothness. Weights from 0 to 1 could be applied to the ...
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What is a good level of soil organic matter? An index based on organic carbon to clay ratio
... in soil-degrading ...The soil in the Woburn experiment is a sandy loam; the results show that the index can be used for soils with low clay content, despite the narrowing of the SOC/clay thresholds with ...
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Global distribution of soil organic carbon – Part 2: Certainty of changes related to land use and climate
... stock changes. Changes of SOC had a high certainty only in a few ...of changes did not correlate with the certainty of ...global changes would differ depending on what level of ...
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Modelling soil organic carbon changes under different maize cropping scenarios for cellulosic ethanol in Europe
... Considering that GHG saving at EU level must be 50 % compared with fossil fuel by 2017, it is important to estimate net SOC emissions and to compensate negative balances. The possibilities to design the best ...
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Soil Carbon Changes Influenced by Soil Management and Calculation Method
... of soil mass and expressing SOC on an equivalent mass basis has been adopted by researchers for more than a decade, but this approach has not been readily applied to evaluate different management prac- tices ...
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Changes in soil organic carbon under perennial crops
... without loss of productive area. This latter option might deliver food, fiber, energy feedstock, or other goods and ecosystem services including increasing SOC, and as such could represent a win–win scenario. In fact, ...
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Modelling the sensitivity of soil mercury storage to climate-induced changes in soil carbon pools
... US soil Hg pools were most sensitive to changes in precipita- tion because of strong effects on soil C pools, plus a direct effect of precipitation on soil Hg / C ...ratios. Soil Hg ...
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How accurately can soil organic carbon stocks and stock changes be quantified by soil inventories?
... intensive soil analyses (taken from Schrumpf et al., 2008). Soil samples were taken between March and December ...mineral soil sampling. The core was driven into soil with a motor hammer ...
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Effects of land cover changes in forest systems on soil carbon stocks
... on carbon stocks in forest floor and mineral ...similar soil and cli- mate ...the soil (at 0-5, 5-10, 10-15, 15-20 and 20-30 cm depth). The mineral soil stores about 12 % of total ...
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The implication of input data aggregation on upscaling of soil organic carbon changes
... • The aggregation procedure is of high relevance for the resulting model error. While weather aggregation by averaging resulted in a continuous decrease of the mean model error from coarse to fine resolution the ...
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Changes in deep soil organic carbon and soil properties beneath tree windbreak plantings in the U.S. Great Plains
... At this site, it is possible that soil disturbance during tree planting is responsible for some reduction in SOC, as has been noted in other similar situations (Paul et al. 2002; Sauer et al. 2007). Relatively low ...
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Changes in soil carbon stocks from 1960 to 2000 in the main Belgian cropland areas
... the soil associations under cropland of three agricultural regions was ...the changes in SOC are an increase in tillage depth as a result of mechanisation in the 1960’s and an increase in the livestock ...
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