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Quantification of soil respiration (Rs) is an essential step in modelling soil carbon fluxes associated with stand structure and management. This study aims to characterise the spatial variations of Rs at tree scale in adult (AO) and young (YO) drip-irrigated orange orchards, with special focus on abiotic (soil moisture, θs) and biotic (stand age and root traits) factors determining the variability...
Soil heterotrophic respiration (RH) is usually modeled using simple temperature dependence equations where the temperature sensitivity of RH could vary for different soils and climate conditions. The temperature sensitivity is expressed as a function of the base rate of heterotrophic respiration (RH−0) and the respiration change rate over a 10°C temperature shift (Q10). A methodology was developed...
Conversion from agriculture to forestry is considered a measure for mitigation of atmospheric CO2 but the impacts on soil C and N processes remain still unclear. We investigated heterotrophic respiration (RH), specific carbon mineralization (CMIN) and nitrogen mineralization (NMIN) in Norway spruce (Picea abies (Karst.) L.) and oak (Quercus robur L.) chronosequences on former cropland by laboratory...
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