Progress and challenges in using stable isotopes to trace plant carbon and water relations across scales
Stable isotope analysis is a powerful tool for assessing plant carbon and water relations and
their impact on biogeochemical processes at different scales. Our process-based …
their impact on biogeochemical processes at different scales. Our process-based …
Diel variations in the carbon isotope composition of respired CO2 and associated carbon sources: a review of dynamics and mechanisms
Recent advances have improved our methodological approaches and theoretical
understanding of post-photosynthetic carbon isotope fractionation processes. Nevertheless …
understanding of post-photosynthetic carbon isotope fractionation processes. Nevertheless …
Autotrophic component of soil respiration is repressed by drought more than the heterotrophic one in dry grasslands
Summer droughts projected to increase in central Europe due to climate changes strongly
influence the carbon cycle of ecosystems. Persistent respiration activities during drought …
influence the carbon cycle of ecosystems. Persistent respiration activities during drought …
Autotrophic and heterotrophic contributions to short‐term soil CO2 efflux following simulated summer precipitation pulses in a Mediterranean dehesa
Autotrophic and heterotrophic components of soil CO2 efflux may have differential
responses to environmental factors, so estimating the relative contribution of each …
responses to environmental factors, so estimating the relative contribution of each …
Diffusive fractionation complicates isotopic partitioning of autotrophic and heterotrophic sources of soil respiration
AB Moyes, SJ Gaines, RTW Siegwolf… - Plant, Cell & …, 2010 - Wiley Online Library
Carbon isotope ratios (δ13C) of heterotrophic and rhizospheric sources of soil respiration
under deciduous trees were evaluated over two growing seasons. Fluxes and δ13C of soil …
under deciduous trees were evaluated over two growing seasons. Fluxes and δ13C of soil …
Characterization of the soil CO2 production and its carbon isotope composition in forest soil layers using the flux-gradient approach
Abstract The Flux-Gradient Approach (FGA) allows the vertical distribution of gas turnover
and production in the soil to be calculated. This approach has been used successfully for …
and production in the soil to be calculated. This approach has been used successfully for …
Forced Diffusion soil flux: A new technique for continuous monitoring of soil gas efflux
D Risk, N Nickerson, C Creelman, G McArthur… - Agricultural and forest …, 2011 - Elsevier
Measurements of soil carbon dioxide efflux provide critical information on soil carbon
balance. In light of increasing interest in monitoring carbon balance of northern soils, it is …
balance. In light of increasing interest in monitoring carbon balance of northern soils, it is …
Effects of soil type and composition of rhizodeposits on rhizosphere priming phenomena
Inputs of fresh plant-derived C may stimulate microbially-mediated turnover of soil organic
matter (SOM) in the rhizosphere. But studies of such 'priming'effects in artificial systems often …
matter (SOM) in the rhizosphere. But studies of such 'priming'effects in artificial systems often …
Challenges in measuring the δ13C of the soil surface CO2 efflux
AJ Midwood, P Millard - Rapid Communications in Mass …, 2011 - Wiley Online Library
The δ13C of the soil surface efflux of carbon dioxide (δ13CRS) has emerged as a powerful
tool enabling investigation of a wide range of soil processes from characterising entire …
tool enabling investigation of a wide range of soil processes from characterising entire …
Oxygen isotope composition of evapotranspiration and its relation to C4 photosynthetic discrimination
The oxygen isotope of water (18O‐H2O) and carbon dioxide (18O‐CO2) is an important
signal of global change and can provide constraints on the coupled carbon‐water cycle …
signal of global change and can provide constraints on the coupled carbon‐water cycle …