Stem girdling affects the quantity of CO2 transported in xylem as well as CO2 efflux from soil.

@article{Bloemen2014StemGA,
  title={Stem girdling affects the quantity of CO2 transported in xylem as well as CO2 efflux from soil.},
  author={Jasper Bloemen and Laura Mia Agneessens and Lieven Van Meulebroek and Doug P. Aubrey and Mary Anne McGuire and Robert O. Teskey and Kathy Steppe},
  journal={The New phytologist},
  year={2014},
  volume={201 3},
  pages={897-907}
}
There is recent clear evidence that an important fraction of root-respired CO2 is transported upward in the transpiration stream in tree stems rather than fluxing to the soil. In this study, we aimed to quantify the contribution of root-respired CO2 to both soil CO2 efflux and xylem CO2 transport by manipulating the autotrophic component of belowground respiration. We compared soil CO2 efflux and the flux of root-respired CO2 transported in the transpiration stream in girdled and nongirdled 9… CONTINUE READING
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