In situ assessment of the velocity of carbon transfer by tracing 13 C in trunk CO2 efflux after pulse labelling: variations among tree species and seasons.

@article{Dannoura2011InSA,
  title={In situ assessment of the velocity of carbon transfer by tracing 13 C in trunk CO2 efflux after pulse labelling: variations among tree species and seasons.},
  author={Masako Dannoura and Pascale Maillard and Chantal Fresneau and Caroline Plain and Daniel Berveiller and Dominique G{\'e}rant and Christophe Chipeaux and A. van den Bosc and J{\'e}r{\^o}me Ngao and Claire Damesin and Denis Loustau and Daniel Epron},
  journal={The New phytologist},
  year={2011},
  volume={190 1},
  pages={181-92}
}
Phloem is the main pathway for transferring photosynthates belowground. In situ(13) C pulse labelling of trees 8-10 m tall was conducted in the field on 10 beech (Fagus sylvatica) trees, six sessile oak (Quercus petraea) trees and 10 maritime pine (Pinus pinaster) trees throughout the growing season. Respired (13) CO2 from trunks was tracked at different heights using tunable diode laser absorption spectrometry to determine time lags and the velocity of carbon transfer (V). The isotope… CONTINUE READING

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