Pulse-labeling studies of carbon cycling in Arctic tundra ecosystems : The contribution of photosynthates to methane emission

@inproceedings{King2002PulselabelingSO,
  title={Pulse-labeling studies of carbon cycling in Arctic tundra ecosystems : The contribution of photosynthates to methane emission},
  author={Jennifer Y. King and William S. Reeburgh and K. K. Thieler and George W Kling and Wendy M. Loya and Loretta C. Johnson and Knute John Nadelhoffer},
  year={2002}
}
[1] We investigated a possible mechanism underlying observed correlations between net ecosystem carbon dioxide exchange and methane emission. Using the technique of C pulse-labeling, we traced the movement of carbon fixed by photosynthesis as it moved through wet sedge and moist tussock tundra plant-soil mesocosms and was emitted as methane to the atmosphere. The C tracer provided a definitive way of quantifying the fate of recently fixed carbon. Carbon fixed by photosynthesis was measured as… CONTINUE READING
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