Disproportionate Contribution of Riparian Inputs to Organic Carbon Pools in Freshwater Systems

  title={Disproportionate Contribution of Riparian Inputs to Organic Carbon Pools in Freshwater Systems},
  author={Trent R. Marwick and Alberto Vieira Borges and Kristof Van Acker and François Darchambeau and Steven Bouillon},
A lack of appropriate proxies has traditionally hampered our ability to distinguish riverine organic carbon (OC) sources at the landscape scale. However, the dissection of C4 grasslands by C3-enriched riparian vegetation, and the distinct carbon stable isotope signature (δ13C) of these two photosynthetic pathways, provides a unique setting to assess the relative contribution of riparian and more distant sources to riverine C pools. Here, we compared δ13C signatures of bulk sub-basin vegetation… CONTINUE READING
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