Food web reliance on allochthonous carbon in two high mountain lakes with contrasting catchments : a stable isotope approach

  title={Food web reliance on allochthonous carbon in two high mountain lakes with contrasting catchments : a stable isotope approach},
  author={Elvira Pulido-Villena and Isabel Reche and Rafael Morales-Baquero},
The carbon isotopic signature (δ13C) of dissolved inorganic carbon and food web components was examined in two high mountain lakes. Río Seco Lake is partially surrounded by alpine meadows and has temporal inlets, whereas La Caldera Lake is located on rocky terrain and does not receive inputs from runoff. We assessed whether these contrasting catchments involve differences in the isotopic signature of the food web components and then in the reliance on terrestrial carbon. The δ13C of dissolved… CONTINUE READING


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