Control of zooplankton dependence on allochthonous organic carbon in humic and clearwater lakes in northern Sweden

@inproceedings{Karlsson2003ControlOZ,
  title={Control of zooplankton dependence on allochthonous organic carbon in humic and clearwater lakes in northern Sweden},
  author={Jan Karlsson and Anders Jonsson and Mats Jansson},
  year={2003}
}
We compared the stable carbon isotopic composition (d13C) of crustacean zooplankton with that of potential carbon sources in 15 lakes in northern Sweden with different dissolved organic carbon (DOC) concentrations (2–9 mg L21) to test the hypothesis that zooplankton depended more on allochthonous carbon in humic lakes than in clear-water lakes. Based on d13C signature, we found that the pool of organic matter in the lakes was dominated by carbon of allochthonous origin over the whole DOC… CONTINUE READING

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