Nitrogen stable isotopes in primary uptake compartments across streams differing in nutrient availability.

@article{Pastor2013NitrogenSI,
  title={Nitrogen stable isotopes in primary uptake compartments across streams differing in nutrient availability.},
  author={Ada Pastor and Marc Peipoch and L{\'i}dia Ca{\~n}as and Eglantine Chappuis and Miquel Ribot and Esperança Gacia and Joan L. Riera and Eugenia Mart{\'i} and Francesc Sabater},
  journal={Environmental science & technology},
  year={2013},
  volume={47 18},
  pages={10155-62}
}
High variability in the natural abundance of nitrogen stable isotopes (δ(15)N) has been reported for primary uptake compartments (PUCs; e.g., epilithon, filamentous algae, bryophytes, macrophytes) in human-impacted aquatic ecosystems, but the origin of this variability is not yet well understood. We examined how δ(15)N of different PUC types relate to δ(15)N of dissolved inorganic nitrogen (DIN) species (nitrate and ammonium) and to the stream nutrient concentrations in which they grow. We… CONTINUE READING

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