Assimilatory uptake rather than nitrification and denitrification determines nitrogen removal patterns in streams of varying land use

@inproceedings{Arango2008AssimilatoryUR,
  title={Assimilatory uptake rather than nitrification and denitrification determines nitrogen removal patterns in streams of varying land use},
  author={Clay Porter Arango and Jennifer Leah Tank and Laura T. Johnson},
  year={2008}
}
Agricultural and urban land use increase nitrogen (N) concentrations in streams, which can saturate biotic demand by plants, algae, and bacteria via assimilative uptake, and by nitrification and denitrification. We studied six streams per year in each of three land-use categories (agricultural, urban, and forested) for 3 yr (n 5 18 streams), and we compared whole-stream N uptake and microbial N transformation rates during spring, summer, and autumn. We measured whole-stream removal of added… CONTINUE READING

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