Nitrate and sediment fluxes from a California rangeland watershed.

  title={Nitrate and sediment fluxes from a California rangeland watershed.},
  author={David A. Lewis and Michael J. Singer and Randy A. Dahlgren and Kenneth W. Tate},
  journal={Journal of environmental quality},
  volume={35 6},
Long-term water quality records for assessing natural variability, impact of management, and that guide regulatory processes to safeguard water resources are rare for California oak woodland rangelands. This study presents a 20-yr record (1981-2000) of nitrate-nitrogen (NO(3)-N) and suspended sediment export from a typical, grazed oak woodland watershed (103 ha) in the northern Sierra Nevada foothills of California. Mean annual precipitation over the 20-yr period was 734 mm yr(-1) (range 366… CONTINUE READING
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