@misc{indiciae5fb687fee163,
  title = {Nitrogen excess in North American ecosystems: Predisposing factors, ecosystem responses, and management strategies},
  author = {Mark E. Fenn and M. A. Poth and J. D. Aber and Jill Baron and Bernard T. Bormann and Dale W. Johnson and A. Dennis Lemly and Steven G. McNulty and D.F. Ryan and Robert Stottlemyer},
  year = {1998},
  doi = {10.1890/1051-0761(1998)008[0706:neinae]2.0.co;2},
  url = {https://pubs.usgs.gov/publication/70020744},
  note = {Source identifier: 70020744}
}