@misc{indiciae4bff3f58046f,
  title = {Effects and empirical critical loads of Nitrogen for ecoregions of the United States},
  author = {Linda H. Pardo and Molly J. Robin-Abbott and Mark E. Fenn and Christine L. Goodale and Linda H. Geiser and Charles T. Driscoll and Edith B. Allen and Jill Baron and Roland Bobbink and William D. Bowman and C M Clark and B. Emmett and Frank S Gilliam and Tara L. Greaver and Sharon J Hall and Erik A. Lilleskov and Lingli Liu and Jason A. Lynch and Knute J Nadelhoffer and Steven S. Perakis and John L Stoddard and Kathleen C. Weathers and Robin L. Dennis},
  year = {2015},
  doi = {10.1007/978-94-017-9508-1\_5},
  url = {https://pubs.usgs.gov/publication/70155979},
  note = {Source identifier: 70155979}
}