@misc{indiciaeab710678b29e,
  title = {Are there optimal densities for prairie birds?},
  author = {S. K. Skagen and A.A.Y. Adams},
  year = {2010},
  doi = {10.1525/cond.2010.090155},
  url = {https://pubs.usgs.gov/publication/70034043},
  note = {Source identifier: 70034043}
}