@misc{indiciaec8d24ddf55a9,
  title = {A classification of ecological boundaries},
  author = {David L. Strayer and Mary E. Power and William F. Fagan and Steward T. A. Pickett and Jayne Belnap},
  year = {2003},
  doi = {10.1641/0006-3568(2003)053[0723:acoeb]2.0.co;2},
  url = {https://pubs.usgs.gov/publication/70025828},
  note = {Source identifier: 70025828}
}