@misc{indiciaeaf425a92226d,
  title = {How do migratory species add ecosystem service value to wilderness? Calculating the spatial subsidies provided by protected areas},
  author = {Laura Lopez-Hoffman and Darius J. Semmens and Jay Diffendorfer},
  year = {2013},
  url = {https://pubs.usgs.gov/publication/70181794},
  note = {Source identifier: 70181794}
}