@misc{indiciae4c1a380367f8,
  title = {Ecoregions and ecoregionalization: geographical and ecological perspectives},
  author = {Thomas R. Loveland and James W. Merchant},
  year = {2004},
  doi = {10.1007/s00267-003-5181-x},
  url = {https://pubs.usgs.gov/publication/70157051},
  note = {Source identifier: 70157051}
}