@misc{indiciae15f267129dc7,
  title = {Effects of landscape composition and wetland fragmentation on frog and toad abundance and species richness in Iowa and Wisconsin, USA},
  author = {M. G. Knutson and J.R. Sauer and D.A. Olsen and M.J. Mossman and L.M. Hemesath and M.J. Lannoo},
  year = {2001},
  doi = {10.1046/j.1523-1739.1999.98445.x},
  url = {https://pubs.usgs.gov/publication/5223874},
  note = {Source identifier: 5223874}
}