@misc{indiciae6efc9a9f31fa,
  title = {Degradation of water quality by bird feces in and around managed wetlands},
  author = {G.G. Shellenbarger and A.B. Boehm},
  year = {2006},
  url = {https://pubs.usgs.gov/publication/70175038},
  note = {Source identifier: 70175038}
}