@misc{indiciaee8f7ad3db63a,
  title = {Monitoring for conservation},
  author = {J.D. Nichols and B. Kenneth Williams},
  year = {2006},
  doi = {10.1016/j.tree.2006.08.007},
  url = {https://pubs.usgs.gov/publication/5224700},
  note = {Source identifier: 5224700}
}