@misc{indiciae6299c2e2bd40,
  title = {The airspace is habitat},
  author = {Robert H. Diehl},
  year = {2013},
  doi = {10.1016/j.tree.2013.02.015},
  url = {https://pubs.usgs.gov/publication/70175452},
  note = {Source identifier: 70175452}
}