@misc{indiciaeeb4aa969eb7e,
  title = {Climate change is advancing spring onset across the U.S. national park system},
  author = {William B. Monahan and Alyssa Rosemartin and Katharine L. Gerst and Nicholas A. Fisichelli and Toby R. Ault and Mark D. Schwartz and John E. Gross and Jake F. Weltzin},
  year = {2016},
  doi = {10.1002/ecs2.1465},
  url = {https://pubs.usgs.gov/publication/70176844},
  note = {Source identifier: 70176844}
}