@misc{indiciae50e869bc8adb,
  title = {Evaluating early-warning indicators of critical transitions in natural aquatic ecosystems},
  author = {Alena Sonia Gsell and Ulrike Scharfenberger and Deniz Ozkundakci and Annika W. Walters and Lars-Anders Hansson and Annette B. G. Janssen and Peeter Noges and Philip Reid and Daniel Schindler and Ellen van Donk and Vasilis Dakos and Rita Adrian},
  year = {2016},
  doi = {10.1073/pnas.1608242113},
  url = {https://pubs.usgs.gov/publication/70192973},
  note = {Source identifier: 70192973}
}