@misc{indiciaef06dc620aaff,
  title = {Conserving biodiversity and ecosystem services.},
  author = {P Balvanera and G C Daily and P R Ehrlich and T H Ricketts and S A Bailey and C Kark and H Pereira},
  year = {2001},
  doi = {10.1126/science.291.5511.2047},
  url = {https://pubmed.ncbi.nlm.nih.gov/11256386/},
  note = {Source identifier: 11256386}
}