@misc{indiciae7f700feef5ce, title = {Catastrophes and conservation: Lessons from sea otters and the Exxon Valdez}, author = {James A. Estes}, year = {1991}, doi = {10.1126/science.254.5038.1596}, url = {https://pubs.usgs.gov/publication/1008045}, note = {Source identifier: 1008045} }