Long-term impacts of the Exxon Valdez oil spill on sea otters, assessed through age-dependent mortality patterns.

@article{Monson2000LongtermIO,
  title={Long-term impacts of the Exxon Valdez oil spill on sea otters, assessed through age-dependent mortality patterns.},
  author={Daniel H. Monson and Daniel F Doak and Brenda E. Ballachey and Amanda Johnson and James L. Bodkin},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  year={2000},
  volume={97 12},
  pages={6562-7}
}
We use age distributions of sea otters (Enhydra lutris) found dead on beaches of western Prince William Sound, Alaska, between 1976 and 1998 in conjunction with time-varying demographic models to test for lingering effects from the 1989 Exxon Valdez oil spill. Our results show that sea otters in this area had decreased survival rates in the years following the spill and that the effects of the spill on annual survival increased rather than dissipated for older animals. Otters born after the… CONTINUE READING
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