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Killer whale predation on sea otters: how predation can cause major changes in an ecosystem

Killer whale predation on sea otters: how predation can cause major changes in an ecosystem. Special thanks to Dr. James Estes for the images and figures. Location of the ecosystem – Aleutian Islands, Alaska. Change in sea otter populations around the Aleutian Islands. WHY?.

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Killer whale predation on sea otters: how predation can cause major changes in an ecosystem

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  1. Killer whale predation on sea otters: how predation can cause major changes in an ecosystem Special thanks to Dr. James Estes for the images and figures

  2. Location of the ecosystem – Aleutian Islands, Alaska

  3. Change in sea otter populations around the Aleutian Islands

  4. WHY?

  5. Killer whale prey in the Aleutians

  6. Images from Estes et al. 1998

  7. Images from Estes et al. 1998

  8. Your turn!Make a hypothesis about what is going to happen if the sea otters continue to decline or even disappear.

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