Killer Whale Predation On Sea Otters

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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: 

Location of the ecosystem – Aleutian Islands, Alaska

Change in sea otter populations around the Aleutian Islands: 

Change in sea otter populations around the Aleutian Islands

WHY?: 

WHY?

Slide5: 


Killer whale prey in the Aleutians: 

Killer whale prey in the Aleutians

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Images from Estes et al. 1998

Slide12: 

Images from Estes et al. 1998

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

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