Definition of ecological cascade in English:
A shift in the balance of populations in an ecosystem occasioned by marked depletion in one species, usually as a result of human action.
- In what may be a further iteration of this ecological cascade, sea urchins - a favorite food for otters - have thrived.
- As the story of the whale and the otter shows, there's no way to know the full consequences of an ecological cascade.
- They suspect that an ecological cascade began with the displacement of rich, oily fish such as herring and ocean perch by a less nutritious species called pollack.
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