2min chapter

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#383: Mike Phillips — How to Save a Species

The Tim Ferriss Show

CHAPTER

The Effects of Gray Wolfes on the Food Pyramid

A trophic cascade is when species at the top of the pyramid, relatively uncommon, animals like gray wolves begin to have such a profound effect on the next section. So for example, killing enough elk in Yellowstone Park and causing elk to change their behavior can bring about cascading effects through that food pyramid by changing the vegetative structure of the system. There's a rhythm to nature, and if you remove one piece, the rhythm can be interrupted.

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