Trophic Cascade

Wolves, specifically reintroducing them, is a hot topic in western states.  The reasons for not wanting them range from : ranchers saying they kill livestock to parents being worried their children will be attacked.  In general the thought of a pack of wolves roaming around makes people nervous.

While these are valid feelings, there is another side to the story.  Wolves play a role in the food chain, a role that goes above keeping the number of deer in check.  God in His infinite wisdom knew what he was doing when he created various animals, gave them their roles, and placed them together to live.  We are still learning all the subtle workings of these relationships.

“How Wolves Change Rivers” describes the result of reintroducing wolves in Yellowstone National Park.  The result was larger and more wide spreading then they imagined: