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In areas where there are elk, they force the elk to move around and to be on guard. This is good for vegetation, because without the fear of being eaten, elk will ravish one area before moving on. If they destroy much of the vegetation in an area (specifically the deciduous trees), they eliminate shade needed by fish in streams, make food source harder to find for beavers, which, without their dams, disrupts other stream life. Fewer or no wolves means more deer. More deer means more problems with deer within human settlements. Fewer wolves mean more human run-ins with mountain lions, since they will have little reason not to come down from the high country.
In hunting they tend to kill the weaker and sick members of the herds they hunt; leaving the stronger ones alive giving them a better chance to live and breed

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10y ago

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