Intensive methods include predator control for cats, ferrets, stoats and weasels.
He is also a Certified Aerial Gunner for predator control.
During the early years of predator control, black-footed ferret carcasses were likely discarded, as their fur was of low value.
Since the fox is perceived by farmers as being predatory on sheep and small farm animals, terriers are used for predator control.
The issue of predator control is likely to become more controversial as the wolf continues its comeback in Western states.
The first stirrings of modern ecological thought emerged in the 1930's, when predator control - destroying "bad" animals to protect "good" ones - became suspect.
He tried to change National Park Service policies on predator control and on forest management.
Sport hunting, predator control and conservation of large carnivores.
A single female can produce upwards of one million eggs per year - without its home-range predator control, it thus chokes out competing flora.
The Carter administration favoured phasing out lethal methods of predator control.
