Whether there is a minimum threshold of prairie dogs required to keep vegetation clipped and to watch for predators, and if shooting reduces the prairie dog colony population below that threshold.
(shooting; reduces; the prairie dog colony population below that threshold) (prairie dogs; required; to keep vegetation clipped and to watch for predators) (vegetation; clipped; )
shooting prairie dogs vegetation
reduces required clipped
the prairie dog colony population below that threshold
to keep vegetation clipped and to watch for predators