Managing fish in human-altered rivers is a challenge because their food webs are sensitive to environmental disturbance. So reports a new study based on an exhaustive three-year analysis of the Colorado River in Glen and Grand Canyons.
Managing fish in human-altered rivers is a challenge because their food webs are sensitive to environmental disturbance. So reports a new study based on an exhaustive three-year analysis of the Colorado River in Glen and Grand Canyons.