来自MSN9 个月
Damage found inside Glen Canyon Dam increases water risks on the Colorado River
Federal officials have discovered damage inside Glen Canyon Dam that could force limits ... as well as the smaller outlet pipes that enable water releases at low reservoir levels.
Feds will jolt invasive bass with cold water in a bid to help native Grand Canyon fish
An incursion of smallmouth bass into the Colorado River could bite into Grand Canyon's native humpback chubs. Colder dam ...
Center for Biological Diversity1 年
Glen Canyon Dam Operations Must Safeguard Grand Canyon’s Rare Fish, Conservationists Warn
Climate-driven declines in Colorado River flows and historically low Lake Powell levels have caused warm water and ... operation of the dam to keep the bass from establishing downstream and to save ...
Center for Biological Diversity1 年
Bass Population Doubles Below Glen Canyon Dam, Worsening Extinction Risk for Rare Grand ...
Failure to prevent bass from passing through Glen Canyon Dam and reproducing downstream threatens this largest and last remaining source population of the chub. Climate-driven declines in Colorado ...
npca.org9 年
Glen Canyon
The 1.2 million-acre park spans the scenic desert landscape from bottom of Canyonlands National Park to the tip of Grand Canyon National Park, including buttes, cliffs, canyons, and mesas. The park ...
Smith College6 年
"Ecology and Management of the Colorado River and Grand Canyon" to be Topic of Presentation
Stevens served as a National Park Service ecologist from 1988 to 1994, coordinating and conducting studies of the effects of Glen Canyon Dam on the Colorado River corridor in the Grand Canyon. Through ...