(Opinion) Writers on the Range: Will this frog survive the showdown of natural ecosystems vs outdoor recreation? greeleytribune.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from greeleytribune.com Daily Mail and Mail on Sunday newspapers.
Gorging on zooplankton, insects and two kinds of mountain yellow-legged frogs, the alien invaders unraveled aquatic and terrestrial ecosystems, often in designated wilderness.
Shortly after World War II, California fish managers had a brainstorm: They loaded juvenile trout into airplanes and saturation-bombed naturally fishless lakes in the High Sierra Mountains of California. Some of the fish hit rocks and ice, but most hit water.