Willows in a greenhouse experiment to determine how they respond to flows that cause inundation or drying along the Colorado River
Willows in a greenhouse experiment to determine how they respond to flows that cause inundation or drying along the Colorado RiverWillows in a greenhouse experiment to determine how they respond to flows that cause inundation or drying along the Colorado River. Photo by Emily Palmquist, USGS Southwest Biological Science Center.