Park’s elk woes trickle down to beaver dams, researchers say


And in the absence of nature’s corps of engineers, “the valley’s a lot drier,” said Cherie Westbrook, lead author of a beaver study by the team. “You have water tables in the valley that drop 3 or 4 feet in the summer.” Westbrook, who did her research as a Colorado State University doctoral student, teaches at the University of Saskatchewan.