Sea otter heroes : the predators that saved an ecosystem /

"Marine biologist Brent Hughes discovered a surprising connection between sea otters and sea grass at an estuary in northern California. Follow science in action as Hughes conducts the research that led to this major discovery."--

Main Author: Newman, Patricia, 1958-
Format: Book
Published: Minneapolis : Millbrook Press, [2017]
Physical Description: 56 pages : illustrations (chiefly color), color map ; 24 x 28 cm
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Richmond Public Library J 599.7695 New
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