Yosemite Nature Notes 10: Rock Fall
Since the glaciers retreated around 15,000 years ago, rock fall has been the major force of change in Yosemite Valley. Geologists work to understand this force of nature in order to protect the millions of visitors who come here each year.
Did You Know?
Riparian communities are adjacent to the river channel and tributaries; they are the interface between the river and surrounding meadow and upland communities. They provide specialized habitat and important nutrients to the meadow and river systems.