Forest Floor in Sequoia National Park (IMAGE) U.S. National Science Foundation Caption Photo of a forest floor. Forests influence snow distribution. Snowmelt in turn affects forest productivity. Credit University of Colorado, Boulder Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.