Old-Growth Forest (IMAGE) University of Arizona Caption Sean Michaletz (left) and Brian Enquist take a break from measuring trees in an old-growth forest in Oregon. The large tree behind them is an example of an old, large tree with a low growth rate, absorbing carbon from the atmosphere and making food for animals like squirrels and birds. Credit Irena Simova Usage Restrictions This visual may only be used in conjunction with reporting/posting of this news release. Image/video credit must be included exactly as indicated. 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.