LeafLitter -- MeshBags (IMAGE) University of California - Berkeley Caption Leaf and root litter were placed in mesh bags on the ground and left for up to 10 years. Subsets of bags were collected every year to determine the rate at which the leaves and roots decayed. The nitrogen content of the litter was also measured. Credit (Photo by Jay M. Sexton) 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.