Student measuring sapling (IMAGE) University of Nevada, Reno Caption University of Nevada, Reno doctoral student Elise Pletcher measures a single-leaf pinyon sapling as part of ongoing research to track the trends on pinyon-juniper woodlands. Credit Photo by Robert Shriver; University of Nevada, Reno. Usage Restrictions Provide photo credit. License Original 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.