Pinyon woodland in western Nevada (IMAGE) University of Nevada, Reno Caption A dead tree canopy can be seen in the top right of this pinyon pine stand in the Anchorite Hills in western Nevada. Research shows pinyon pine populations have been declining in western Nevada. 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.