Complex forest capopy (IMAGE) Purdue University Caption An example of a complex forest canopy at the Mountain Lake Biological Station in Virginia. The station is part of the National Science Foundation’s National Ecological Observatory Network. (Photo provided by Jeffrey Atkins, USDA Forest Service) Credit Photo provided by Jeffrey Atkins, USDA Forest Service Usage Restrictions News organizations may use this image in reports about the work of Purdue University's Brady Hardiman and his collaborators. 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.