Dense Habitat (IMAGE) University of Washington Caption This hemispherical photograph shows the tree canopy cover at a site in Santa Rosa National Park, Costa Rica. The corresponding forest profile (modified from Holdridge et al., 1971) gives a side profile of the forest's density. Credit Regan Dunn, U of Washington Usage Restrictions Photo credit required. 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.