Forest Canopy (IMAGE) Washington State University Caption Each colored dot in the picture represents a separate tree in the LES forest simulator. The size and number of dots changes over time to reflect growth and competition for resources in an actual forest. Credit Washington State University Usage Restrictions Please credit 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.