Composite Hurricane Activity (IMAGE) Duke University Caption This map shows the total increase of photosynthesis and carbon uptake by forests caused by all hurricanes in 2004. The dotted gray lines represent the paths of the individual storms. Credit Lauren Lowman, Duke University Usage Restrictions None 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.