Traffic Separation Scheme (image) Smithsonian Tropical Research Institute Caption The blue lines show ships that entered or left the Gulf of Panama between Aug. 21 and Sept. 19, 2009. Colored lines show the tracks of 12 tagged whales during the same period. In the new scheme, boats would all enter via the yellow area. Credit Smithsonian Usage Restrictions None 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.