World Map of Nutrient Network Sites (IMAGE) University of Nebraska-Lincoln Caption This map shows Nutrient Network sites studied. Numbers correspond to chart included with Nature article describing each site. Credit <I>Nature</I> 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.