Hurst, Chris Rice and White sample soils (IMAGE) American Society of Agronomy Caption Hurst, Chris Rice and White sample soils in a bottomland wetland forest, an ecosystem that's been reduced by 80 percent in the lower Mississippi Valley. Credit Photo credit Joseph Baustian, The Nature Conservancy. Usage Restrictions Please use with story only. 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.