Peatlands Experiment Begins in Minnesota (IMAGE) USDA Forest Service - Northern Research Station Caption Ten open-topped enclosures built over about 7 acres of bog on the Marcell Experimental Forest will allow scientists to manipulate conditions to simulate a variety of hypothetical climate change scenarios and record a range of effects. Credit Photo courtesy of Oak Ridge National Laboratory Usage Restrictions Credit Oak Ridge National Laboratory 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.