Measuring volatile organic compounds and stable isotopes emitted from trees and soils of the Biosphere 2 Rainforest

John C Meraz1, Laura K Meredith1, Joost L M Van Haren2 and Till H M Volkmann3, (1)University of Arizona, Tucson, AZ, United States, (2)University of Arizona, Biosphere 2, Tucson, United States, (3)Albert Ludwig University of Freiburg, Freiburg, Germany