Laboratory Equipment - Soil Microbes Hasten Climate Change
Van Groenigen, along with colleagues from Northern Arizona Univ. and the Univ. of Florida, gathered all published research to date from 49 different experiments mostly from North America, Europe and Asia, and conducted in forests, grasslands, wetlands, and agricultural fields, including rice paddies. The common theme in the experiments was that they all measured how extra carbon dioxide in the atmosphere affects how soils take up or release the gases methane and nitrous oxide.
The research team used a statistical technique called meta-analysis, or quantitative data synthesis, a powerful tool for finding general patterns in a sea of conflicting results. "Until now, there was no consensus on this topic, because results varied from one study to the next," explains Prof. Craig Osenberg of the Univ. of Florida and co-author of the study.
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