How will rising levels of carbon dioxide influence ecosystems? Scientists have tackled this question numerous times, but none have tested the assumption that a single-abrupt increase in CO2 concentrations will produce changes similar to gradual increases over several decades. UCR scientist part of research team published in the journal Nature.
Photo Caption: mycorrhizal fungi
A paper in the Feb. 10 issue of the journal Nature titled Abrupt Rise in Atmospheric CO2 Overestimates Community Response in a Model Plant-Soil System, takes a closer look at this aspect of climate modeling. University of California, Riverside Professor of Plant Pathology and Biology, Michael Allen is part of the research team that wrote the paper with John N. Klironomos, Shokouh Makvandi-Nejad, Benjamin E. Wolfe, and Jeff R. Powell of the Department of Botany, University of Guelph, Ontario, Canada; and Matthias C. Rilling and Jeff Piotrowski of the Division of Biological Sciences, University of Montana. The work was supported by the Canadian Government, the U. S. Department of Energy, and the U. S. National Science Foundation.
The team observed the response of a mycorrhizal fungal community to CO2 concentrations over a span of six years, which included 21 generations. The fungi, which live around the root systems of plants, are considered a beneficial partner to plants – helping them cope with natural stresses, such as low soil fertility, drought and temperature extremes.
Ricardo Duran | EurekAlert!
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