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Live fast, die young
Date:4/18/2012

This release is available in German.

Minneapolis/ Halle/Saale. Cities in both, the US and Europe harbour more plant species than rural areas. However, plant species of urban areas are closer related to each other and often share similar functions. Consequently, urban ecosystems should be more sensitive towards environmental impacts than rural ecosystems. This is concluded by German and US scientists based on a field study in Minneapolis (Minnesota) led by Jeannine Cavender-Bares, Associate Professor at the University of Minnesota. The new study confirms results obtained by Dr. Sonja Knapp and colleagues of Helmholtz Centre for Environmental Research (UFZ) in a study on the German flora in 2008. The new results have been published as a preprint in Ecology and have been highlighted in the renowned science magazine Nature.

The recent study compared plant diversity in private yards of the Twin Cities metropolis Minneapolis-St. Paul in the Midwest of the United States with plant diversity at the nearby Cedar Creek Ecosystem Science Reserve, part of the Long-Term Ecological Research network supported by the U.S. National Science Foundation. Cities are growing around the world, and understanding how urbanization and urban gardening impact biodiversity and ecosystem services is increasingly important. Scientists from the University of Minnesota, UFZ in Halle and Max-Planck Institute for Biogeochemistry in Jena, Germany, the University of California, and Whittier College California asked how different urban plant diversity in private yards is from the diversity of naturally occurring plants. Using a newly established global plant trait database (TRY), they found that the typical spontaneous yard species is short-lived, fast-growing, produces small seeds, uses humans as dispersal vectors, and is adapted to high temperatures.

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Contact: Tilo Arnhold
presse@ufz.de
49-341-235-1635
Helmholtz Association of German Research Centres
Source:Eurekalert  

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