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. 2014 May 9;5:194. doi: 10.3389/fpls.2014.00194

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Copyright © 2014 Kessler, Toivonen, Sylvester, Kluge and Hertel.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Map of the study region, showing the location of the study sites and the temperature data loggers. The number of plots and temperature data loggers (air/soil) in each site is indicated next to the symbols.