Jenny Klingberg,^* Mats P. Björkman,^** Gunilla Pihl Karlsson,^*** Håkan Pleijel<sup>****


*</sup>Jenny Klingberg is a PhD student in applied environmental science. Her main research interest is ground-level ozone and its impacts on vegetation with a focus on how the risk for negative effects is modified by the influence of climate (local, regional, and climate change). Her address: University of Gothenburg, Plant and Environmental Sciences, P.O. Box 461, SE-405 30 Göteborg, Sweden. jenny.klingberg@dpes.gu.se
^**Mats Björkman is a PhD student in atmospheric science with a main focus on nitrogen dynamics in the winter snow pack as part of the Marie Curie financed NSINK program working with nitrogen circulation within the Arctic. His earlier work, and current side projects, has focused on greenhouse gas emissions from Arctic and Alpine environments and their link to soil microbial activities. His current address: Norwegian Polar Institute, Polar Environmental Centre, N-9296 Tromsø, Norway. mats.bjorkman@npolar.no
^***Gunilla Pihl Karlsson has a PhD in applied environmental science. Her main research area is ground-level ozone and its impact on vegetation with a special interest on temporal and spatial variation of ozone in the landscape. Her address: Swedish Environmental Research Institute Ltd., P.O. Box 5302, SE-400 14 Göteborg, Sweden. gunilla.pihl.karlsson@ivl.se
^****Håkan Pleijel is a professor in applied environmental science. His main research areas are the temporal and spatial variation of ozone and other gaseous pollutants in the landscape as well as the effects of ozone and carbon dioxide on vegetation. His address: University of Gothenburg, Plant and Environmental Sciences, P.O. Box 461, SE-405 30 Göteborg, Sweden. hakan.pleijel@dpes.gu.se