Nadezda Prozherina,^* Elena Nakvasina,^** Elina Oksanen<sup>***


*</sup>Nadezda Prozherina is a researcher at the Institute of Ecological Problems in the North of Ural Branch of Russian Academy of Sciences. She is a specialist in the environmental stress physiology of hardwood forest trees. She studies molecular, cellular, and physiologic plant responses to exposure to environmental stress factors, such as industrial air pollution, greenhouse gases, and climate change. Her address: Institute of Ecological Problems in the North UB RAS, Sev. Dviny emb., 23, 163000 Arkhangelsk, Russia. pronad@atnet.ru
^**Elena Nakvasina is a professor of silviculture at the Arkhangelsk State Technical University. She is a specialist in forest trees genetics. For 30 years she has been studying the genetic structure of forest populations, the generative and morphologic variability of coniferous responses to provenance tests, and responses of forest tree population structure to climate change. Her address: Department of Silviculture, Arkhangelsk State Technical University, Sev. Dviny emb., 17, 163000 Arkhangelsk, Russia. nakvasina@agtu.ru
^***Elina Oksanen is a professor of plant physiology and biotechnology at the University of Joensuu. She is a specialist in plant stress physiology, and the focus of her current resesarch is ecophysiology combined with molecular biology. She has been studying responses of deciduous forest trees to elevating ozone levels, carbon dioxide, drought, soil nitrogen, and several other climate change–related stress factors since the 1990s. Her address: Faculty of Biosciences, University of Joensuu, P.O. Box 111, FI-80101 Joensuu, Finland. elina.oksanen@joensuu.fi