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Environmental Pollution (Barking, Essex : 1987)|November 3, 2009
DNA damage in Populus tremuloides clones exposed to elevated O3Helen H Tai, Kevin E Percy, David F KarnoskyEnvironmental Pollution (Barking, Essex : 1987)|November 7, 2006
Perspectives regarding 50 years of research on effects of tropospheric ozone air pollution on US forestsDavid F Karnosky, John M Skelly, Kevin E Percy, et al.Environmental Pollution (Barking, Essex : 1987)|August 14, 2009
Leaf size and surface characteristics of Betula papyrifera exposed to elevated CO2 and O3Johanna Riikonen, Kevin E Percy, Minna Kivimäenpää, et al.Environment International|April 5, 2003
Impacts of elevated atmospheric CO(2) on forest trees and forest ecosystems: knowledge gapsDavid F KarnoskyEnvironmental Pollution (Barking, Essex : 1987)|July 24, 2009
Spring leaf flush in aspen (Populus tremuloides) clones is altered by long-term growth at elevated carbon dioxide and elevated ozone concentrationJustin M McGrath, David F Karnosky, Elizabeth A AinsworthEnvironmental Pollution (Barking, Essex : 1987)|November 17, 2009
Differential response of aspen and birch trees to heat stress under elevated carbon dioxideJoseph N T Darbah, Thomas D Sharkey, Carlo Calfapietra, et al.Environmental Pollution (Barking, Essex : 1987)|October 27, 2009
Elevated CO2 response of photosynthesis depends on ozone concentration in aspenAsko Noormets, Olevi Kull, Anu Sôber, et al.Nature|December 3, 2002
Altered performance of forest pests under atmospheres enriched by CO2 and O3Kevin E Percy, Caroline S Awmack, Richard L Lindroth, et al.The New Phytologist|June 19, 2008
Isoprene emission rates under elevated CO2 and O3 in two field-grown aspen clones differing in their sensitivity to O3Carlo Calfapietra, Giuseppe Scarascia Mugnozza, David F Karnosky, et al.Environmental Pollution (Barking, Essex : 1987)|October 3, 2009
Diurnal changes in photosynthetic parameters of Populus tremuloides, modulated by elevated concentrations of CO2 and/or O3 and daily climatic variationKatre Kets, Joseph N T Darbah, Anu Sober, et al.Pageof 6