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Ozone
Carbon Dioxide
Air Pollutants
Photochemical Oxidants
Chlorophylls
Ribulose Bisphosphate Carboxylase
Nitrogen
Betula
Plant Leaves
Trees
Populus
Salicaceae
Plant Stems
Plant Stomata
Photosynthesis
Plant Transpiration
Biomass
Ecosystem
Greenhouse Effect
Forestry
Co-Publications
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