TY - Generic T1 - Ozone effects on Sphagnum mosses, carbon dioxide exchange and methane emission in boreal peatland microcosms. Y1 - 2002 A1 - Niemi, R. A1 - Martikainen, P.J. A1 - Silvola, J. A1 - Holopainen, T. JF - Science of The Total Environment VL - 289 ER -