Alterations in the ultrastructure of epiphytic lichens Hypogymnia physodes and Alectoria capillaris caused by air pollution.

by Holopainen, Toini
Published 1981-01-01

First-year results on the effects of elevated atmospheric CO2 and O3 concentrations on needle ultrastructure and gas exchange responses of Scots pine saplings.

by Palomäki, Virpi, Holopainen, Toini, Kellomäki, Seppo, Laitinen, Kaisa
Published 1996-01-01

Open-top chamber fumigation system for exposure of field grown Pinus sylvestris to elevated carbon dioxide and ozone concentration

by Palomäki, Virpi, Hassinen, Alpo, Lemettinen, Matti, Oksanen, Timo, Helmisaari, Heljä-Sisko, Holopainen, Jarmo, Kellomäki, Seppo, Holopainen, Toini
Published 1998-01-01