Photooxidants have been recognized since the 1950s as gaseous agents that are
potentially harmful to plants (Lefohn 1992). Early observations in the Los Angeles area had …

This new edition of Fungi in Ecosystem Processes continues the unique approach of
examining the roles of fungi from the perspective of ecosystem functions. It explores how …

Databases are needed for the ozone (O 3) risk assessment on adult forest trees under stand
conditions, as mostly juvenile trees have been studied in chamber experiments. A synopsis …

Tropospheric ozone (O 3) may adversely affect tree growth, with critical levels for O 3 being
exceeded in many parts of Europe. However, unequivocal evidence for O 3-induced foliar …

The CEGB and the Cathedrals Advisory Commission for England formed a Joint Working
Party in 1985 to promote a research programme aimed at improving the understanding of …

Summary The University of Giessen long-term Free Air Carbon dioxide Enrichment
experiment (GiFACE) started in 1998 to study responses of a semi-natural grassland to …

summary Foliar uptake and release of inorganic nitrogen compounds were studied by
immersing current‐year shoots of Scots pine (Pinus sylvestris L.) and Norway spruce [Pica …

This paper documents the historical developments of free-air CO2 enrichment (FACE)
systems, describes seven FACE systems that are currently studying impacts of greenhouse …

The study of the effects of ambient air pollution on trees suffers from some practical
difficulties. One of these is the limited space generally available in fumigation chambers in …

summary In the Liphook Forest Fumigation Project the conifers Picea abies (L.) Karst., P,
sitchensis (Bong‐) Carr. and Pinus sylvestris L. were grown from the seedling stage and …