Controlled O3 exposures and field observations of O3 effects in the UK.

摘要: Damage caused by air pollution to conifers in the UK was first recorded Cohen and Ruston (1912), it has long been known that one of most serious effects on is increased susceptibility cold injury drought (Munch 1933; Lux 1965) including winter desiccation. Consequently, studies atmospheric O3 tree health using controlled exposures have directed towards evaluating these relationships. The climate several surveys are discussed along with results long-term data obtained from large-scale fumigation experiment at Liphook. Detailed chamber O3-induced changes surface waxes, hardening, nutrient leaching, photosynthesis, carbon allocation responses biotic factors followed a description interactions deciduous trees.