Using commercial tree nurseries to monitor visible ozone injury-An evaluation

▶ Assessment of potential methodology to assess the extent of ozone damage to trees. ▶ Comparisons of ozone mean concentration, AOT40 and cumulative stomatal flux. ▶ Detection of visible ozone injury in trees. ▶ Comparison of critical levels for ozone. ▶ Cost effective methodology for large scale assessment of ozone damage to trees.