Lichen Transplant Experiments And Air Pollution Studies

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Abstract
A series of transplant experiments were carried out with various corticolous lichens to assess relative sensitivities to air pollution by measuring physiological damage. Comparison is made with mapping data and with results from laboratory experiments with SO2. With species of acid bark there is good correlation between the 3 sets of data, particularly that from the transplant experiments and from mapping studies. Species of basic bark give poor correlations between all 3 sets of data. These results are discussed in terms of an appraisal of the transplant technique.