<style face="normal" font="default" size="100%">Tools for determining critical levels of atmospheric ammonia under the influence of multiple disturbances</style>

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<style face="normal" font="default" size="100%">Tools for determining critical levels of atmospheric ammonia under the influence of multiple disturbances</style>

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17

<style face="normal" font="default" size="100%">Causes of change in nitrophytic and oligotrophic lichen species in a Mediterranean climate: impact of land cover and atmospheric pollutants.</style>

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<style face="normal" font="default" size="100%">Improving the use of lichens as biomonitors of atmospheric metal pollution.</style>