Air Survey - What Can Lichens Tell Us about Air Quality?
This resource consists of two field work activities. The first records lichens on trees as an indicator of air quality and the second looks for tar spot fungus on sycamore leaves. This links to curriculum work on plants, habitats, air quality and improving the environment. This resource includes a workbook, field guide and tree identification guide.
This survey is part of the Open Air Laboratories (OPAL) project which encourages people from all backgrounds to get back in touch with nature and will also generate valuable scientific data concerning the state of our environment.
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