Curated OER
Lichens as Air Quality Indicators: A beginning lichen identification study (2003
Young scholars use GPS and trees to explore lichens and air quality.
Curated OER
Weathering and Soil Formation
A set of 27 slides systematically shows how weathering, erosion, and deposition contribute to soil formation. Both chemical and mechanical weathering are described, as are resulting soil layers and properties. There is no longer any need...
University of Guelph
Canada's Aquatic Environment: Lichens
Find out the exact definition for a lichen when you explore this resource. Examine the morphology, reproduction and importance of Lichen through the content of this resource.
Science Education Resource Center at Carleton College
Serc: Hunting Bears With a Microscope
In this study, students will use lichens and tardigrades (water bears) to investigate their use as bioindicators of key air pollutants.