Tag Archive | Lichen
Solving a Myth: Do Lichens Know What Direction They’re Growing In?
Introduction Growing up in Canada, our culture has always praised the pioneers who colonized what we call home. Lichens, in the way the first settlers tell us about a community, tell us a lot about an ecosystem. They are bioindicators for air quality and perhaps even cardinal direction. Join us in our investigation as we […]
Comparative Study of Lichen Populations
Lichens: they’re very common, but more often than not go unnoticed by the casual observer. What you miss seeing in these unobtrusive composite organisms is their sensitivity to air pollutants that makes them valuable bioindicators. To begin with, lichens are formed through the symbiotic association of a photosynthetic algae and a fungus (Richardson, 1992). The […]
The St. Lawrence Lowlands 