Tag Archive | Lichens on Tree Bark
Lichens – Litmus for Air Quality
Each spring, the parula warbler constructs nests made of bearded lichen in the mature forests of northern U.S. and southern Canada. This lichen is so important to the nesting success of this bird that when the lichen disappeared because of air pollution in the mid 1900’s, it stressed the populations of this tree top warbler. […]
Lichens – The First Pioneers
One of the most active volcanoes of the world, the Kilauea volcano in Hawaii frequently erupts with lava flows to the ocean. The lava hardens into new land where forces began to break down the igneous rock into a hospitable place for plants to grow. In addition to the physical forces of weathering, lichens contribute […]
