: Because they are sensitive to pollutants like pesticides, their presence is a "sentinel" for soil quality.
: While beneficial in many areas, introduced earthworm species in northern North America can actually harm forests by changing soil chemistry and reducing native plant diversity. Educational Resources & Guides: : Because they are sensitive to pollutants like
: The series is famous for its high-pitched catchphrases like "Revenge!" and "Bombs away!". Go to product viewer dialog for this item. Biology and Ecology of Earthworms : Because they are sensitive to pollutants like
: Because they are sensitive to pollutants like pesticides, their presence is a "sentinel" for soil quality.
: While beneficial in many areas, introduced earthworm species in northern North America can actually harm forests by changing soil chemistry and reducing native plant diversity. Educational Resources & Guides:
: The series is famous for its high-pitched catchphrases like "Revenge!" and "Bombs away!". Go to product viewer dialog for this item. Biology and Ecology of Earthworms