How do earthworms impact forests? Most people think earthworms are good for soil but that’s not true in all cases. Research shows that small mammals, birds, salamanders, invertebrates, and pl…
PDF) Ecosystem responses to exotic earthworm invasion in northern North American forests
Global worming: massive invasion of North America by earthworms revealed
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Spread – Alberta Worm Invasion Project
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Invasive earthworms are spreading through Canadian forests, and that's bad for bugs
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