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Earthworms rob forests of key nutrients; pave way for other invaders


By Chris Symons

Compost box heroes, or the root of all ecological evil? Worms in Great Lakes forests are not what they seem. Trilliums are smaller, algal blooms are more common and hummingbird populations are decreasing. All of these are made worse by non-native earthworms in Great Lakes soil. A recent study in Ecosystems journal identified four key minerals that earthworms remove from soil and that native plants need to grow. Continue Reading →

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