Invasion of the earthworms, mapped and analyzed

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Invasion of the earthworms, mapped and analyzed,
April 22, 2015,
Ohio State University,
Science Daily,

The ongoing research project at The Ohio State University, the University of Alberta and Simon Fraser University uses statistical analysis to forecast one worm species' spread, in hopes of finding ways to curtail it.

Most recently, they've focused on the boreal forest of northern Alberta. No native worms live in the forest whatsoever; the region had been worm-free since the last ice age 11,000 years ago, until invasive European species began working their way across the United States and Canada. The worms have only recently invaded Alberta.