Invasive worms--and what is 'savannification'? (part 1 of 2): Explaining earthworms and environmental histories (with maps!) of the prairie-woodland boundary in the Northern Plains and Northwoods
(Originally posted elsewhere on 3 December 2019.) More on worm invasion, regarding “savannification” and why the transition zone between boreal forest and temperate woodlands near the “northern central hardwoods forest ecoregion” of Minnesota, Wisconsin, and Michigan is a critical region for minimizing the damage from the northward expansion of non-