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‘downed ash in forest’

downed ash in forest

In North American forests infested by the emerald ash borer (Agrilus planipennis), downed ash trees lead to significant changes in the forest ecosystem, for years to come. At first, the effects of gaps in the forest canopy are greatest; later, coarse woody debris on the forest floor becomes the greater influence, driving changes in the presence and activity of ground-dwelling invertebrates.

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