By William Demchick [CC BY 3.0 (], from Wikimedia Commons

This article was originally published on

“New research from the University of Guelph is dispelling a commonly held assumption about climate change and its impact on forests in Canada and abroad.

It’s long been thought that  is enabling treelines to march farther uphill and northward. But it turns out that climate warming-induced advances may be halted by unsuitable soils. It is an important finding for resource managers looking to preserve individual species or entire ecosystems.

“There’s a common belief about the impacts of climate change,” said U of G researcher Emma Davis. “It’s actually a more complicated story than people believe.” Her studies are the first in southwestern Canada to test how factors such as  may affect treeline advance…”

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