Beavers are expanding into Canada’s Arctic and changing the landscape

 A new study has traced the northward expansion of North American beavers into Canada’s Arctic by analysing shrub growth scars and satellite images. Researchers found evidence of colonisation beginning in 2008 and say the method can help track wildlife spread, landscape changes and the effects of climate change in remote Arctic regions. A new study has traced the northward expansion of North American beavers into Canada’s Arctic by analysing shrub growth scars and satellite images. Researchers found evidence of colonisation beginning in 2008 and say the method can help track wildlife spread, landscape changes and the effects of climate change in remote Arctic regions.