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While there are many permafrost thaw studies, this one is unique in drawing a direct link from thawing permafrost to First Nations' food security in Canada. Scientists and hunters say that the diet of the caribou is threatened by thawing permafrost, which is gradually turning lichen-rich forested and shrubbed areas - where caribou come to feed - into wetlands, even lakes and ponds. [Source: CBC (Canadian Broadcasting Corporation)]
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