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For this paper researchers used a diatom-based palaeolimnological approach featuring a paired lake study design to examine the impact of thaw slumping on freshwater ecosystems in the low Arctic of western Canada. They compared biological responses in six lakes affected by permafrost degradation with six undisturbed, reference lakes. Their results demonstrate that retrogressive thaw slumping represents an important stressor to the biological communities of lakes in the western Canadian Arctic and can result in a number of limnological changes. [Source: Freshwater Biology]
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