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Spatio-temporal patterns of ptarmigan occupancy relative to shrub cover in th...
Rock and willow ptarmigan are abundant herbivores that require shrub habitats in arctic and alpine areas. Shrub expansion is likely to increase winter habitat availability for... -
Herbivores Influence the Growth, Reproduction, and Morphology of a Widespread...
Shrubs have expanded in Arctic ecosystems over the past century, resulting in significant changes to albedo, ecosystem function, and plant community composition. Willow and rock...