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Dwarf birch was the only species studied that did not increase in abundance under grazing. In all cases, the presence or absence of large grazing wildlife influenced how the plants responded.
Dwarf birch was the only species studied that did not increase in abundance under grazing. In all cases, the presence or absence of large grazing wildlife influenced how the plants responded.
Baby muskoxen in Greenland. (Eric Post, UC Davis) How willow and birch react to such changes will affect how much carbon can be stored. The more shrubs in the Arctic, the more carbon is absorbed from ...
They include the dwarf birch Betula nana and the black crowberry Empetrum hermaphroditum. Both thrive in arctic-alpine conditions; this makes them typical representatives of tundra vegetation.
Science The arctic tundra’s fall foliage is as vibrant as it is short-lived Even without many trees, the northern Alaskan landscape erupts into beautiful, warm-colored leaves. Helen Bradshaw ...
Arctic wintergreen, a very rare species, grows among birch and willow shrubs near Kangerlussuaq, Greenland. (Eric Post/UC Davis) The authors suggest that by constraining the abundance of the two most ...
The Arctic is becoming warmer and, in many places, drier. Those conditions favor willow over dwarf birch, the study found, even though birch are more abundant at the study site.