Scientists studied plant DNA to understand past extinctions. They found that warming climates increase competition, ...
An international research team has described a newly discovered algae species Streptofilum arcticum and its cell functions ...
The tundra biome contains only about 3% of the ... Soils are low in nutrients due to slow decomposition rates and plants retain nutrients in long-lived evergreen tissues. Nitrogen fixation by ...
Global warming is producing a rapid loss of plant species—according to estimates, roughly 600 plant species have died out ...
Tundra swan subspecies also winter in Europe ... These large birds feed by dipping their heads underwater to pluck aquatic plants, tubers, and roots. They also eat shellfish and are developing ...
For caribou, growth of woody plants like alders and willows means problems. Caribou depend on tundra plants like lichen and mosses; the shrubs and trees taking over the terrain are reducing the ...
Among the pioneer plants that were the first to appear on ... in insects and arachnids can serve as an indicator of the tundra bio-geo-cenoses' disturbance. On the fire sites, we have noted ...