The contrast between the declining Western Arctic herd and the thriving Porcupine herd is correlated to different levels of ...
The study suggests one of the main drivers of the shift could be thawing permafrost, frozen ground that covers almost half of ...
The declining Western Arctic herd and the thriving Porcupine herd use habitat with differing levels of climate change-related ...
Recent findings indicate that the Arctic's traditional role as a planetary cooling agent is faltering, with hotspots and ...
That has mainly been due to carbon uptake from plants, which regulate ... But warming air temperatures in the Arctic are breaking down permafrost across the tundra, in some cases, severely.
In recent years, the Arctic tundra’s ability to emit less and absorb more carbon has taken a hit. A new analysis, which incorporated more data and better methods of examination, confirmed that the eco ...
linking grazing with plant phenology and abundance in the Arctic tundra. Phenology is the study of the timing and cyclical patterns in nature, such as when birds migrate, or when a plant first ...
The Arctic tundra now releases more carbon than it naturally ... than carbon dioxide — as bacteria in the soil digest thawing plant matter. Meanwhile, rising Arctic temperatures are driving ...