Rapid Arctic environmental change affects the entire Earth system as thawing permafrost
ecosystems release greenhouse gases to the atmosphere. Understanding how much …

The permafrost zone is expected to be a substantial carbon source to the atmosphere, yet
large-scale models currently only simulate gradual changes in seasonally thawed soil …

Nonvascular photoautotrophs (NVP), including bryophytes, lichens, terrestrial algae, and
cyanobacteria, are increasingly recognized as being essential to ecosystem functioning in …

Unprecedented modern rates of warming are expected to advance boreal forest into Arctic
tundra, thereby reducing albedo,–, altering carbon cycling and further changing climate …

Vegetation is responding to climate change, which is especially prominent in the Arctic.
Vegetation change is manifest in different ways and varies regionally, depending on the …

Climate-induced northward advance of boreal forest is expected to lessen albedo, alter
carbon stocks, and replace tundra, but where and when this advance will occur remains …

Issue Despite their rather similar climatic conditions, eastern Eurasia and northern North
America are largely covered by different plant functional types (deciduous or evergreen …

The biodiversity of tundra areas in northern high latitudes is threatened by invasion of forests
under global warming. However, poorly understood nonlinear responses of the treeline …

Greenhouse gas (GHG) emission from inland waters of permafrost-affected regions is one of
the key factors of circumpolar aquatic ecosystem response to climate warming and …

Background Climate change is expected to increase fire activity across the circumboreal
zone, including central Siberia. However, few studies have quantitatively assessed potential …