Tundra vegetation productivity and composition are responding rapidly to climatic changes
in the Arctic. These changes can, in turn, mitigate or amplify permafrost thaw. In this Review …

Vegetation composition shifts, and in particular, shrub expansion across the Arctic tundra
are some of the most important and widely observed responses of high-latitude ecosystems …

In the face of the growing challenges brought about by human activities, effective planning
and decision-making in biodiversity and ecosystem conservation, restoration, and …

STATE OF THE CLIMATE IN 2015 Page 1 Special Supplement to the Bulletin of the American
Meteorological Society Vol. 97, No. 8, August 2016 STATE OF THE CLIMATE IN 2015 Page 2 …

Numerous international scientific assessments and related articles have, during the last
decade, described the observed and potential impacts of climate change as well as other …

Abstract Ecosystems in the North American Arctic-Boreal Zone (ABZ) experience a diverse
set of disturbances associated with wildfire, permafrost dynamics, geomorphic processes …

Circumpolar expansion of tall shrubs and trees into Arctic tundra is widely thought to be
occurring as a result of recent climate warming, but little quantitative evidence exists for …

Connections between vegetation and soil thermal dynamics are critical for estimating the
vulnerability of permafrost to thaw with continued climate warming and vegetation changes …

Strong evidence for a pan-Arctic expansion of upright shrubs comes from analysis of satellite
imagery, historical photographs, vegetation plots, and growth rings. However, there are still …

Background Earth system models describe the physical, chemical and biological processes
that govern our global climate. While it is difficult to single out one component as being more …