Arctic permafrost stores nearly 1,700 billion metric tons of frozen and thawing carbon.
Anthropogenic warming threatens to release an unknown quantity of this carbon to the …

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

Chapter 2, building on prior assessments1, provides a global assessment of the observed
impacts and projected risks of climate change to terrestrial and freshwater ecosystems …

Biogeomorphic wetlands cover 1% of Earth's surface but store 20% of ecosystem organic
carbon. This disproportional share is fueled by high carbon sequestration rates and effective …

Chapter 2, building on prior assessments, provides a global assessment of the observed
impacts and projected risks of climate change to terrestrial and freshwater ecosystems …

Despite the growing interest in predicting global and regional trends in vegetation
productivity in response to a changing climate, changes in water constraint on vegetation …

Soil hydrological processes (SHP) support ecosystems, modulate the impact of climate
change on terrestrial systems and control feedback mechanisms between water, energy and …

The carbon balance of peatlands is predicted to shift from a sink to a source this century.
However, peatland ecosystems are still omitted from the main Earth system models that are …

Executive Summary The Agriculture, Forestry and Other Land Use1 (AFOLU) sector
encompasses managed ecosystems and offers significant mitigation opportunities while …

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 …