by ecos | Oct 30, 2017
Bryophytes are dominant components of boreal forest understories and play a large role in regulating soil microclimate and nutrient cycling. Therefore, shifts in bryophyte communities have the potential to affect boreal forests’ ecosystem processes. We investigated...
by ecos | Oct 30, 2017
Increased fire severity in boreal forests of Interior Alaska is shifting forest canopy composition from black spruce (Picea mariana) to deciduous species, including trembling aspen (Populus tremuloides) and Alaska paper birch (Betula neoalaskana). Because deciduous...
by ecos | Sep 15, 2017
Warming temperatures in the Northern Hemisphere have enhanced terrestrial productivity. Despite the warming trend, North America has experienced more frequent and more intense cold weather events during winters and springs. These events have been linked to anomalous...
by ecos | Sep 15, 2017
Paleo-redox proxies are crucial for reconstructing past bottom water oxygen concentration changes brought about by ocean circulation and marine productivity shifts in response to climate forcing. Carbonate I/Ca ratios of multiple benthic foraminifera species from...
by ecos | Jun 12, 2017
Current and future warming of high latitude ecosystems will play an important role in climate change through feedbacks to the global carbon cycle. This study compares six years of CO2 flux measurements in moist acidic tundra using autochambers and eddy covariance...
