Scientists find links between delayed freezing of Alaskan soils and higher atmospheric methane concentrations during the cold season.
Journal of Geophysical Research: Biogeosciences
Posted inEditors' Highlights
The Many Intertwined Stories of Tree Rings
Trees grow as they age, but it’s not straightforward to tease out how that growth changes over a century of environmental change.
Posted inResearch Spotlights
How Land Use Affects Nutrient Pollution in a Changing Climate
As heavy rain falls more frequently, the land alongside a river has a greater effect on the waterway’s nutrient levels—for better or worse.
Posted inEditors' Highlights
Stocking a Proper Buffet for a Megadiverse Smorgasbord
Mexico’s megadiverse biota challenge observation network design for efficient sampling, but novel methods can provide guidance and tests of representativeness.
Posted inResearch Spotlights
Tracking Dissolved Organic Matter in Coastal Ecosystems
Dissolved organic matter supports aquatic food webs and holds as much carbon as the atmosphere. A new study tracks which sources and processes play the biggest role in coastal systems.
Posted inResearch Spotlights
Understanding Stream Metabolism with Reactive Tracers
When the blue dye resazurin encounters living microorganisms, it transforms into fluorescent pink resorufin and helps scientists understand ecosystem respiration, but it has its limitations.
Posted inResearch Spotlights
Antarctica’s Seasonal Streams Contribute Iron to the Ross Sea
Analysis of nutrient concentrations in four streams that discharge to the Southern Ocean indicates they are important sources of iron and phosphorous for coastal phytoplankton communities.
Posted inResearch Spotlights
Soil Wet Spots Drive Agricultural Nitrogen Gas Emissions
A new study offers novel insights into the mechanisms driving gas releases in agricultural regions.
Posted inResearch Spotlights
When the River Meets the Sea: Estuary Sediments and Hypoxia
Scientists know that low-oxygen dead zones are growing worldwide. New research sheds light on what that will mean for estuary systems if trends continue.
Posted inResearch Spotlights
Leaf-Cutter Ants Boost Carbon Dioxide Emissions from Soil
Leaf-cutter ant nest openings emit up to 100,000 times more carbon dioxide than surrounding soil, a new study shows.