Significant spatial and temporal patterns emerge from the first pan-Arctic comparison of oxygen demand in marine sediments.
nutrients
Posted inResearch Spotlights
Small Wetlands Retain Lion’s Share of Nutrients
Still-water ecosystems are key to combating explosive algae growth.
Posted inResearch Spotlights
Antarctic Microbes Shape Nutrient Content of Snowmelt
As temperatures continue to rise, snow-dwelling microbes could accelerate melting and influence downstream ecosystems.
Posted inResearch Spotlights
Changes in Groundwater Flow Affect Nitrogen Cycling in Streams
Overpumping and other activities that affect groundwater levels could combine with increased nitrogen runoff to amplify threats to human and environmental health.
Posted inResearch Spotlights
Tracking Nitrogen in Arctic Plants
Prevailing nutrient uptake models do not fit Arctic plants. Scientists test a new option that overcomes older models’ shortcomings.
Posted inResearch Spotlights
What Proportion of River Nutrients Reaches the Open Sea?
Results of the first geographically based estimates of river nutrient supply indicate that 75% of dissolved nitrogen and 80% of phosphorus reach the open ocean.
Posted inResearch Spotlights
Arctic Survey Hunts for Missing Nitrogen and Phosphorus
A new survey of ocean waters flowing in and out of the Arctic may shed light on how dissolved organic nitrogen and phosphorus contribute to nutrient cycling in the Arctic.
Posted inResearch Spotlights
Drifting Floats Reveal Nitrate Patterns in Mediterranean Sea
Next-generation autonomous platforms allow scientists to understand physical mechanisms that control nitrate availability in the Mediterranean surface water.
Posted inNews
Using Acid and Physical Force, Fungi Burrow Through Rock
Scientists observe the step-by-step process by which a fungus attacks a mineral to extract vital nutrients.
Posted inResearch Spotlights
Glacial Meltwater Features Depend on Glacier Type and Location
With climate change, some glaciers will melt faster than others, altering the proportions of nutrients in meltwater and changing downstream ecosystems.