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.
nutrients
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.
Posted inNews
More Acidic Oceans Could Reduce Fertility for Algae Eaters
New research shows that increased levels of carbon dioxide in the oceans cause changes that alter key nutrients essential to the reproduction of animals low on the food web.
Posted inResearch Spotlights
An Unprecedented View of Biogeochemistry off India's West Coast
Yearlong study reveals seasonal changes in oxygen levels, nutrient availability, and plankton growth.
Posted inScience Updates
The Importance of Atmospheric Nutrients in the Earth System
Aerosol Impacts on Global Biogeochemical Cycles; Leeds, United Kingdom, 8 July 2015
Posted inNews
Icebergs Fertilize Southern Ocean, Sequester Carbon
Huge, drifting ice rafts (the white spot on the satellite image below ) shed minerals as they melt, painting trails of nutrients, teeming phytoplankton, and chlorophyll across hundreds of kilometers of ocean.
Posted inNews
Cave-Dwelling "Slime Curtains" Cycle Nitrogen and Iron
In a cave accessible only by daredevil divers, extraordinary microbial colonies metabolize nitrogen and iron nutrients and possibly remove pollutants from water.
Posted inResearch Spotlights
Strong Storms Flush Out Particulate Nitrogen
Field observations show that with climate change, fiercer tropical storms may release more particulate nitrogen from temperate forests into aquatic ecosystems.