Researchers probe millennia-old deep-ocean sponges for links between ocean nutrients and climate.
nutrients
Posted inResearch Spotlights
Accounting for the Missing Silica in the Marine Sediment Cycle
Cosmogenic silicon-based estimates of the amount of biogenic silica stored in clays along continental margins could explain the large discrepancy in the nutrient’s global marine budget.
Posted inEditors' Highlights
“North Pacific Nutrient Leakage” During Glacials
Carbon isotope data suggest an alternative source of nutrients to the Eastern Equatorial Pacific during glacial periods.
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Sandy Beaches Are Hotbeds of Biochemical Activity
A new study explores the role of wet sand in coastal ecology.
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World’s Biggest Oxygen Producers Living in Swirling Ocean Waters
Oceanographers probe the impact of deep swirling vortices on phytoplankton.
Posted inResearch Spotlights
New Baseline for Understanding Arctic Oxygen and Nutrient Fluxes
Significant spatial and temporal patterns emerge from the first pan-Arctic comparison of oxygen demand in marine sediments.
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Small Wetlands Retain Lion’s Share of Nutrients
Still-water ecosystems are key to combating explosive algae growth.
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Antarctic Microbes Shape Nutrient Content of Snowmelt
As temperatures continue to rise, snow-dwelling microbes could accelerate melting and influence downstream ecosystems.
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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.