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nutrients

An instrument with many sampling tubes is pulled out of the ocean at Station ALOHA. The samples will be analyzed for nutrient content, microbial diversity, and metabolic activity.
Posted inNews

Far-Flung Dust Storms Deliver Nutrient Boosts to North Pacific

Mary Caperton Morton, Science Writer by Mary Caperton Morton 22 July 20191 February 2023

Barren marine deserts bloom seasonally with iron infusions from Asian dust storms.

An aerial view of Waquoit Bay, a shallow estuary on Cape Cod, Mass.
Posted inResearch Spotlights

When the River Meets the Sea: Estuary Sediments and Hypoxia

Elizabeth Thompson by Elizabeth Thompson 20 March 201921 March 2022

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.

A satellite image of the Gulf Stream slicing across a turbulent western North Atlantic Ocean
Posted inResearch Spotlights

Eddies Influence Productivity in the Subtropical Open Ocean

Sarah Stanley, Science Writer by Sarah Stanley 13 February 201920 July 2022

Ocean eddies may help recycle nutrients within giant current systems that encircle “desert” surface waters.

Phytoplankton bloom in the Tasman Sea captured by the MODIS instrument on the Aqua satellite on 21 November 2017.
Posted inFeatures

Interpreting Mosaics of Ocean Biogeochemistry

by Andrea Fassbender, A. Bourbonnais, S. Clayton, P. Gaube, M. Omand, P. J. S. Franks, M. A. Altabet and D. J. McGillicuddy Jr. 17 December 201816 April 2025

Advances in technology and modeling capabilities are driving a surge in progress in our understanding of how ocean ecosystems mix and mingle on medium to small scales.

Aerial view of Archipelago Sea
Posted inNews

Just How Anomalous Is the Vast Baltic Sea Dead Zone?

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 30 July 20183 March 2023

Newly drilled cores from the Baltic Sea reveal 1,500 years of deoxygenation history. The record sheds light on the dire state of the Baltic Sea today.

Researchers sample glacial meltwater plumes to examine their role in nutrient transport
Posted inResearch Spotlights

Glacial Meltwater Plumes Support Greenland Phytoplankton Blooms

by Terri Cook 17 July 201811 January 2022

Field measurements from the Bowdoin Glacier show that entrainment of deep water into upwelling glacial discharge delivers crucial nutrients to the surface of the surrounding fjord.

https://doi.org/10.1029/2018GL077219
Posted inEditors' Highlights

Nutrients May Change Flavor of “Meadow Tea” in Lakes

by Rose Cory 6 July 201821 March 2022

Lakes in the US and Europe have been getting more tea-colored over the past 30 years, and this “browning” trend may increase nutrient levels and affect lake water quality.

Researchers analyze just how much silica is being transported across Earth’s oceans by phytoplankton
Posted inResearch Spotlights

The Tiny Organisms That Transport Silica Across Earth’s Oceans

by E. Underwood 29 June 201828 January 2022

Phaeodarians play a major role in marine nutrient cycle.

Puca glacier in the Peruvian Andes
Posted inNews

After a Glacier Retreats, Plants Thrive Thanks to Phosphorus

Katherine Kornei, Science Writer by Katherine Kornei 6 June 201812 April 2022

Grasses, small flowers, and mosses colonize glacial till in the Peruvian Andes when researchers apply a phosphorus fertilizer, an ecological surprise with implications for carbon sequestration.

Researchers examine layers of organic matter in peat bogs to better understand nutrient cycling
Posted inResearch Spotlights

Depth Matters in Peat Bog Nutrient Cycling

by David Shultz 31 May 20181 April 2022

Peatlands store around a third of Earth’s soil carbon, and a new study begins to reveal how the ecosystems’ organic matter changes with depth.

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