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plankton

Visualization of the Kuroshio current.
Posted inEditors' Highlights

Nutrients at Depth Can Be Uplifted by the Kuroshio Large Meander

by Takeyoshi Nagai 8 December 20238 December 2023

Aperiodic, southward deflection of the Kuroshio, a.k.a. the Kuroshio large meander, uplifts the nutrients in deep layers to induce offshore phytoplankton bloom.

A large, goose-shaped lake stretches across Canada’s Northwest Territories. Two red circles and two yellow triangles mark sites where samples were taken from the lake, and the Slave River and the Hay River are both labeled.
Posted inNews

Arctic Warming Triggers Abrupt Ecosystem Shift in North America’s Deepest Lake

Cheryl Katz, Science Writer by Cheryl Katz 24 October 202330 October 2023

Great Slave Lake’s huge cold water mass shielded it from impacts of the rapidly warming climate—until now.

The Sun rising above Arctic sea ice; view of a meltwater pond and pressure ridges in the foreground
Posted inNews

Arctic Ice Loss Could Shorten Winter Feeding Time for Zooplankton

by Veronika Meduna 2 October 20232 October 2023

The Arctic’s thinning sea ice allows more light to penetrate deeper into the ocean, holding zooplankton far beneath the surface.

A satellite image shows blue sea ice in the Nares Strait and open water toward the bottom of the image.
Posted inNews

Winds Clear Sea Ice Through Fertile Arctic Waters

by Andrew Chapman 11 September 202311 September 2023

The North Water polynya might not be as dependent on a sea ice bridge as previously thought, but not everyone is convinced.

Green ocean mixed with blue close to a brown land
Posted inNews

More Than Half the World’s Ocean Surface Is Getting Greener

by Meghie Rodrigues 22 August 202317 June 2025

Advances in data analysis help researchers spot shifting ocean colors, which could be associated with climate change.

Diagram from the paper.
Posted inEditors' Highlights

Pulses of Coastal Upwelling Generate Phytoplankton

by Takeyoshi Nagai 8 May 20235 May 2023

Phytoplankton patches at an ocean front in the California Current System are found to originate from different coastal upwelling pulses.

Satellite imagery shows Tropical Cyclone Oma in white hovering over the South Pacific in blue, leaving a phytoplankton bloom in its wake.
Posted inResearch Spotlights

Tropical Cyclone Triggered Record Algal Bloom in the South Pacific

by Kirsten Steinke 2 May 20232 May 2023

In 2019, Tropical Cyclone Oma hovered over the Coral Sea in the South Pacific, leaving a massive algae bloom in its wake.

Satellite view of a swirling green bloom of phytoplankton set in the dark blue ocean.
Posted inScience Updates

Carbon In, Carbon Out: Balancing the Ocean’s Books

by Ryan Vandermeulen 27 April 202325 January 2024

Scientists have developed a consensus guide of standard protocols for how best to measure oceanic primary productivity, a key component in Earth’s carbon cycle.

View through a microscope of yellow spheres and white shapes with thin lines
Posted inNews

Marine Life May Be Headed to Higher Latitudes

by Mackenzie White 19 April 202319 April 2023

Researchers tracked plankton through a changing climate over 8 million years. Now, that knowledge is helping scientists understand the coming effects of warming oceans.

Researchers deploying an ARGO float.
Posted inEditors' Highlights

Bio-Argo Floats Reveal Phytoplankton Increase at Ocean Fronts

by Takeyoshi Nagai 20 March 202320 March 2023

Bio-Argo floats and satellite altimeter data reveal that upwelling caused by confluent flow on the warm side of ocean fronts increases phytoplankton carbon and chlorophyll.

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