An influx of nutrients in recent decades has contributed to the proliferation of algae in the large Canadian lake.
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Phosphorus runoff from farmland surrounding Lake Champlain contributes to summer cyanobacteria blooms in the northeastern part of the lake.
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A break in the clouds offered a glimpse of phytoplankton north of Norway, Finland, and Russia.
Swirls of phytoplankton and sediment brightened the island’s coastal waters in July 2023.
Cyanobacteria covered over half of the surface of Florida’s largest freshwater lake in mid-June 2023.
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Turquoise swirls of phytoplankton developed over the course of two weeks in the shallow sea basin.
These swirling tendrils of phytoplankton might be Noctiluca scintillans—a type of marine dinoflagellate known to inhabit this area.
Toxic blooms are becoming more frequent in Chile’s Lake Villarrica.
Abundant phytoplankton swirled in the waters off the U.S. Mid-Atlantic coast in spring 2023.
A belt of seaweed that stretches from the west coast of Africa to the Gulf of Mexico is the largest on record for March.
Scientists developed a way to detect the fine-scale features of harmful algae blooms that occur close to beaches and inside small bays.