New study shows legacy of DDT to lake ecosystems

New findings of a multi-university research team show the pesticide DDT persists in remote lakes at concerning levels half a century after it was banned, affecting key aquatic species and potentially entire lake food webs.

Ground shaking during devastating flood offers new insights

A devastating wall of water gushed down the Bhotekoshi/Sunkoshi River in Nepal on July 5, 2016. It came from a lake that had been dammed by a glacial moraine, but the dam broke and discharged more than 100,000 tons of water ...

Algae a threat to walleye vision, study finds

Walleye and the fish they eat struggle to see in water clouded by algae, and that could potentially jeopardize the species' future if harmful algal blooms persist, according to a new study.

Increases in westerly winds weaken the Southern Ocean carbon sink

A new study of lake sediments from the sub-Antarctic reveals for the first time that increases in westerly winds are likely to reduce the ability of the Southern Ocean to absorb carbon dioxide from the atmosphere. The results ...

Greenhouse gas 'feedback loop' discovered in freshwater lakes

A new study of chemical reactions that occur when organic matter decomposes in freshwater lakes has revealed that the debris from trees suppresses production of methane—while debris from plants found in reed beds actually ...

Rapid changes in the high Arctic

A new study led by an INSTAAR postdoctoral researcher has found dramatic shifts in the ecosystem of a remote archipelago in the Arctic Ocean in response to recent climate change.

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