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Environment Apr 23, 2024

From the coast to the deep sea, changing oxygen levels affect marine life in different ways

Earth's atmosphere maintains a constant level of oxygen, whether it is a wintry, rainy day or hot summer. Across the ocean, oxygen concentrations vary enormously between different places and over time. Sometimes oxygen levels ...

Earth Sciences Apr 23, 2024

Lakes worldwide are facing a slew of health issues that may become chronic

Like humans, lakes are living systems that can suffer from a number of health issues, including circulatory and respiratory problems, infections, nutritional imbalances, and heat-related illnesses. Without treatment, these ...

Ecology Apr 23, 2024

Study finds climate change is helping tropical fish invade Australian ocean water

A University of Adelaide study of shallow-water fish communities on rocky reefs in south-eastern Australia has found climate change is helping tropical fish species invade temperate Australian waters. The work is published ...

Plants & Animals Apr 23, 2024

Advances in understanding the evolution of stomach loss in agastric fishes

Living beings can evolve to lose biological structures due to potential survival benefits from such losses. For example, certain groups of ray-finned fishes show such regressive evolution—medakas, minnows, puffera, and ...

Environment Apr 23, 2024

Laser-treated cork absorbs oil for carbon-neutral ocean cleanup

Oil spills are deadly disasters for ocean ecosystems. They can have lasting impacts on fish and marine mammals for decades and wreak havoc on coastal forests, coral reefs, and the surrounding land. Chemical dispersants are ...

Agriculture Apr 23, 2024

Norway women bring seaweed to culinary heights in Europe

In the glacial waters of the Lofoten archipelago in Norway's far north, Angelita Eriksen uses a knife to cut a handful of seaweed that will soon end up in a fancy European eatery.

Ecology Apr 23, 2024

US advances review of Nevada lithium mine amid concerns over endangered wildflower

The Biden administration has taken a significant step in its expedited environmental review of what could become the third lithium mine in the U.S., amid anticipated legal challenges from conservationists over the threat ...

Plants & Animals Apr 22, 2024

Mitochondrial DNA copy number contributes to growth diversity in allopolyploid fish

Understanding the relationship between mitochondrial DNA (mtDNA) and animal growth could provide valuable information for selective breeding in aquaculture. However, the complex interactions between genetics and environmental ...

Plants & Animals Apr 22, 2024

Prehistoric lake sturgeon is not endangered, US says despite calls from conservationists

Lake sturgeon don't need Endangered Species Act protections, federal wildlife officials announced Monday, saying that stocking programs have helped the prehistoric fish return to areas where they had vanished.

Ecology Apr 22, 2024

Restoring coastal habitat boosts wildlife numbers by 61%—but puzzling failures mean we can still do better

Humans love the coast. But we love it to death, so much so we've destroyed valuable coastal habitat—in the case of some types of habitat, most of it has gone.

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