News tagged with oxygen depletion

Dramatic expansion of dead zones in the oceans

Unchecked global warming would leave ocean dwellers gasping for breath. Dead zones are low-oxygen areas in the ocean where higher life forms such as fish, crabs and clams are not able to live. In shallow coastal regions, ...

dateJan 25, 2009 in Earth Sciences
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Jurassic Park from a Swiss lake?

Ecological changes caused by humans affect natural biodiversity. For example, the eutrophication of Greifensee and Lake Constance in the 1970s and 1980s led to genetic changes in a species of water flea which was ultimately ...

dateMar 12, 2009 in Evolution
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Carbon sequestration: Boon or burden

The idea to sequester carbon is gaining support as a way to avoid global warming. For example, the European Union plans to invest billions of Euros within the next ten years to develop carbon capture and storage whereby CO2 ...

dateJun 27, 2010 in Earth Sciences
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Rapid coral death by a deadly chain reaction

(Phys.org) -- Most people are fascinated by the colorful and exotic coral reefs, which form habitats with probably the largest biodiversity. But human civilisation is the top danger to these fragile ecosystems through climate ...

dateMay 24, 2012 in Environment
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Could oysters be used to clean up Chesapeake Bay?

Chronic water quality problems caused by agricultural and urban runoff, municipal wastewater, and atmospheric deposition from the burning of fossil fuels leads to oxygen depletion, loss of biodiversity, and harmful algal ...

dateJan 21, 2011 in Environment
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Seabed biodiversity in oxygen minimum zones

Some regions of the deep ocean floor support abundant populations of organisms, despite being overlain by water that contains very little oxygen, according to an international study led by scientists at the United Kingdom's ...

dateMar 24, 2010 in Earth Sciences
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