Preliminary study suggests mercury not a risk in dog foods

Researchers at the University of California, Davis, recently investigated levels of methylmercury in a small sampling of commercial dog foods and found good news for dog owners. Of the 24 diets tested, only three were positive ...

Nanoparticles accumulate quickly in wetland sediment

(Phys.org) —A Duke University team has found that nanoparticles called single-walled carbon nanotubes accumulate quickly in the bottom sediments of an experimental wetland setting, an action they say could indirectly damage ...

Forest loss starves fish

Debris from forests that washes into freshwater lakes supplements the diets of microscopic zooplankton and the fish that feed off them – creating larger and stronger fish, new research shows.

Manitoba stops zebra mussel invasion with fertilizer

Canadian conservation authorities on Tuesday celebrated a succesful test using liquid fertilizer to kill invasive Zebra mussels in a lakefront harbor in the western province of Manitoba.

Southern Ocean iron cycle gives new insight into climate change

An international team of researchers analyzed the available data taken from all previous studies of the Southern Ocean, together with satellite images taken of the area, to quantify the amount of iron supplied to the surface ...

Assessing the sustainability of aquaculture production

Global consumption of seafood has risen dramatically over the last decade, due to a growing population, increased affluence and changing eating habits - many now see seafood as a healthy alternative to meat. The EU is the ...

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