News tagged with nutrient levels

Humble plants may save the planet

Marine ecologists call them seagrass meadows. They once wrapped Australia's coastline providing sanctuary and food for dugongs and turtles, habitats for fish to breed and myriad other ecosystem services such ...

Aug 16, 2013
4.5 / 5 (12) 0 | with audio podcast

Coccoliths thrive despite ocean acidification

Ocean acidification is damaging some marine species while others thrive, say scientists. An international team studied the effect of ocean acidification on plankton in the North Sea over the past forty years, ...

May 22, 2013
4.7 / 5 (3) 1 | with audio podcast

Fungi shifted plant balance of power

Cooperating with fungi didn't just help the earliest plants spread across a barren, rocky landscape; it also played a decisive role in the rise of more complex plants with roots and leaves that make up most ...

May 24, 2012
5 / 5 (2) 0 | with audio podcast

Climate change dictated by the ocean

(PhysOrg.com) -- The influence of the world’s oceans over carbon dioxide levels and climate change is better understood thanks to researchers from the University of Canberra and The Australian National ...

Oct 22, 2010
3.6 / 5 (11) 13 | with audio podcast

Aquatic 'dead zones' contributing to climate change

The increased frequency and intensity of oxygen-deprived "dead zones" along the world's coasts can negatively impact environmental conditions in far more than just local waters. In the March 12 edition of the journal Science, Univer ...

Mar 11, 2010
3.3 / 5 (7) 5 | with audio podcast

More CO2 also means less nutritious food

Rice, maize, soybeans and wheat are the main source of nutrients for over 2 billion people living in poor countries. But with climate change and the rising amount of CO2 in the air we breathe, their already low nutrient value ...

Jun 06, 2014
3.8 / 5 (16) 15