News tagged with nitrogen cycles


New images of marine microbe illuminate carbon and nitrogen fixation

Space & Earth / Environment

created Mar 30, 2009 | popularity 4 / 5 (3) | comments 0

Trichodesmium is unusual among marine microbes because it both "breathes" carbon dioxide like plants, while also taking nitrogen gas from the air and "fixing" it into a fertilizer of the seas.





Search results for nitrogen cycles


Earth's biogeochemical cycles, once in concert, falling out of sync

Earth's biogeochemical cycles, once in concert, falling out of sync

Space & Earth / Environment

created Aug 04, 2009 | popularity 4 / 5 (7) | comments 3

(PhysOrg.com) -- What do the Gulf of Mexico's "dead zone," global climate change, and acid rain have in common? They're all a result of human impacts to Earth's biology, chemistry and geology, and the natural ...


Researchers explain nitrogen paradox in forests

Space & Earth / Earth Sciences

created Jun 18, 2008 | popularity 4.3 / 5 (9) | comments 0

Nitrogen is essential to all life on Earth, and the processes by which it cycles through the environment may determine how ecosystems respond to global warming. But certain aspects of the nitrogen cycle in temperate and tropical ...


When accounting for the global nitrogen budget, don't forget fish

Space & Earth / Earth Sciences

created Jan 24, 2008 | popularity 4.9 / 5 (9) | comments 0

Like bank accounts, the nutrient cycles that influence the natural world are regulated by inputs and outputs. If a routine withdrawal is overlooked, balance sheets become inaccurate. Over time, overlooked deductions can undermine ...


Is nitrogen the new carbon?

Space & Earth / Environment

created Sep 21, 2009 | popularity 2 / 5 (1) | comments 3

In looking forward to the next Green Revolution, researchers have been carefully examining the role of nitrogen fixation in delivering successful crops around the globe.


Addressing the 'nitrogen cascade'

Space & Earth / Environment

created May 15, 2008 | popularity 3.8 / 5 (28) | comments 5

While human-caused global climate change has long been a concern for environmental scientists and is a well-known public policy issue, the problem of excessive reactive nitrogen in the environment is little-known beyond a ...


Climate change enhances grassland productivity

Climate change enhances grassland productivity

Space & Earth / Environment

created Jan 26, 2009 | popularity 3.5 / 5 (6) | comments 0

More frequent freeze-thaw cycles in winter can increase biomass production according to the results of a recent study conducted by the Helmholtz Center for Environmental Research (UFZ), the University of Bayreuth ...


Clams Convert Air Into Food

Clams Convert Air Into Food

Biology /

created Jan 16, 2008 | popularity 4.3 / 5 (21) | comments 0

Only plants can take nitrogen gas from the air and use it to make the protein they need to grow. Or so biologists thought.


Saharan dust storms sustain life in Atlantic Ocean

Space & Earth / Earth Sciences

created Jul 18, 2008 | popularity 4.4 / 5 (16) | comments 0

Research at the University of Liverpool has found how Saharan dust storms help sustain life over extensive regions of the North Atlantic Ocean.


Deep-Sea Microbes May Answer Long-Standing Question About Earth's Nitrogen Cycle

Deep-Sea Microbes May Answer Long-Standing Question About Earth's Nitrogen Cycle

Space & Earth / Earth Sciences

created Oct 15, 2009 | popularity 4.6 / 5 (9) | comments 1

(PhysOrg.com) -- Scientists have identified an unexpected metabolic ability in a symbiotic community of deep-sea microorganisms. It may help solve a lingering mystery about the world's nitrogen cycle.


Tropical plants go with the flow ... of nitrogen

Biology /

created May 07, 2007 | popularity 4.3 / 5 (8) | comments 0

Tropical plants are able to adapt to environmental change by extracting nitrogen from a variety of sources, according to a new study that appears in the May 7 early online edition of The Proceedings of the National Academy of ...



List of search results for nitrogen cycles