News tagged with nutrient composition

Team finds natural reasons behind nitrogen-rich forests

(PhysOrg.com) -- Many tropical forests are extremely rich in nitrogen even when there are no farms or industries nearby, says Montana State University researcher Jack Brookshire.

Space & Earth / Earth Sciences

created Jan 16, 2012 | popularity 4.8 / 5 (6) | comments 1 | with audio podcast

Evidence for a persistently iron-rich ocean changes views on Earth's early history

Over the last half a billion years, the ocean has mostly been full of oxygen and teeming with animal life. But earlier, before animals had evolved, oxygen was harder to come by. Now a new study led by researchers ...

Space & Earth / Earth Sciences

created Sep 07, 2011 | popularity 4.3 / 5 (4) | comments 1 | with audio podcast

Phosphate sorption characteristics of European alpine soils

Soil chemistry plays an important role in the composition of surface waters. In areas with limited human activities, properties of catchment soils directly relate to the exported nutrients to surface waters. Phosphate sorption ...

Space & Earth / Environment

created Jun 14, 2011 | popularity not rated yet | comments 0

Warmer climate entails increased release of carbon dioxide by inland lakes

Much organically bound carbon is deposited on inland lake bottoms. A portion remains in the sediment, sometimes for thousands of years, while the rest is largely broken down to carbon dioxide and methane, which are released ...

Space & Earth / Earth Sciences

created Jul 21, 2010 | popularity 3 / 5 (7) | comments 3 | with audio podcast

Study examines dietary influences of liver disease

Diets high in protein and cholesterol are associated with a higher risk of hospitalization or death due to cirrhosis or liver cancer, while diets high in carbohydrates are associated with a lower risk. These findings are ...

Medicine & Health / Diseases, Conditions, Syndromes

created Jul 01, 2009 | popularity 5 / 5 (1) | comments 0

Ultra-fine coatings on sediment grains influence nitrate and sulfate storage in soil

Tiny sediment grains are covered with a very fine-grained, complex mixture of minerals in an open fabric that results in a large surface area in contact with water between the grains. Scientists at the U.S. Geological Survey ...

Space & Earth / Environment

created Feb 23, 2009 | popularity 5 / 5 (1) | comments 0