News tagged with nutrient

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Headwater stream nutrient enrichment disrupts food web

Biology / Ecology

created Dec 17, 2009 | popularity 4.2 / 5 (6) | comments 0

Human activity is increasing the supply of nutrients, such as nitrogen and phosphorus, to stream systems all over the world. The conventional wisdom -- bolstered by earlier research -- has held that these additional nutrients ...


Climate change turns up heat on mushrooms

Climate change turns up heat on mushrooms

Biology / Ecology

created Dec 09, 2009 | popularity 3.7 / 5 (3) | comments 1

(PhysOrg.com) -- Scientists have discovered that spring-fruiting fungi, including the morel and St George’s mushroom are fruiting nearly three weeks earlier than they did 50 years ago.


ADA releases updated position paper on nutrient supplementation

Medicine & Health / Other

created Dec 08, 2009 | popularity not rated yet | comments 0

While supplements can help some people meet their nutrition needs, eating a wide variety of nutrient-rich foods is the best way for most people to obtain the nutrients they need to be healthy and reduce their risk of chronic ...


In the war between the sexes, the one with the closest fungal relationship wins

Biology / Plants & Animals

created Nov 10, 2009 | popularity not rated yet | comments 0

The war between the sexes has been fought on many fronts throughout time -- from humans to birds to insects, the animal kingdom is replete with species involved in their own skirmishes. A recent study by Dr. Sarah Eppley ...


Model microbial community for studying expanding dead zones characterized

Model microbial community for studying expanding dead zones characterized

Space & Earth / Earth Sciences

created Oct 22, 2009 | popularity not rated yet | comments 0

Among the many changes in the ocean is the expansion of oxygen-deficient or oxygen minimum zones (OMZs), also known as dead zones, which affect the processes by which carbon is captured and sequestered on ...


Lake Research That Isn't All Wet

Lake Research That Isn't All Wet

Space & Earth / Environment

created Oct 02, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- The federal government may not have been able to save California from massive budget cuts, but at least a stimulus research grant will help scientists understand the biology of western lakes.


From grass to water, Chesapeake Bay experts differ on meaning of 'clean'

Space & Earth / Environment

created Sep 29, 2009 | popularity 1 / 5 (1) | comments 1

After a recent rain, Baltimore's Inner Harbor is clogged with an eclectic combination of garbage -- soda bottles and a large purple ball, sticks and dirt, candy wrappers and a hollowed-out television.


Precise blending makes marketable product from ethanol co-product

Chemistry / Biochemistry

created Sep 18, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- A Purdue University researcher has found a way to predict the nutrient content in distillers dried grains with solubles, making the ethanol byproduct more marketable as a feedstock.


New research to unravel how nutrients drive toxic 'brown tides' on East Coast

Space & Earth / Environment

created Sep 17, 2009 | popularity not rated yet | comments 0

NOAA has awarded Massachusetts-based Woods Hole Oceanographic Institution $120,000 as part of an anticipated three-year, nearly $500,000 project, to determine how nitrogen and phosphorus promote brown tides on the East Coast. ...


Chesapeake Bay cleanup a local issue for Pennsylvania, expert says

Chesapeake Bay cleanup a local issue for Pennsylvania, expert says

Space & Earth / Environment

created Sep 16, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- As federal agencies respond this month to President Barack Obama's executive order to redouble efforts to clean up the Chesapeake Bay, the challenge in Pennsylvania is to focus on local initiatives ...


Golf course putting greens show their age

Space & Earth / Environment

created Sep 04, 2009 | popularity 1 / 5 (1) | comments 0

Just like the rest of us, golf courses show their age -- especially on putting greens, which experience more foot traffic than anywhere else on golf courses. Putting greens, which comprise only about 1.6% of the total area ...


Newly improved reference material targets infant formula analysis

Chemistry / Materials Science

created Aug 26, 2009 | popularity not rated yet | comments 0

Chemists at the National Institute of Standards and Technology have issued a new certified reference material—a standardized sample backed by NIST—for determining the concentrations of vitamins, minerals and other nutrients ...


Water quality improves after lawn fertilizer ban, study shows

Water quality improves after lawn fertilizer ban, study shows

Space & Earth / Environment

created Aug 17, 2009 | popularity 5 / 5 (6) | comments 2

(PhysOrg.com) -- In an effort to keep lakes and streams clean, municipalities around the country are banning or restricting the use of phosphorus-containing lawn fertilizers, which can kill fish and cause ...


Carnegie donates landmark clones to biology

Chemistry / Biochemistry

created Aug 06, 2009 | popularity not rated yet | comments 0

With the information explosion, it's remarkable that so little is known about the interactions that proteins have with each other and the protective membrane that surrounds a cell. These interactive, so-called membrane proteins ...


Higher carbon dioxide may give pines competitive edge

Higher carbon dioxide may give pines competitive edge

Space & Earth / Environment

created Aug 03, 2009 | popularity 4 / 5 (6) | comments 12

(PhysOrg.com) -- Pine trees grown for 12 years in air one-and-a-half times richer in carbon dioxide than today's levels produced twice as many seeds of at least as good a quality as those growing under normal ...