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Channel: Phys.org news tagged with:nutrients
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The balance of marine bacteria in the Baltic Sea

Carina Bunse has written a thesis on marine bacteria and how they respond to the changes in their environment. Bacteria affect nutrient turnover in the Baltic Sea and with it the balance of the sea. As...

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Plants increase flower production within a day of soil nutrient application

The molecular mechanisms enabling plants to quickly adapt their rate of flower production in response to changing nutrient levels in soil have been revealed by researchers at the Sainsbury Laboratory.

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Combined nutrients and warming massively increase methane emissions from lakes

Shallow lakes in agricultural landscapes will emit significantly greater amounts of methane, mostly in the form of bubbles (ebullition) in a warmer world, which is a potential positive feedback...

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New research to help reduce number of algae blooms that form annually

The massive algal blooms caused by excess fertilizer from farms and cities running off into water supplies are having severe human health and economic consequences.

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In broadest view yet of world's low oxygen, scientists reveal dangers and...

In the past 50 years, the amount of water in the open ocean with zero oxygen has gone up more than fourfold. In coastal water bodies, including estuaries and seas, low-oxygen sites have increased more...

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Salmon help their offspring by dying on the spawning grounds

Spawning salmon that die after migrating home actually do their offspring a favor.

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Bacterial control mechanism for adjusting to changing conditions

A fundamental prerequisite for life on earth is the ability of living organisms to adapt to changing environmental conditions. Physicists at the Technical University of Munich (TUM) and the University...

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Study reveals significant role of dust in mountain ecosystems

Trees growing atop the Bald Mountain Granite in the southern Sierra Nevada rely on nutrients from windblown atmospheric dust—more than 50 percent—compared to nutrients provided from underlying bedrock.

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Invasive 'supervillain' crab can eat through its gills

Invasive green shore crabs can "eat" by absorbing nutrients across its gills—the first demonstration of this ability in crustaceans—scientists from the University of Alberta have found.

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Turbulence and nutrient availability drive changes in Red Sea microbes

Seasonal changes in turbulence and nutrient availability are shown to shape microbial communities in the Red Sea. "A lot of the marine ecosystem is ultimately based on how microbes live and what...

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Ribbed mussels could help improve urban water quality

Ribbed mussels can remove nitrogen and other excess nutrients from an urban estuary and could help improve water quality in other urban and coastal locations, according to a study in New York City's...

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Farm runoff and the worsening algae plague

Harmful algae blooms have become a top water polluter, fueled by fertilizers washing into lakes, streams and oceans. Federal and state programs have spent billions of dollars on cost-sharing payments...

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Cleaning up aquatic pollution with mussels

Scientists and activists alike have been looking for a solution to the problem of aquatic nutrient pollution. Now one group reports in Environmental Science & Technology that ribbed mussels are up...

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Research finds multiple nutrients are required for phytoplankton to thrive

Phytoplankton, unicellular photosynthetic microbes, play a fundamental role in the global carbon cycle and fuel marine food webs. Globally, phytoplankton productivity is regulated by the availability...

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Five years of findings hint at Australia's future response to our changing...

Since its launch in 2012, the EucFACE experiment, based at WSU's Hawkesbury campus, has exposed a patch of native forest in north-west Sydney to high levels of carbon-dioxide—replicating our predicted...

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Carbon coating gives biochar its garden-greening power

For more than 100 years, biochar, a carbon-rich, charcoal-like substance made from oxygen-deprived plant or other organic matter, has both delighted and puzzled scientists. As a soil additive, biochar...

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Researchers explore complex carbohydrates to protect water quality

Brainstorming sessions between a food chemist and a hydrologist at South Dakota State University have produced an innovative, potentially money-saving idea that will put nutrients back in the field.

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Fertilizers adjust nitrogen cycle of prairie plants, according to new study

Excess nitrogen gives an advantage to early season plants in Midwestern prairies, leading to further changes in prairie ecosystems, according to a recently published study from an Iowa State University...

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Study tells of pumpkin-colored zombies

Just in time for Halloween, a new study reveals that pumpkin-colored zombies may be running rampant through your local salt marsh.

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New tool to tackle water quality on farms

A Victoria University of Wellington researcher has developed a tool that Ravensdown will use to help New Zealand farmers lower their environmental footprints and better manage nutrient loss into...

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