News tagged with water ecosystems
Study reveals pesticide approval processes don't protect river biodiversity
(Phys.org) -- The results of an international study, using data from globally available field research, indicate that current pesticide approval procedures do not adequately protect the environment.
Jun 01, 2012 |
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Hearty bacteria help make case for life in the extreme
(PhysOrg.com) -- The bottom of a glacier is not the most hospitable place on Earth, but at least two types of bacteria happily live there, according to researchers.
Jan 19, 2012 |
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Study confirms oil from Deepwater Horizon disaster entered food chain in the Gulf of Mexico
Since the explosion on the BP Deepwater Horizon drilling rig in the Gulf of Mexico on April 20, 2010, scientists have been working to understand the impact that this disaster has had on the environment. For ...
Mar 20, 2012 |
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Breath of the Earth: Cycling carbon through terrestrial ecosystems
Two recent international studies are poised to change the way scientists view the crucial relationship between Earth's climate and the carbon cycle. These reports explore the global photosynthesis and respiration ...
Space & Earth / Earth Sciences
Jul 05, 2010 |
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Mesquite trees displacing Southwestern grasslands
As the desert Southwest becomes hotter and drier, semi-arid grasslands are slowly being replaced by a landscape dominated by mesquite trees, such as Prosopis velutina, and other woody shrubs, a team of University ...
Mar 18, 2012 |
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Cliffhanging corals avoid trawler damage
Bottom trawling fishing boats have devastated many cold water coral reefs along the margin of the North East Atlantic Ocean. Now, researchers have found large cold water coral colonies clinging to the vertical ...
Jan 20, 2012 |
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How do green algae react to carbon nanotubes?
Nanoparticles such as carbon nanotubes (CNT), which are found in an ever-increasing number of products, are ending up more and more frequently in our surroundings. If and how they affect aquatic ecosystems ...
Nanotechnology / Nanomaterials
Nov 04, 2011 |
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The grass is always greener
(PhysOrg.com) -- Recent study of grasslands shows that species variety more important to ecosystem services than previously thought.
Aug 19, 2011 |
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Pacific Northwest trees struggle for water while standing in it
Contrary to expectations, researchers have discovered that the conifers of the Pacific Northwest, some of the tallest trees in the world, face their greatest water stress during the region's eternally wet ...
Jul 25, 2011 |
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Groundwater depletion rate accelerating worldwide
In recent decades, the rate at which humans worldwide are pumping dry the vast underground stores of water that billions depend on has more than doubled, say scientists who have conducted an unusual, global ...
Sep 23, 2010 |
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Fish guts explain marine carbon cycle mystery
Research published today reveals the major influence of fish on maintaining the delicate pH balance of our oceans, vital for the health of coral reefs and other marine life.
Space & Earth / Earth Sciences
Jan 15, 2009 |
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In order to save biodiversity, society’s behaviour must change
(PhysOrg.com) -- Leading conservationists warn that in order to save biodiversity, society's behaviour must change.
Sep 09, 2010 |
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Fighting ecological invaders efficiently
Siemens is using a special water-treatment technique to make ship traffic more environmentally friendly. By disinfecting the ballast water in ships, a system named Sicure protects marine environments from ...
May 11, 2012 |
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Human Impacts and Environmental Factors Are Changing the Northwest Atlantic Ecosystem
(PhysOrg.com) -- Fish in U.S. waters from Cape Hatteras to the Canadian border have moved away from their traditional, long-time habitats over the past four decades because of fundamental changes in the regional ...
Aug 31, 2009 |
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Crowded Earth: how many is too many?
Already straining to host seven billion souls, Earth is set to teem with billions more, and only a revolution in the use of resources can avert an environmental crunch, experts say.
Other Sciences / Social Sciences
Oct 23, 2011 |
4.2 / 5 (10) |
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