News tagged with river ecosystem
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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Cod has a key role in the whole Baltic Sea
A new investigation put in evidence the key role of cod as regulator of the whole Baltic Sea ecosystem. The study shows that when the cod population in the central Baltic increases, it spreads into larger ...
Apr 18, 2012 |
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Same samples, different analytical strategies, complementary inferences
(Phys.org) -- The results of two separate but complementary analyses on 400 samples of Hanford Site groundwater appeared together in the journal of the International Society for Microbial Ecology. The studies ...
Apr 11, 2012 |
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An ecosystem being transformed: Yellowstone 15 years after the return of wolves
On the 15th anniversary of the return of wolves to Yellowstone National Park, a quiet but profound rebirth of life and ecosystem health is emerging, scientists conclude in a new report.
Dec 21, 2011 |
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Biodiversity and climate change - from bad to worse
(PhysOrg.com) -- A major new scientific review, involving more than 30 scientists from Australia, New Zealand and the Pacific Islands sets out our current knowledge of the impacts of climate change on biodiversity ...
Dec 08, 2011 |
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Scientists confirm Himalayan glacial melting
Glaciers in the Himalayas have shrunk by as much as a fifth in just 30 years, scientists have claimed in the first authoritative confirmation of the effects of climate change on the region.
Dec 05, 2011 |
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Dead Sea researchers discover freshwater springs and numerous micro-organisms
Ben-Gurion University of the Negev (BGU) researchers have discovered deep freshwater springs on the Dead Sea floor that feed into this rapidly dwindling body of water.
Space & Earth / Earth Sciences
Sep 27, 2011 |
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Urban impacts on phosphorus in streams
Although phosphorus is an essential nutrient for all life forms, essential amounts of the chemical element can cause water quality problems in rivers, lakes, and coastal zones. High concentrations of phosphorus in aquatic ...
Aug 11, 2011 |
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Beetle may pack a big punch in curbing salt cedar
(PhysOrg.com) -- Non-native vegetation’s infiltration to the greater Southwest has caused its share of ecosystem concerns over the years. Now Heather Bateman is looking at the effectiveness of some of ...
Apr 01, 2011 |
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The ecosystem engineer: Research looks at beavers' role in river restoration
When engineers restore rivers, one Kansas State University professor hopes they'll keep a smaller engineer in mind: the North American beaver.
Jan 03, 2011 |
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Slowing urban sprawl, adding forests curb floods and help rivers
Controlling urban growth and increasing forested land are the most effective ways to decrease future water runoff and flooding, according to a Purdue University study.
Aug 19, 2010 |
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In midst of river cleanup, supporters are divided
(AP) -- Once a dumping ground for chemicals, a stretch of the Housatonic River that winds near this Berkshires hamlet is being scoured in a lengthy, expensive cleanup. Now, dredging other parts of the riverbed ...
Jul 26, 2010 |
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Researchers Establish Common Seasonal Patterns Among Bacterial Communities in Arctic Rivers
(PhysOrg.com) -- New research on bacterial communities throughout six large Arctic river ecosystems reveals predictable temporal patterns, suggesting that scientists could use these communities as markers ...
Space & Earth / Earth Sciences
Nov 24, 2009 |
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Some Canadian rivers at risk of drying up
(PhysOrg.com) -- Some Canadian rivers are at risk of drying up as impacts of climate change intersect with growing water demand from the country's cities, industries and agriculture, a new WWF report has found.
Oct 15, 2009 |
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Shifting Baselines Confound River Restoration
Steep reductions in the abundance of fish, shellfish, and other aquatic fauna in recent centuries are not restricted to animals that live in the sea: historical records show that species in rivers and lakes worldwide also ...
Sep 01, 2009 |
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