News tagged with aquatic environments
Carbon-consuming life-forms in Antarctica
Lake Bonney in Antarctica is perennially covered in ice. It is exposed to severe environmental stresses, including minimal nutrients, low temperatures, extreme shade, and, during the winter, 24-hour darkness. ...
Apr 23, 2012 |
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New study examines density stratification on microorganisms in aquatic ecosystems
Microorganisms play pivotal functions in nature, particularly within aquatic ecosystems. Whether in an ocean or a lake, they are key players in the food chain and the vitality of individual ecosystems.
Mar 06, 2012 |
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Oil is more toxic than previously thought, study finds
Bad news for the Gulf of Mexico: a study released in late December sheds new light on the toxicity of oil in aquatic environments, and shows that environmental impact studies currently in use may be inadequate. The report ...
Jan 09, 2012 |
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Research reveals aquatic bacteria more recent move to land
Research by University of Tennessee, Knoxville, faculty has discovered that bacteria's move from sea to land may have occurred much later than thought. It also has revealed that the bacteria may be especially useful in bioenergy ...
Dec 22, 2011 |
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Keeping our beaches safe: New wireless sensor device rapidly detects E. coli in water samples
Fecal contamination of public beaches caused by sewage overflow is both dangerous for swimmers and costly for state and local economies. Current methods to detect Escherichia coli, a bacterium highly indicative of the pr ...
Dec 08, 2011 |
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Worms among first animals to surface after K-T extinction event, study finds
A new study of sediments laid down shortly after an asteroid plowed into the Gulf of Mexico 65.5 million years ago, an event that is linked to widespread global extinctions including the demise of big dinosaurs, ...
Other Sciences / Archaeology & Fossils
Oct 11, 2011 |
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Parasitoid wasps protect lettuce and celery from pests
Scientists have found that a native British parasitoid wasp has been found to be very effective at controlling the shore flies that infest lettuce and celery greenhouses, damaging crops and annoying farmers.
Jul 05, 2011 |
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Noise distracts fish from their dinner
Using underwater speakers to play noise at levels similar to those produced by recreational speedboats, the researchers found that three-spined sticklebacks exposed to even brief noise playback made more foraging mistakes ...
Feb 28, 2011 |
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Researcher explores whether fish feel pain
(PhysOrg.com) -- Do fish feel pain? Victoria Braithwaite, Penn State professor of fisheries and biology, has spent decades studying that question. In her recently published book, "Do Fish Feel Pain?" she examines whether ...
Nov 16, 2010 |
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Bacterial diversity of Tablas de Daimiel studied for first time
Researchers from the University of Valencia (UV) and the Biomedical Research Centre Network (CIBER) in Epidemiology and Public Health studied the structure of the bacterial community in four types of environments ...
Jul 06, 2010 |
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Research finds water movements can shape fish evolution (w/ Video)
Researchers from the University of Minnesota have found that the hydrodynamic environment of fish can shape their physical form and swimming style. The research, available on the Journal of Experimental Biology Web site, ...
Feb 04, 2010 |
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Fish food fight: Fish don't eat trees after all, says new study
(PhysOrg.com) -- What constitutes fish food is a matter of debate. A high-profile study a few years ago suggested that fish get almost 50 percent of their carbon from trees and leaves, evidence for a very ...
Nov 24, 2009 |
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Amphibians as environmental omen disputed
Amphibians, for years considered a leading indicator of environmental degradation, are not uniquely susceptible to pollution, according to a meta-analysis to be published in Ecology Letters.
Nov 11, 2009 |
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Antarctic lake home to diverse community of viruses
(PhysOrg.com) -- A study of the genetic structure of viruses in an Antarctic lake has revealed an astonishing genetic richness in the large number of viral families discovered.
Nov 11, 2009 |
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Researchers to study hidden lakes beneath West Antarctic ice sheet
(PhysOrg.com) -- UC Santa Cruz researchers are among the leaders of a major Antarctic research project in which scientists will drill through a half-mile of ice to penetrate subglacial Lake Whillans and study ...
Space & Earth / Earth Sciences
Oct 21, 2009 |
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