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EurekAlert! - Earth Science
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The premier online source for science news since 1996. A service of the American Association for the Advancement of Science.
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Tree rings may underestimate climate response to volcanic eruptions
(Penn State) Some climate cooling caused by past volcanic eruptions may not be evident in tree-ring reconstructions of temperature change because large enough temperature drops lead to greatly shortened or even absent growing seasons, according to climate researchers, who compared tree-ring temperature reconstructions with model simulations of past temperature changes.
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Land-cover changes do not impact glacier loss
(University of Innsbruck) A new study shows that land-cover changes, in particular deforestation, in the vicinity of glaciers do not have an impact on glacier loss. However, the study, in which Innsbruck climate researcher were directly involved, also shows that deforestation decreases precipitation in mid elevation zones, which affects the quality of life of the population living in the surrounding areas. The study is published online in Nature Climate Change on Feb. 5 2012.
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University of Miami student Bignami among 5 Guy Harvey Scholarship recipients
(University of Miami Rosenstiel School of Marine & Atmospheric Science) University of Miami Rosenstiel School of Marine & Atmospheric Science graduate student Sean Bignami received a Guy Harvey Ocean Foundation scholarship for his studies of how the changing chemistry of marine waters as a result of ocean acidification might affect the early development of large marine fish.
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AIBS names emerging public policy leaders
(American Institute of Biological Sciences) The American Institute of Biological Sciences has selected two graduate students to receive the 2012 AIBS Emerging Public Policy Leadership Award. Lida Beninson is a Ph.D. candidate in Integrative Physiology at the University of Colorado Boulder. Andrew Reinmann is a Ph.D. candidate in Biology at Boston University.
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Castaway lizards offer new look at evolutionary processes
(National Science Foundation) Biologists who released lizards on tiny uninhabited islands in the Bahamas have uncovered a seldom-observed interaction between evolutionary processes.Jason Kolbe, a biologist at the University of Rhode Island -- along with colleagues at Duke University, Harvard University and the University of California, Davis -- found that the lizards' genetic and morphological traits were determined by both natural selection and a phenomenon called the founder effect.
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Global extinction: Gradual doom is just as bad as abrupt
(University of Cincinnati) Around 250 million years ago, most life on Earth was wiped out in an extinction known as the "Great Dying." A team led by University of Cincinnati geologist Thomas J. Algeo finds that the end came slowly from thousands of centuries of volcanic activity.
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Southampton enters research agreement with the Crown Estate
(University of Southampton) The University of Southampton has entered into a research agreement with the Crown Estate to provide specialist expertise to projects involving the seabed and near surface geology of UK waters.
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Sediments from the Enol lake reveal more than 13,500 years of environmental history
(FECYT - Spanish Foundation for Science and Technology) A team of Spanish researchers have used different geological samples, extracted from the Enol lake in Asturias, to show that the Holocene, a period that started 11,600 years ago, did not have a climate as stable as was believed.
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Parasites or not? Transposable elements in fruit flies
(University of Veterinary Medicine -- Vienna) The problem of parasitism occurs at all levels right down to the DNA scale. Genomes may contain up to 80 percent "foreign" DNA but details of the mechanisms by which this enters the host genome and how hosts attempt to combat its spread are still the subject of conjecture. Important new information comes from the group of Christian Schlötterer at the University of Veterinary Medicine, Vienna. The findings are published in the prestigious journal PLoS Genetics.
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Batchelor Foundation challenge grant to support helicopter purchase
(University of Miami Rosenstiel School of Marine & Atmospheric Science) The University of Miami's Rosenstiel School of Marine & Atmospheric Science announced that it has received a challenge grant for $700,000 from the Miami-based Batchelor Foundation to support its exploration research efforts. The funds will be applied toward the acquisition of a helicopter outfitted with a suite of scientific equipment that will serve as the basis for a one-of-a-kind platform for environmental observations at the School.
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