News tagged with freshwater
Researchers Reveal That Environmentally Devastating Zebra Mussels Can Be Controlled
Dec 14, 2009 |
3.3 / 5 (6) |
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Cloaked in a delicate brown and cream striped shell and measuring a mere inch in length, the zebra mussel certainly doesn’t look ominous. This tiny invasive species, however, has wreaked havoc in waterways ...
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Greenland glaciers: What lies beneath
Space & Earth / Earth Sciences
Dec 15, 2009 |
3.6 / 5 (5) |
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Scientists who study the melting of Greenland's glaciers are discovering that water flowing beneath the ice plays a much more complex role than they previously imagined.
Ancient pygmy sea cow discovered
Other Sciences / Archaeology & Fossils
Dec 14, 2009 |
4.3 / 5 (6) |
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(PhysOrg.com) -- The discovery of a Middle Eocene (48.6-37.2 million years ago) sea cow fossil by McGill University professor Karen Samonds has culminated in the naming of a new species. This primitive "dugong" ...
Even at sublethal levels, pesticides may slow the recovery of wild salmon populations
Dec 16, 2009 |
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Biologists determined that short-term, seasonal exposure to pesticides in rivers and basins may limit the growth and size of wild salmon populations. In addition to the widespread deterioration of salmon habitats, these findings ...
Climate Wizard makes large databases of climate information visual, accessible
Dec 15, 2009 |
3.5 / 5 (12) |
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A Web tool that generates color maps of projected temperature and precipitation changes using 16 of the world's most prominent climate-change models is being used to consider such things as habitat shifts that will affect ...
Researchers reveal ancient origins of modern opossum
Other Sciences / Archaeology & Fossils
Dec 16, 2009 |
4 / 5 (2) |
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A University of Florida researcher has co-authored a study tracing the evolution of the modern opossum back to the extinction of the dinosaurs and finding evidence to support North America as the center of ...
Headwater stream nutrient enrichment disrupts food web
Dec 17, 2009 |
4.2 / 5 (6) |
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Human activity is increasing the supply of nutrients, such as nitrogen and phosphorus, to stream systems all over the world. The conventional wisdom -- bolstered by earlier research -- has held that these additional nutrients ...
Monument lifted from Cleopatra's underwater city
Other Sciences / Archaeology & Fossils
Dec 17, 2009 |
4.9 / 5 (8) |
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(AP) -- Archaeologists on Thursday hoisted a 9-ton temple pylon from the waters of the Mediterranean that was part of the palace complex of the fabled Cleopatra before it became submerged for centuries in ...
Sick of swine flu? Toxic algae could be the next big threat
Dec 15, 2009 |
3 / 5 (2) |
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With a new theory surfacing that toxic algae rather than asteroids killed the dinosaurs, scientists are still trying to unravel the mystery of what caused a massive algae bloom off the Northwest Coast that left thousands ...
Study on Great Lakes erosion dredges up controversy
Dec 17, 2009 |
5 / 5 (1) |
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The Great Lakes aren't as great as they once were. A U.S.-Canadian study released Tuesday reveals that unexpected erosion in the St. Clair River following a 1962 dredging project has permanently lowered Lakes Michigan and ...
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