News tagged with introduced species
River damming leads to dramatic decline in native fish numbers
Jul 10, 2008 |
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Damming of the Colorado River over the last century, alongside introduction of game fish species, has led to an extensive decline in numbers of native fish whilst introduced species have flourished. Scientists ...
Introduced Japanese white-eyes pose major threat to Hawaii's native and endangered birds
Sep 17, 2009 |
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In the late 1920s, people intentionally introduced birds known as Japanese white-eyes into Hawaiian agricultural lands and gardens for purposes of bug control. Now, that decision has come back to bite us. A recent increase ...
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Mexico's conch shells yield clues into effects of warming
Dec 22, 2009 |
3 / 5 (1) |
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Divers plumb the turquoise depths of ocean waters some 100 kilometers south of this vacation paradise, in search of the distinctive queen conch shell prized by vacationers and souvenir-seekers.
Within a cell, actin keeps things moving
Dec 17, 2009 |
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(PhysOrg.com) -- Using new technology developed in his University of Oregon lab, chemist Andrew H. Marcus and his doctoral student Eric N. Senning have captured what they describe as well-orchestrated, actin-driven, ...
Europe's flora is becoming impoverished
Dec 11, 2009 |
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With increasing species richness, due to more plant introductions than extinctions, plant communities of many European regions are becoming more homogeneous. The same species are occurring more frequently, ...
Killer catfish? Venomous species surprisingly common, study finds
Dec 10, 2009 |
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(PhysOrg.com) -- Name all the venomous animals you can think of and you probably come up with snakes, spiders, bees, wasps and perhaps poisonous frogs. But catfish?
Researchers learn why invasive plants are spreading rapidly in forests
Dec 10, 2009 |
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(PhysOrg.com) -- Invasive plants are advancing into Eastern forests at an alarming rate, and the rapid spread has been linked by researchers in Penn State's College of Agricultural Sciences to forest road ...
First comprehensive review of the state of Antarctica's climate
Space & Earth / Earth Sciences
Dec 01, 2009 |
3.8 / 5 (12) |
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The first comprehensive review of the state of Antarctica's climate and its relationship to the global climate system is published this week by the Scientific Committee on Antarctic Research (SCAR). The review - Antarctic ...
Grant to help zoo visitors learn more about science with their cell phones
Nov 30, 2009 |
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Zoo visitors may soon use their cell phones to "Call the Wild" as part of a project led by University of Florida researchers to help the public learn more about the nature of science.
LSU gets to the bottom of things -- in Antarctica
Space & Earth / Earth Sciences
Nov 24, 2009 |
4.3 / 5 (3) |
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Antarctica has long held secrets of the earth's history locked in its icy depths, and until recently, there has been very little information on the environments that have been sealed beneath miles of ice for millions of years. ...
Surface bacteria maintain skin's healthy balance
Nov 22, 2009 |
5 / 5 (9) |
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On the skin's surface, bacteria are abundant, diverse and constant, but inflammation is undesirable. Research at the University of California, San Diego School of Medicine now shows that the normal bacteria living on the ...
Darwin's mockingbirds DNA research may help species recovery
Nov 18, 2009 |
4 / 5 (1) |
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(PhysOrg.com) -- New research could help protect the future of a rare bird in the Galapagos Islands that was an inspiration for Darwin’s theory of evolution by natural selection, scientists report in a paper ...
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