News tagged with introduced species


Introduced Japanese white-eyes pose major threat to Hawaii's native and endangered birds

Biology / Ecology

created Sep 17, 2009 | popularity 5 / 5 (1) | comments 0

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 ...


Colorado River in the Grand Canyon

River damming leads to dramatic decline in native fish numbers

Space & Earth / Environment

created Jul 10, 2008 | popularity 3.8 / 5 (4) | comments 0

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 ...





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First comprehensive review of the state of Antarctica's climate

Space & Earth / Earth Sciences

created Dec 01, 2009 | popularity 3.7 / 5 (10) | comments 4

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

Technology / Other

created Nov 30, 2009 | popularity not rated yet | comments 0

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

created Nov 24, 2009 | popularity 4.3 / 5 (3) | comments 1

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

Medicine & Health / Research

created Nov 22, 2009 | popularity 5 / 5 (8) | comments 0

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

Darwin's mockingbirds DNA research may help species recovery

Biology / Evolution

created Nov 18, 2009 | popularity 4 / 5 (1) | comments 0

(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 ...


Common plants can eliminate indoor air pollutants

Common plants can eliminate indoor air pollutants

Biology / Plants & Animals

created Nov 04, 2009 | popularity 4.3 / 5 (6) | comments 1

Air quality in homes, offices, and other indoor spaces is becoming a major health concern, particularly in developed countries where people often spend more than 90% of their time indoors. Surprisingly, indoor ...


When ants attack: Researchers recreate chemicals that trigger aggression

When ants attack: Researchers recreate chemicals that trigger aggression

Biology / Plants & Animals

created Oct 27, 2009 | popularity 5 / 5 (5) | comments 0

(PhysOrg.com) -- Experiments led by researchers at the University of California, Berkeley, have demonstrated that normally friendly ants can turn against each other by exploiting the chemical cues they use ...


Wild pigs and deer do not spread GM corn via feces or accumulate transgenic residues in meat

Biology / Other

created Oct 26, 2009 | popularity not rated yet | comments 0

Deer stew, roast of wild boar, venison ragout - come fall, all varieties of game are in season for gourmets. However, ever since the worldwide surge in genetically modified corn, critical consumers' appetites have abated ...


Grey Wolf A

Wolves lose their predatory edge in mid-life, study shows

Biology / Ecology

created Oct 26, 2009 | popularity 5 / 5 (1) | comments 0

Although most wolves in Yellowstone National Park live to be nearly six years old, their ability to kill prey peaks when they are two to three, according to a study led by Dan MacNulty and recently published ...


A solution to Darwin's 'mystery of the mysteries' emerges from the dark matter of the genome

Biology / Biotechnology

created Oct 26, 2009 | popularity 4.2 / 5 (14) | comments 0

Biological species are often defined on the basis of reproductive isolation. Ever since Darwin pointed out his difficulty in explaining why crosses between two species often yield sterile or inviable progeny (for instance, ...



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