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Invasion of the cane toads

Invasion of the cane toads

Biology /

created Feb 27, 2008 | popularity 4.2 / 5 (5) | comments 0

Why do some invasive species expand rapidly in a new environment while others do not? Scientists from the United States and Australia are beginning to make headway on this question after analyzing how fast ...


Hybrid 'Muttsucker' Has Genes of Three Species

Biology /

created Jul 23, 2008 | popularity 4.7 / 5 (3) | comments 0

In the murky waters of an inconspicuous stream in a remote area of Wyoming, researchers detail the potential impact that an introduced fish, the white sucker, could have on the evolutionary biology of fishes.


National assessment done on potential invasive snail and slug pests in US

Biology / Ecology

created Jul 31, 2009 | popularity not rated yet | comments 0

A collaborative team led by a University of Hawai'i at Manoa researcher has published the first-ever assessment of snail and slug species that are of potential threat to the nation's agriculture industry and the environment, ...


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 ...


Scientists nail quail mystery

Scientists nail quail mystery

Biology / Plants & Animals

created Oct 23, 2009 | popularity 3.5 / 5 (2) | comments 0

(PhysOrg.com) -- A Massey biology researcher has used DNA analysis to prove quail on Tiritiri Matangi Island are Australian and not remnants of an extinct New Zealand 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 ...


Woody and aquatic plants pose greatest invasive threat to China

Biology /

created May 01, 2008 | popularity 4.7 / 5 (3) | comments 0

Although China currently has fewer invasive woody plants than the United States, China’s potential for invasion by nonnative trees and shrubs is high, according to an article in the May 2008 issue of BioScience.


While the cat's away: How removing an invasive species devastated a World Heritage island

Biology /

created Jan 12, 2009 | popularity 5 / 5 (4) | comments 7

Removing an invasive species from sub-Antarctic Macquarie Island, a World Heritage Site, has caused environmental devastation that will cost more than A$24 million to remedy, ecologists have revealed. Writing in the new issue ...


Europe's flora is becoming impoverished

Europe's flora is becoming impoverished

Biology / Ecology

created Dec 11, 2009 | popularity 5 / 5 (1) | comments 1

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, ...


When evolution is not so slow and gradual

Biology / Evolution

created Jun 02, 2009 | popularity 4.9 / 5 (7) | comments 0

What's the secret to surviving during times of environmental change? Evolve…quickly.


Counting sheep in climate change predictions

Biology / Ecology

created May 29, 2009 | popularity 1 / 5 (2) | comments 0

Climate change can have devastating effects on endangered species, but new mathematical models may be able to aid conservation of a population of bighorn sheep.


Captive breeding introduced infectious disease to Mallorcan amphibians

Biology /

created Sep 22, 2008 | popularity not rated yet | comments 0

A potentially deadly fungus that can kill frogs and toads was inadvertently introduced into Mallorca by a captive breeding program that was reintroducing a rare species of toad into the wild, according to a new study published ...


Mosquito evolution spells trouble for Galapagos wildlife

Mosquito evolution spells trouble for Galapagos wildlife

Biology / Plants & Animals

created Jun 01, 2009 | popularity 4 / 5 (4) | comments 0

The Galapagos giant tortoise and other iconic wildlife are facing a new threat from disease, as some of the islands' mosquitoes develop a taste for reptile blood.


Missouri and Kansas are releasing alien insects to do battle with invasive plants

Biology / Ecology

created Aug 04, 2009 | popularity 3 / 5 (1) | comments 0

An alien plant species has invaded Missouri and is threatening to overrun crops and livestock pastures. To combat the scourge weed, officials are deliberately releasing two alien insect species to destroy its roots and seeds. ...


The tourist trap: Galapagos victim of its own success

The tourist trap: Galapagos victim of its own success

Biology / Ecology

created Aug 12, 2009 | popularity 5 / 5 (1) | comments 0

(PhysOrg.com) -- Mosquitoes with the potential to carry diseases lethal to many unique species of Galapagos wildlife are being regularly introduced to the islands via aircraft, according to new research published ...