Search results for invasions
Invasions by alien plants have been mapped in Europe
Biology /
Jan 22, 2009 |
3.7 / 5 (3) |
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Biological invasions are one of the major threats to biodiversity and in many cases they have considerable impact on economy and human health. For their effective management it is important to understand which areas and ecosystems ...
11,000 alien species invade Europe
Biology /
Nov 20, 2008 |
5 / 5 (3) |
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For the first time it is now possible to get a comprehensive overview of which alien species are present in Europe, their impacts and consequences for the environment and society. More than 11,000 alien species have been ...
Freshwater Fish Invasions the Result of Human Activity
Biology /
Feb 05, 2008 |
2.3 / 5 (3) |
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Globally, invasive species represent a major threat to native species. A new paper published this week in the open-access journal PLoS Biology shows that, for rivers and lakes, where these invasions occur ...
Invasive species can produce 'hotspots of evolutionary novelty,' study shows
Biology /
Mar 10, 2008 |
4.3 / 5 (3) |
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When exotic species invade new territory, they often present a major threat to the other plants and animals living there—that much is clear. But researchers writing in the March 11th issue of Current Biology, a publication ...
Biological invasions can begin with just 1 insect
Biology /
Sep 12, 2007 |
3.5 / 5 (4) |
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A new study by York University biologists Amro Zayed and Laurence Packer has shown that a lone insect can initiate a biological invasion.
Study: Argentine ants dependent on water
Mar 31, 2006 |
3.9 / 5 (8) |
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A University of California-San Diego study has shown water to be mainly responsible for Argentine ant invasions.
China's economic boom sparks biological invasions
Biology /
Apr 01, 2008 |
3.3 / 5 (3) |
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The rapid growth of China’s industrial and transportation infrastructure is helping to establish non-native species throughout that country and “setting the stage for potentially rampant environmental damage,” according to ...
Different strategies underlie the ecology of microbial invasions
Biology /
Oct 23, 2006 |
4 / 5 (4) |
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Infectious disease can play a key role in mediating the outcome of competition between rival groups, as seen in the effects of disease-bearing conquistadors in the New World--or, on a much smaller ecological scale, the ability ...
Woody and aquatic plants pose greatest invasive threat to China
Biology /
May 01, 2008 |
4.7 / 5 (3) |
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.
Black rat does not bother Mediterranean seabirds
Oct 02, 2009 |
not rated yet |
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Human activities have meant invasive species have been able to populate parts of the world to which they are not native and alter biodiversity there over thousands of years. Now, an international team of scientists ...
Biological invasions increasing due to freshwater impoundments
Biology /
Sep 02, 2008 |
5 / 5 (2) |
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The growing number of dams and other impoundments is increasing the number of invasive species and the speed at which they spread, putting natural lakes at risk, says a study led by the University of Colorado ...
Gene neighbors may have taken turns battling retroviruses
Dec 21, 2007 |
5 / 5 (1) |
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A cluster of antiviral genes in humans has likely battled retroviral invasions for millions of years. New research by Sara Sawyer, Ph.D., a postdoctoral research fellow in the Basic Sciences Division at Fred Hutchinson Cancer ...
When the butterfly bush blossoms
Biology /
May 27, 2008 |
4.5 / 5 (2) |
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Invasive plant species can flourish better in their new homes than in their place of origin. The reasons for this can be genetic changes or the lack of herbivores such as insects that first have to adapt to ...
Scientists discover environmental factors linked to sex ratio of plants
Biology /
Jul 22, 2008 |
5 / 5 (2) |
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Environmental factors can transform the ratio of females to males in plant populations according to new research out of the University of Toronto.
Invasive Parasite Spreading Among West Coast Estuaries
Feb 26, 2009 |
5 / 5 (3) |
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(PhysOrg.com) -- A parasitic isopod that scientists identified five years ago has all but decimated mud shrimp populations in coastal estuaries ranging from British Columbia to northern California - with the ...
