Latest Invasive species Stories
American bullfrogs are native to eastern North America but have been transported by people to many other parts of the globe, and other parts of North America, where they have readily established populations and become an invasive alien menace to native ecosystems.
Two years after the earthquake and tsunami that devastated Japan, researchers in the US and Canada are concerned about the possible damage that could be caused by invasive species that have found their way to North America on debris resulting from the 2011 disaster.
In order to build and maintain cells, DNA is copied into ribonucleic acid (RNA) molecules, also called transcripts.
A new study highlights the importance of plant biodiversity in protecting natural ecosystems against the perils of ecosystem breakdown.
Dr Michael Pogue, a Research Entomologist in the ARS Systematic Entomology Laboratory, at the Smithsonian Institution, Washington, DC, was sent a series of moth specimens from Bahia, Brazil, for identification. The insects were under consideration as a possible biocontrol agent for the invasive Brazilian peppertree in Florida.
In Missouri forests, dense thickets of invasive honeysuckle decrease the light available to other plants, hog the attention of pollinators, and offer nutrient-stingy berries to migrating birds. They even release toxins to make it less likely native plants will germinate near them.
Ecologists at the University of Toronto and the Swiss Federal Institute of Technology Zurich (ETH Zurich) have found that, given time, invading exotic plants will likely eliminate native plants growing in the wild despite recent reports to the contrary.
An international team of scientists has revealed that an invasive grass species may be one reason that fires are bigger and more frequent in certain regions of the western U.S.
The Pacific Oyster (Crassostrea gigas), is the native oyster of the Pacific coast of Korea, Japan and China. It has been introduced to North America, especially in Puget Sound, Washington, and to the Australian states of Tasmania and South Australia. It is an important commercial harvest in all of these places, as well as New Zealand where the Pacific oyster has replaced the native rock oyster, Crassostrea glomerata, as the main commercial species. The Pacific oyster is an invasive species...
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