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Latest Invasive species Stories

2012-02-20 12:39:14

The problem of invasive species may seem remote from most people's lives. But in some parts of the United Kingdom, an invasive plant creates a problem that hits home, literally. That's because the presence of invasive knotweed on a property prevents potential buyers from obtaining a mortgage. This destructive plant from Asia, which can tear down walls and rip up roads, is also putting down roots in many parts of Canada. Research by Judith Myers, an ecology professor emerita at the...

Classic Model For Ecological Stability Revised
2012-02-20 04:32:08

Predator-prey relationships stabilize diverse ecosystems, according to calculation A famous mathematical formula which shook the world of ecology 40 years ago has been revisited and refined by two University of Chicago researchers in the current issue of Nature. In 1972, physicist Robert May rankled ecologists by publishing a simple model describing the relationship between diversity and stability in a theoretical ecosystem. Though ecologists had long believed that richer, more diverse...

2012-02-10 11:36:21

How to catch a killer weed Invasive species which have the potential to destroy biodiversity and influence global change could be tracked and controlled in the same way as wanted criminals, according to new research from Queen Mary, University of London. Geographic profiling (GP) was originally developed as a statistical tool in criminology, where it uses the locations of linked crimes (for example murder, rape or arson) to identify the predicted location of the offender's residence....

Alien Ladybug In Europe Dropping Native Species Population
2012-02-07 12:24:40

An alien predator in Europe is leading to a rapid decline of a native ladybugs in Britain, Belgium and Switzerland. Scientists have found that Harlequin ladybugs are overwhelming native ladybugs through predation and competition. The native ladybug, most known for the 2-spots on its back, have declined by 30 percent in Belgium and 44 percent in Britain over the past five years after the Harlequin species arrived in 2001. "This study provides strong evidence of a link between the...

2012-01-19 13:08:50

A comprehensive multi-disciplinary synthesis just published in Environmental Reviews reveals the urgent need for further investigation and policy development to address significant environmental, social and economic impacts of invasive alien species (IAS) and climate change. "Effects of climate change on the distribution of invasive alien species in Canada: a knowledge synthesis of range change prediction in a warming world" is the collaborative effort of a team of dedicated researchers at...

2012-01-05 11:04:45

A recent analysis led by ecologist Bethany Bradley at the University of Massachusetts Amherst suggests that climate change predicted for the United States will boost demand for imported drought- and heat-tolerant landscaping plants from Africa and the Middle East. This greatly increases the risk that a new wave of invasives will overrun native ecosystems in the way kudzu, Oriental bittersweet and purple loosestrife have in the past, members of the international team say. The kudzu invasion...

Invading Species Threaten Texas Gulf Coast
2011-12-29 05:52:05

The Asian Tiger Prawn, an invasive species in the Gulf of Mexico that can grow nearly a foot long and threatens native wild stocks, has been found on the Texas coast. The tiger prawns, native to the western Pacific, have been spreading along the Gulf Coast since 2006 and their numbers have increased this year. Shrimpers pulled the first one from Texas waters in June. So far shrimpers harvested three in Aransas Bay, one from Sabine Lake at the Louisiana Border and one from open waters about...

2011-11-16 09:50:42

In an irony of nature, invasive species can become essential to the very ecosystems threatened by their presence, according to a recent discovery that could change how scientists and governments approach the restoration of natural spaces. Princeton University researchers report this month in the journal Proceedings of the Royal Society B evidence that destructive, non-native animals that have been deservedly maligned by conservationists the world over can take on important biological roles...


Latest Invasive species Reference Libraries

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2008-04-30 23:09:30

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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Word of the Day
endocarp
  • The hard inner (usually woody) layer of the pericarp of some fruits (as peaches or plums or cherries or olives) that contains the seed.
This word comes from the Greek 'endon,' in, within, plus the Greek 'kardia,' heart.
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