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Invasive in Biological News

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

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, should they ever be introduced in the U.S. The July 2009 article in th...

Leicester research paves way for first use in Europe of an insect to fight invasive plant

Researchers at the University of Leicester have paved the way for the first ever use in Europe of an insect (biocontrol) to combat an invasive plant species in Britain. University of Leicester biologists established that the Japanese Knotweed in Britain was one the biggest females in the world-...

New, less invasive genetic test greatly improves pregnancy rates in older women with poor prognosis

Amsterdam, The Netherlands: A new test examining chromosomes in human eggs a few hours after fertilisation can identify those that are capable of forming a healthy baby, a researcher told the 25th annual conference of the European Society of Human Reproduction and Embryology today (Monday 29 June)...

Not 1, but 2 kinds of males found in the invasive round goby

Scientists have found the existence of two types of males of a fiercely invasive fish spreading through the Great Lakes, which may provide answers as to how they rapidly reproduce. The research, published in the Journal of Great Lakes Research , looks at the aggressive round goby, a bottom-dw...

Midge keeps invasive mosquito in check, aiding native mosquitoes

AUDIO: Barry Alto describes his research on the interactions of predators and prey. This is the audio for an audio slide show. Click here for more infor...

Songs raise awareness about aquatic invasive species

MADISON A new initiative at the University of Wisconsin-Madison is using music to raise public awareness about aquatic invasive species in the state. "Research shows music can influence how we respond to messages, affecting memory, emotion, attitudes, and even behavior," says Bret Shaw, assi...

North America works to halt invasive species

Economic losses and the environmental impact caused by invasive species exceed $100 billion dollars annually in the United States alone. An example of this is the zebra mussel, which has caused nearly $1 billion in damages, according to a New York Sea Grant report. In southwest Mexico, the unin...

Aussie meat ants may be invasive cane toad's Achilles' heel

Ecologists in Australia have discovered that cane toads are far more susceptible to being killed and eaten by meat ants than native frogs. Their research published in the British Ecological Society's journal Functional Ecology reveals a chink in the cane toad's armour that could help control t...

Study predicts when invasive species can travel more readily by air

A new study forecasts when climate factors such as temperature, humidity and rainfall will match at geographically distant airline departure and destination points, which could help to shuffle invasive species, and the diseases they may carry, across the globe along existing flight routes. The fin...

Holy guacamole: invasive beetle threatens Florida's avocados

A researcher at North Carolina State University is tracking the movement of the Redbay Ambrosia beetle, an invasive insect that, if it spreads to southeast Florida, may severely affect the production of avocados, a $15 million to $30 million industry in the state. First detected in the United S...

Climate change's impact on invasive plants in Western US may create restoration opportunities

Princeton, NJ January 27, 2009 A new study by researchers at Princeton University's Woodrow Wilson School of Public and International Affairs has found that global climate change may lead to the retreat of some invasive plant species in the western United States, which could create unprecedented...

Climate change opens new avenue for spread of invasive plants

GAINESVILLE, Fla. Plants that range northward because of climate change may be better at defending themselves against local enemies than native plants. So concludes a team of scientists including a University of Florida geneticist. The team's findings, reported in today's online edition of Na...

Marine invasive species advance 50 km per decade, World Conference on Marine Biodiversity told

A rapid, climate change-induced northern migration of invasive marine is one of many research results announced Tues. Nov. 11 during opening day presentations at the First World Conference on Marine Biodiversity, Ciudad de las Artes y las Ciencias, in Valencia. Investigators report that invasiv...

Marine invasive species advance 50km per decade, World Conference on Marine Biodiversity told

A rapid, climate change-induced northern migration of invasive marine is one of many research results announced Tues. Nov. 11 during opening day presentations at the First World Conference on Marine Biodiversity, Ciudad de las Artes y las Ciencias, in Valencia. Investigators report that invasiv...

Biocontrol insect exacerbates invasive weed

Biocontrol agents, such as insects, are often released outside of their native ranges to control invasive plants. But scientists in Montana have found that through complex community interactions among deer mice, native plants and seeds, the presence of an introduced fly may exacerbate the effects ...

Tiny invasive snail impacts Great Lakes, alters ecology

Long a problem in the western U.S., the New Zealand mud snail currently inhabits four of the five Great Lakes and is spreading into rivers and tributaries, according to a Penn State team of researchers. These tiny creatures out-compete native snails and insects, but are not good fish food replacem...

Woody and aquatic plants pose greatest invasive threat to China

Although China currently has fewer invasive woody plants than the United States, Chinas potential for invasion by nonnative trees and shrubs is high, according to an article in the May 2008 issue of BioScience. Authors Ewald Weber, of the University of Zurich in Switzerland, and Bo Li, of Fudan Un...

Attack of the invasive garden ants

An ant that is native to Eurasia is threatening to become the latest in a procession of species to invade Europe, as a result of inadvertent human introduction. Research published in the online open access journal BMC Biology demonstrates that the invasive garden ant, Lasius neglectus, which is a ...

Craniosynostosis minimally invasive surgery holds more promise than old procedure

COLUMBIA, Mo. Craniosynostosis, the premature fusion of the skull, is estimated to affect one out of every 2,000 babies. For the past several years, physicians have used two procedures to correct the problems. One procedure was to make an incision from ear to ear, strip back the scalp of the infa...

Scientists call for urgent research into 'real' impacts of invasive species

Invasive alien species are those that occur outside their natural range and threaten the existence of native plants and animals. They can be plants, animals or microorganisms that are introduced intentionally for economic or agricultural purposes, or accidentally, through tourism, travel or trade,...

Study links success of invasive Argentine ants to diet shifts

The ability of Argentine ants to change from carnivorous insect eaters to plant sap-loving creatures has helped these invasive social insects rapidly spread throughout coastal California, according to a new study, displacing many native insects and creating ant infestations familiar to most coasta...

Relationship between invasive plants, fire subject of new report

The relationship between fire and invasive plant species is complex, to say the least. On the one hand, fire, like other disturbances, can create conditions that promote population explosions of invasive plants, so-named because they are both nonnative and potentially harmful to the ecosystems the...

A new baseline of invasive plants in Isabela

Charles Darwin Foundation (CDF) botanists have published a list of all the introduced plants growing in Puerto Villamil, Isabela Island, the third largest town in Galapagos. 261 species were recorded, 39 of which were found growing wild. Despite 95% of the archipelago falling under the Galapago...

Book on weeds and invasive plants discusses how to manage them using ecological approaches

RIVERSIDE, Calif. As people become more globally mobile, plants can inadvertently get transported with them, resulting in new plants appearing in places not used to hosting them. Such invasions of exotic species can occur rapidly, taking over new territories at the expense of native plants. H...

Smithsonian identifies invasive crab species in Panama Canal expansion area

A Smithsonian scientist and colleague report that a potentially harmful, invasive crab species that has spread to several countries is now established and reproducing in Panama. The researchers report that Harris mud crabs are reproducing in the small, man-made lake designated to become the third ...

Smithsonian identifies invasive crab species in Panama Canal expansion area

A Smithsonian scientist and colleague report that a potentially harmful, invasive crab species that has spread to several countries is now established and reproducing in Panama. The researchers report that Harris mud crabs are reproducing in the small, man-made lake designated to become the third ...

Minimally invasive heart surgery research wins NIH award

Efforts to make open-heart surgery a minimally invasive procedure have earned a five-year, $5 million National Institutes of Health Bioengineering Research Partnership award. Professor Pierre Dupont of Boston Universitys College of Engineering, cardiac surgeon Pedro del Nido, M.D., at Childrens Ho...

New 'chemically-sensitive MRI scan' may bypass some invasive diagnostic tests in next decade

A new chemical compound which could remove the need for patients to undergo certain invasive diagnostic tests in the future has been created by scientists at Durham University. Research published in the academic journal, Chemical Communications, reveals that this new compound could be used in a...

Farmed salmon could become an invasive species in forest streams

Ever since the Norwegians expanded commercial farming of salmon in the 1960s, the industry has continued to rapidly grow worldwide. It has expanded to such a degree that prices for farmed salmon have plummeted and, there is concern that farmed fish may become the next invasive species. "Farmed f...

National Academies advisory: Invasive aquatic species in the Great Lakes

On May 7, a National Research Council committee will hold a meeting in Toronto to gather information on trade in the Great Lakes region and ways to eliminate further introductions of nonindigenous aquatic species into the lakes by vessels traveling the St. Lawrence Seaway. The committee's final rep...

Ecosystem services and invasive species

As 3,000 scientists arrive in Memphis, Tennessee for the Ecological Society of America's 91st Annual Meeting, many ecologists working in the state will be presenting the results of their research from the region. Below, a few of the highlights: Past and present declines in Hemlocks and the futu...

Mussels evolve quickly to defend against invasive crabs

Scientists at the University of New Hampshire (UNH) have found that invasive crab species may precipitate evolutionary change in blue mussels in as little as 15 years. The study, by UNH graduate student Aaren Freeman with associate professor of zoology James Byers and published in the Aug. 11 issue...

3D ultrasound device poised to advance minimally invasive surgery

Three-dimensional ultrasound probes built by researchers at Duke's Pratt School of Engineering have imaged the beating hearts of dogs. The engineers said their demonstration showed that the probes could give surgeons a better view during human endoscopic surgeries in which operations are performed ...

Minimally Invasive Cancer Treatments Highlighted

Clinicians and basic scientists from academia, private practice, government and industry are coming together for a week-long multi-disciplinary symposium in interventional oncology, a rapidly growing area of medicine involving minimally invasive interventional radiology treatments for cancer. The...

Internet viruses help ecologists control invasive species

Studying how computer viruses spread through the internet is helping ecologists to prevent invasions of non-native species. New research published today in the British Ecological Society's Journal of Applied Ecology, describes the use of network theory to predict how the spiny water flea - a native...

Undesirable expatriates: Preventing the spread of invasive animals

Reconsider relocating aquarium fish into your backyard pond. Restrain yourself from ordering exotic pets off the Internet, no matter how interesting they might look in the pictures. And vote for politicians that encourage sound port inspection. Because, according to recent Proceedings of the Nation...

Reservoirs may accelerate the spread of invasive aquatic species, researchers say

Just as disturbance makes a landscape susceptible to invasion by alien plant species, the construction of reservoirs around the globe could be contributing to the accelerating spread of exotic aquatic species, according to a Forum article in the June 2005 issue of BioScience. John A. Havel of South...

University of Toronto helps to 'barcode' the world's plants

... where a shortage of specialists hinders conservation efforts. Other applications include identifying illegal trade in endangered species, identifying invasive organisms, poisonous species and fragmentary material in forensic investigations. The technique will work on minute amounts of tissue and can be used ...

Nanodiamonds deliver insulin for wound healing

...can be suspended easily in water, an important property in biomedicine. The nanodiamonds, each being four to six nanometers in diameter, are minimally invasive to cells, biocompatible and do not cause inflammation, a serious complication. And they are very scalable and can be produced in large quantities in u...

New study ranks 'hotspots' of human impact on coastal areas

...uman activities on land, marine conservation can and needs to focus primarily on what is happening in the ocean. For example: fishing, climate change, invasive species, and commercial shipping." ...
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