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Tag: "exotic" at biology news

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

...ould be contributing to the accelerating spread of exotic aquatic species, according to a Forum article in t... reservoirs make them more likely to be invaded by exotic species than natural lakes. The researchers point to cases in which reservoirs are believed to have ...

Undesirable expatriates: Preventing the spread of invasive animals

...our backyard pond. Restrain yourself from ordering exotic pets off the Internet, no matter how interesting t...de increases, precautions like port inspection and exotic wildlife regulations are essential. Consumers also need to be educated; many exotic animals that are...

Stealth Worms May Improve Insect Pest Control

...l be used. "It's better to use native rather than exotic nematodes to preserve biodiversity," Stock says. It's possible that similar species of nematodes can be used singly or together in reducing pest insect populations. Once the right nematodes are identified, they can be suspended in a gelatinous matri...

Alien woodwasp, threat to US pine trees, found in N.Y.

...Pest Survey (CAPS) program, in search of any of 10 exotic species of bark beetles, when he stumbled across t...use, Hoebeke says, "The potential damage from this exotic woodwasp could be monumental." Since 1985 U.S. Department of Agriculture Animal and Plant Health In...

Seaweed could make junk food healthier

...could be made healthier by adding an extract of an exotic type of seaweed, say British scientists. The highly-fibrous seaweed extract, alginate, could be used to increase the fibre content of cakes, burgers and other types of food which usually contain large amounts of fat and a low degree of healthy nutr...

Ships bring alien jellyfish invaders to our shores

...ironments around the world are being threatened by exotic species of the moon jellyfish being dispersed by i...last water, on ship hulls and through the trade of exotic species such as tropical fish and this has potential to displace local marine species, threaten ecos...

Controlling wildlife trade key to preventing health crises, study says

...mals and native species that have no resistance to exotic diseases. Dr. Robert Cook, Vice President of Health Sciences at WCS said, "A fungal disease called chytridiomycosis, a pathogen that has been spread by the international trade in African clawed frogs, is now threatening some 30 percent of all of the...

Hurricane aftermath: Infectious disease threats from common, not exotic, diseases

...me from milder, more common infections rather than exotic diseases. These common infections can often be prevented using simple hygiene measures and a little common sense. "Deadly diseases, such as typhoid or cholera, are unlikely to break out after hurricanes and floods in areas where these diseases do no...

Lethal needle blight epidemic may be related to climate change

...but although it is considered a serious disease of exotic plantations in the Southern Hemisphere, it has until now been considered a minor threat to northern temperate forests. Lodgepole pines are an economically important species, being used in construction and for pulp. Alex Woods and his colleagues at t...

Seaweed yields new compounds with pharmaceutical potential

... evolved the ability to synthesize such unique and exotic structures compared to other molecules typically produced by seaweeds." The source of these new molecular structures is a red seaweed (Callophycus serratus) collected from four Fijian sites. Among the sites, researchers found variations in the molec...

New study pinpoints epicenters of Earth's imminent extinctions

...aced bats, cloud rats, golden moles, poison frogs, exotic parrots and hummingbirds, a hamster and a dormouse, a penguin, crocodiles, iguanas, monkeys, and a rhinoceros. Among the most intriguingly-named are: the Bloody Bay poison frog, the volcano rabbit, the Ruo River screeching frog, the Bramble Cay mosai...

Pretreating rogue cancer cells with aspirin cripples their resistance to targeted therapy

...aced bats, cloud rats, golden moles, poison frogs, exotic parrots and hummingbirds, a hamster and a dormouse, a penguin, crocodiles, iguanas, monkeys, and a rhinoceros. Among the most intriguingly-named are: the Bloody Bay poison frog, the volcano rabbit, the Ruo River screeching frog, the Bramble Cay mosai...

Engineers discover why toucan beaks are models of lightweight strength

...erald Forest Bird Gardens, a California breeder of exotic birds, provided beaks from toucans that had died from natural causes to Meyers's team. They analyzed the beaks' density, stiffness, hardness, and response to compression and stretching. They also examined the beaks with a scanning electron microscope...

Exotic crab poised for widespread UK invasion

An exotic type of crab is spreading at an alarming rate throughout Britain's coast and rivers, a new study suggests. The Chinese mitten crab, brought to Britain during the last century in ships' ballast water, could cause devastating environmental problems i...

Scientists discover dozens of new species in 'Lost World' of western New Guinea

... The team captured the first photos ever seen of exotic birds such as a male Berlepsch's Six-Wired Bird of Paradise (Parotia berlepschi). It also found a new large mammal for Indonesia ?the Golden-mantled Tree Kangaroo (Dendrolagus pulcherrimus), formerly known from only a single mountain in neighboring P...

Invasive exotic plants helped by natural enemies

...lthough conventional wisdom suggests that invasive exotic plants thrive because they escape the natural enem...eral scientific organization. Each year, invasive exotic species cause an estimated $120 billion in damage in the United States, not to mention the untold am...

Illegal trade is propelling rare turtle toward extinction, new report

... decline in wildlife worldwide. "Collectors and exotic pet enthusiasts need to make sure that the specime...t poachers and educating enforcement officials and exotic pet dealers in the U.S., Japan and other countries where the turtles are still in high demand. "...

MIT researchers build tiny batteries with viruses

...ain of a common virus, making the microbes collect exotic materials - cobalt oxide and gold. And because the...control is needed so just the right amounts of the exotic materials end up exactly where they belong. Cobalt oxide "has shown excellent electrochemical cyclin...

Study shows hope for ridding lakes of clawed invader

The rusty crayfish - a voracious, bullying exotic that has visited ecological havoc on numerous Wisc...ial purposes also contributed to the spread of the exotic species to 50 percent of Wisconsin lakes and streams. The practical upshot of the experiment and t...

It's all in the genes

...nt weed growth could pass that resistance along to exotic plants, which then might take over a community and change the evolution of that ecosystem. More than 50 researchers from the United States, Canada and Australia are studying this genetic driver of community structure and ecosystem evolution. The wor...

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