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News Headlines

'Citizen army' needed to tackle invasive species, MPs suggest

A citizen army is needed to help tackle invasive species that threaten the natural environment and in some cases human health, MPs have said. The cost to the economy of non-native species taking hold in the UK is estimated to be £1.8bn a year, a report from the environmental audit committee says.

News Headlines

8 Species Driven Toward Extinction by Cats

It has been thousands of years since the first cats were domesticated, but we still don’t seem to have much control over them. Many people let their cats come and go as they please, perhaps forgetting — or not caring — that domestic cats kill billions of birds and mammals each year.

News Headlines

A Chilean archipelago rivaling the Galápagos fends off invasive species

Rich in both marine and terrestrial biodiversity, Juan Fernández Archipelago National Park (PNAJF) in Chile boasts species that live nowhere else in the world.

News Headlines

A fish called Guppy named after a Trinidadian

Did you know that the guppy (Poecilia reticulata) was named after a Trinidadian? You may be wondering, how did this happen? Well, in 1866, Trinidadian Robert John Lechmere Guppy sent specimens of the fish from TT to the Natural History Museum in London.

News Headlines

A look at how invasive plant species hinder ecosystem restoration

Restoration of most African ecosystems has been impeded by the emergence and dominance of alien plant species. This introduction of invasive plant species, whether intentional or unintentional, has threatened the ability of native flora and fauna to thrive and is also a hindrance to the progress ...

News Headlines

A pest in paradise

On what should be a pristine tropical island, humans have introduced a destructive pest. Can scientists turn back the clock?

News Headlines

A research group proposes six guidelines for managing the impacts of invasive species

Invasive alien species, defined as animals and plants that breed and disperse in a landscape beyond their native range, have negative environmental, social, and economic impacts.

News Headlines

Acid-spraying ant poses major threat to biodiversity in Queensland

An invasive species of acid-spraying ant is spreading throughout Australia, causing concern it could wipe out small native species and make homes impossible to sell.

News Headlines

Africa: Invasive Tadpoles Can Recognise Potential Predators in New Environments

Invasive species have become an increasingly big threat to indigenous ones as the spread of alien animals and plants has accelerated with the growth of global trade. Some can be very destructive, while some live in close proximity without posing any sort of threat.

News Headlines

Alien species are moving across oceans faster, accelerated by climate change

Oceans and coastlines have been subjected to human use for centuries. But the effects of human activity on the oceans are now more extensive, with the resulting changes happening more rapidly than ever before.

News Headlines

Alien species are primary cause of recent global extinctions: study

Alien species are the main driver of recent extinctions in both animals and plants, according to a new study by UCL researchers. They found that since 1500, alien species have been solely responsible for 126 extinctions, 13% of the total number studied.

News Headlines

Alien species removed, thousands of trees planted on Comino

Ambjent Malta has embarked on a habitat restoration project in Comino, which forms part of the Natura 2000 network.Environment Aaron Farrugia said that the conservation of habitats is crucial for the protection of biodiversity.

News Headlines

An invasive flatworm from Argentina, Obama nungara, found across France and Europe

One of the consequences of globalization is the inadvertent human-mediated spread of invasive species. The presence of a new invader, named Obama nungara, is reported in France by an international team led by Jean-Lou Justine of ISYEB (Muséum National d'Histoire Naturelle, Paris, France).

News Headlines

Animals we’ve lost: the 15 carp species that disappeared from a single lake

Just two species of the freshwater fish still exist in the ancient waters of Lake Lanao in the Philippines after predatory fish were accidentally introduced

News Headlines

Antarctica: the final frontier for marine biological invasions?

A new study looking at the implications of increased shipping activity and the impact on Antarctic marine biodiversity is published this week in the journal Global Change Biology.

News Headlines

Assam’s rhino habitat overtaken by invasives

On a gloomy afternoon in May 2018, conservation biologist Bibhab Talukdar was visiting Pobitora National Park in Assam. As he rode an elephant into the grasslands at the core of the park he was met with an alarming sight: a luxuriant growth of a low, bushy herb with small green leaves and creamy ...

News Headlines

Atlantic invader threatens to wipe out Croatia river delicacy

For decades, tourists have enjoyed the Neretva river eel in restaurants in southern Croatia but now another gastronomic delicacy is threatening the river delta’s biodiversity and traditional eel fishing economy.

News Headlines

Australia faces wave of native extinctions without urgent action on invasive species, CSIRO reports

Research shows introduced pest plants and animals are costing the country $25bn a year.

News Headlines

Australia’s native wildlife in grip of unprecedented attack

A new report, Fighting plagues and predators Australia’s path to a pest and weed-free future, released today, reveals the environment is facing a “sliding doors” moment, with two possible futures for Australia, depending on the decisions made today.

News Headlines

BRICS scientists could help stem the tide of invasive species

Developed countries are producing policies to reduce the flow of invasive species and control or eradicate existing invasions. But most developing countries are under-resourced to tackle either aspect without help.

News Headlines

Balancing impacts of range-shifting species: Invasives vs. biodiversity

For many years, the conservation community has embraced the idea that improving connectivity, that is, creating corridors so species can follow their preferred climate, will benefit biodiversity, says Toni Lyn Morelli at the University of Massachusetts Amherst's Climate Adaptation Science Center.

News Headlines

Biodiversity has substantially changed in one of largest and most biodiverse Mediterranean wetlands

The Camargue area in France has now a lot less grasshopper, cricket, locust, dragonfly, and amphibian species than 40 years ago. On the other hand, there are more birds and vascular plants, some of them considered as new and highly invasive species.

News Headlines

Biological changes among invasive species

A remote island in the Caribbean could offer clues as to how invasive species are able to colonise new territories and then thrive in them, a new study suggests.

News Headlines

Call for tougher measures to stop invasive species posing threat to Antarctica ecosystem

That is the conclusion of a study tracking research, fishing and tourist vessels that routinely visit the protected, otherwise isolated region.

News Headlines

Can We Identify Invasive Species before They Invade?

Scientists uncover patterns that predict which insects will harm North America’s conifers

News Headlines

Cape Town currently facing an invasion of alien wasp species – here’s why

Over the past few months, with the warmer summer temperatures, the City of Cape Town has been battling with an invasion of yellow and black insects, commonly known as the German wasp (Vespula germanica) and European Paper wasp (Polistes dominula).

News Headlines

Cape Town fights alien trees threatening its water supply, biodiversity

In South Africa’s Franschhoek mountains a helicopter drops off abseilers to cut down invasive pine trees that are choking off water supplies to millions of Cape Town residents already facing climate change-induced shortages.

News Headlines

Crab-22: how Norway's fisheries got rich – but on an invasive species

The Norwegian fishing village of Bugøynes, 310 miles north of the Arctic Circle and a frigid, dark place for much of the year, was on the edge of ruin.

News Headlines

DNA tests of UK waters could help catch invasive species early

A team of scientists from the University of Southampton, Bangor University and the National Oceanography Centre have discovered several artificially introduced species in the coastal waters of southern England, using a technique that could help the early detection of non-native species if adopte ...

News Headlines

Damage from invasive species 'trebling every decade'

Mosquitoes, rats and termites among species that have hitched ride on trade routes, causing at least $1.3tn of damage. The costs of damage caused by invasions of alien species across the world is trebling every decade, research has found.

News Headlines

Dangerous waterweed spreading in Southern Africa

A dangerous waterweed is spreading across water bodies in Southern Africa and could soon strangle life-supporting services such as fishing if it is not controlled, a scientist says.

News Headlines

Deadly Invaders: the Non-Native Species Threatening British Wildlife

A perfect storm of international trade, human carelessness and climate change are bringing new species to the UK that can out-compete native flora and fauna

News Headlines

Enormous alien fish spotted in Kerala’s rivers after the 2018 floods

Kerala researchers have found that alien fish species, arapaima and alligator gar, were caught from four rivers after the floods of 2018.

News Headlines

Environmental DNA proves the expansion of invasive crayfish habitats

Environmental DNA (eDNA) has successfully proven the presence of invasive crayfish in almost all the small streams around Lake Akan in Japan, suggesting that eDNA analysis is an efficient and highly sensitive method to assess the distribution of aquatic organisms.

News Headlines

Exotic animal trade carries risks of disease outbreak and introduction of invasive species

On March 16 this year, around ten days before Assam went to polls, routine checks were on at the checkpoint in Ghiladhari in Golaghat district of the eastern state. When the police stopped a private vehicle, they didn’t expect what they saw – macaws, silvery marmosets and golden-headed tamarin, ...

News Headlines

Exotic pet trade responsible for hundreds of invasive species around the globe

Last April, a male Burmese python led researchers at the Big Cypress National Preserve in the Florida Everglades straight to a 17-foot female that was carrying 73 developing eggs.

News Headlines

Experiment suggests the best ways to tackle invasive Oregon grape in Belgian coastal dunes

The Belgian coastal dunes, a protected habitat of high conservation value, are getting severely impacted by one of its worst enemies amongst invasive species: the Oregon grape. To help mitigate the detrimental effect of this North American shrub invader, Belgian scientists carried out an experim ...

News Headlines

Experts say Med Sea altered by Suez Canal's invasive species

As Egypt marks the 150th anniversary of the opening of the Suez Canal, marine biologists are bemoaning one of the famed waterway's lesser known legacies—the invasion of hundreds of non-native species, including toxic jellyfish and aggressive lionfish.

News Headlines

Extreme climate events may see alien species in India

A recent paper by Indian scientists from the University of Kerala in the journal ‘Biological Invasions’ has warned that extreme climate events may aid the spread of alien species in biodiversity hotspots in the country.

News Headlines

Fish decline in Lake Victoria’s ‘deadest’ corner

Adam Kidega, 45, recalls returning to the lake shore after a night fishing with his boat full of fish. In his younger years, he says: “It was always a bonanza.” Today it is a different story. One can spend long nights on the lake and return empty handed.

News Headlines

Flora at fight

As invasive species continue to thrive, the eco-community stands divided on how best to build healthy ecosystems around it. For many of us, Eucalyptus trees have always been a part of the Indian landscape. They were the primary markers of hill stations, signalling the transition from plains to h ...

News Headlines

Florida wants to stop these reptiles from becoming the next invasive species in the Everglades

Wildlife managers in Florida are finally moving to address an existential question: If the state is like an all-you-can eat buffet for invasive reptiles originally introduced as exotic pets, then why are some of those species still imported and sold by breeders and pet stores?

News Headlines

For the Mediterranean, the Suez is a wormhole bringing in alien invaders

A hidden invasion is taking place beneath the waves of the Mediterranean Sea. In recent years, scientists have recorded more than 700 alien species in Mediterranean waters, most of them entering through the Suez Canal in Egypt. More than 600 invasive species, many of them destructive, have estab ...

News Headlines

Global invasion routes of the red swamp crayfish, described based on genetics

Researchers have identified the main introduction routes of the red swamp crayfish, Procambarus clarkii, during its global-scale invasion.

News Headlines

Goldfish dumped in lakes grow to monstrous size, threatening ecosystems

Authorities in Minnesota have appealed to aquarium owners to stop releasing pet fish into waterways, after several huge goldfish were pulled from a local lake.

News Headlines

Growing plant trade may spread invasive species – but help ecosystems adapt to climate change

Plant seeds must travel far to maintain healthy ecosystems. Carried on the wind or in the fur and dung of animals, travelling seeds help cleared forest patches regrow and infuse clutches of rare species with diverse genes, making them more resistant to extinction.

News Headlines

Harm to Table: Turning an Invasive Crab into a Delicacy

On a rocky mudflat nestled between a few islands off Portsmouth, N.H., Gabriela Bradt rustles a clump of seaweed and shifts her ear toward the ground. “Hear that?” she asks. The rasps of something scuttling emerge from underneath the mound. “There’s one,” she says, pointing to the mottled browni ...

News Headlines

How Do We Prevent Pets from Becoming Exotic Invaders?

This summer a professional trapper caught an alligator in a lagoon in Chicago’s Humboldt Park, following a weeklong search that drew crowds of onlookers and captured national headlines. Dubbed “Chance the Snapper,” after a local hip-hop artist, the five-foot, three-inch reptile had likely been l ...

News Headlines

How Pablo Escobar’s ‘cocaine hippos’ became a biodiversity nightmare

Animals brought illegally to Colombia by the drug kingpin have been allowed to roam free and are now disrupting the fragile ecosystem.

News Headlines

How Switzerland is battling invasive species

Switzerland has waged war on invasive species that are causing a lack of biodiversity. The fight is starting to bear fruit, but private citizens have to lend a hand – and accept that some plants and animals simply don't belong on Swiss soil.

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