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  • Invasive Alien Species (150)

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News Headlines
#122804
2019-10-30

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
#122752
2019-10-25

'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
#122754
2019-10-25

Scientists call for improved approach to biodiversity targets on invasive species

A Monash-led international commentary on the harm caused by biological invasions has urged policy makers to develop conversation targets in a unified framework informed by new data integration methods developed in the last decade.

News Headlines
#122548
2019-10-07

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
#122264
2019-09-18

Invasive Species Drive Erosion in Aquatic Environments

The daily activities of mammals, reptiles, crustaceans, and fish influence the physical environment, with invasive burrowing species causing particular disruption in aquatic environments.

News Headlines
#122267
2019-09-18

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
#122013
2019-08-27

Invasive Pacific pink salmon found in Scottish rivers

Anglers have reported finding a non-native species of fish back in rivers in parts of Scotland.

News Headlines
#121979
2019-08-21

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
#121936
2019-08-19

Invasive fish, snakes tracked with high-tech databases, maps, DNA

DENVER, Aug. 19 (UPI) -- Fish scientists on the hunt for non-native species are using an array of sophisticated techniques, including high-tech databases, storm maps and DNA samples to track destructive newcomers to U.S. waterways.

News Headlines
#121924
2019-08-16

Monkey problem: St Kitts' great attraction becomes great headache

Browse tourist snaps of St Kitts and some of the most photographed faces have olive-brown tresses and piercing hazel eyes which peer inquisitively from trees, private gardens and beach bars alike.

News Headlines
#121926
2019-08-16

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
#121874
2019-08-13

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
#121822
2019-08-07

OPINION: Harmful invasive species are on the move, we need a global alliance to stop them

There has been a baffling absence of an international alliance to track and respond to the movement of invasive species

News Headlines
#121799
2019-08-06

New study aims to help protect the world's trees and forests from harmful pests and diseases

CABI's expert scientists in the field of ecosystems management and invasion ecology have presented new guidance on ways to help protect the world's trees and forests from harmful pests and diseases such as the box tree moth and ash dieback.

News Headlines
#121790
2019-08-02

Repairing harmful effects of inbreeding could save the iconic Helmeted Honeyeater

A new study combines over 30 years of demanding fieldwork and advanced genetics to quantify how much harm is done by inbreeding in the last wild population of the helmeted honeyeater, and identifies ways forward.

News Headlines
#121759
2019-07-31

Uncertain Future For Wildlife And Native Plant Species At Lake Nakuru National Park As Invasive Plant Species Wipe Out Grasslands And Strangle Natural Fauna

Thousands of herbivores at the Lake Nakuru National Park are staring at uncertain future as alien plant species continue to swamp pastureland at one of the country’s most visited wildlife sanctuaries.

News Headlines
#121744
2019-07-30

Spanish slugs: Moscow alarm over giant invasive pests

Giant orange slugs up to 15cm (6in) long are causing alarm in central Moscow - the latest place they have turned up since spreading from Spain.

News Headlines
#121721
2019-07-29

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
#121626
2019-07-18

World’s most invasive mosquito nearly eradicated from two islands in China

Researchers combined sterilization with a bacterium in an attempt to stamp out the Asian tiger mosquito.

News Headlines
#121584
2019-07-15

Invasive parrots have varying impacts on European biodiversity, citizens and economy

Non-native parrots can cause substantial agricultural damage and threaten native biodiversity.

News Headlines
#121311
2019-06-14

Predator-free by 2050? High-tech hopes for New Zealand’s big conservation dream

When the British explorer James Cook circumnavigated the islands that he would later call New Zealand in 1769, he described the birdsong on the densely forested archipelago as “deafening.”

News Headlines
#121318
2019-06-14

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
#121198
2019-05-24

Invading earthworms could turn boreal forests from carbon sponge into carbon polluter

Cindy Shaw, a carbon-research scientist with the Canadian Forest Service, studies the boreal forest — the world’s most northerly forest, which circles the top of the globe like a ring of hair around a balding head.

News Headlines
#121144
2019-05-22

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.

News Headlines
#121088
2019-05-16

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
#121055
2019-05-14

Invasion of the stink bugs: how a tiny insect roils global communities

A stinky bug eating its way through the economy of an agricultural region in Eastern Europe stands as a stark example of how climate change creates opportunities for pests and havoc for farmers.

News Headlines
#121033
2019-05-13

Wild pigs invade Canadian provinces—an emerging crisis for agriculture and the environment

Wild pigs—a mix of wild boar and domestic swine—are spreading rapidly across Canada, threatening native species such as nesting birds, deer, agricultural crops, and farm livestock, research by the University of Saskatchewan (USask) shows.

News Headlines
#121014
2019-05-10

Invasive species are Australia's number-one extinction threat

This week many people across the world stopped and stared as extreme headlines announced that one eighth of the world's species – more than a million – are threatened with extinction.

News Headlines
#120873
2019-04-29

Scientists seek genetic answer to predatory nature of invasive lionfish

The lionfish is an invasive species that is currently wreaking havoc in the warm waters of the Bahamas, the Caribbean, and the US southwestern Atlantic and Gulf of Mexico coasts

News Headlines
#120828
2019-04-24

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
#120808
2019-04-17

Les espèces invasives au secours de la biodiversité à Hawaï

Dans l’archipel du Pacifique, l’essentiel des oiseaux autochtones a disparu. Ce sont désormais les nouvelles espèces introduites qui dispersent les plantes, tant bien que mal.

News Headlines
#120704
2019-04-09

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
#120553
2019-03-28

The waters of the Galapagos Islands are being invaded by alien species

The waters around the Galapagos Islands, a hotspot of biodiversity off the coast of Ecuador, have been invaded by more alien species than previously thought. While the number of invasive species on land across the World Heritage Site are well-documented, relatively little was known about those i ...

News Headlines
#120519
2019-03-26

‘It devours everything’: the crab that hitched a ride to Spain

Voracious and almost without predators, the blue crab was first sighted in the Ebro Delta on Spain’s Mediterranean coast in 2012, and since then the population has expanded exponentially, wiping out native species and forcing the fishing industry to adapt and find new markets.

News Headlines
#120472
2019-03-25

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
#120403
2019-03-18

Invasive plants a fast-growing threat to India’s rhinos

On a gloomy afternoon in May 2018, conservation biologist Bibhab Talukdar was visiting Pobitora National Park in India’s Assam state.

News Headlines
#120252
2019-03-07

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
#120193
2019-03-04

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
#120070
2019-02-22

Invasive termite species wreaks havoc in Tenerife

The insect, which thrives on the Canary Island’s high temperatures has spread to three municipalities, including San Cristóbal de La Laguna, which is a World Heritage Site

News Headlines
#120047
2019-02-21

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
#120055
2019-02-21

The 10 worst pests threatening Aussie species

New research by the Threatened Species Recovery Hub has shown that invasive or pest species are a problem for 1257 threatened species in Australia, or about four out of five species.

News Headlines
#120035
2019-02-20

Iconic Australian national park "decimated" by invasive toads: expert

CANBERRA, Feb. 20 (Xinhua) -- Biodiversity in Australia's iconic Kakadu National Park has been "decimated" by invasive cane toads, a leading expert has warned.

News Headlines
#119962
2019-02-15

Plastic bringing waves of alien crabs and fish to shores around the world, scientists warn

Hundreds of alien species are being carried around the world on a tide of ocean plastic, posing a significant threat to native wildlife.Crabs, clams and even large fish are among the creatures hitching a ride on top of or inside plastic vessels, crossing vast stretches of ocean.

News Headlines
#119841
2019-02-07

Researchers map ferocious speed and likely cause of woody weed spread across Ethiopia

CABI scientists have helped map the ferocious speed and probable cause of a devastating spread of the invasive alien tree Prosopis juliflora (Swartz DC) across an area equivalent to half of neighbouring Djibouti in the Afar Region of north eastern Ethiopia.

News Headlines
#119692
2019-01-31

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
#119360
2019-01-14

Panel formed to suggest ways to weed out invasive species

Expressing serious concern over exotic invasive species having stifled the growth of native shola forests and grasslands on the Western Ghats, the Madras High Court on Friday constituted an expert committee to suggest ways and means to remove the alien species and rehabilitate the forests.

News Headlines
#119120
2018-12-19

When 'alien' insects attack Antarctica

Of the known alien (non-native) species found in Antarctica, a non-biting species of midge currently presents one of the highest risks to terrestrial ecosystems, researchers have found.

News Headlines
#119037
2018-12-14

Scientists identify 66 alien species that pose greatest threat to European biodiversity

Scientists have identified 66 alien plant and animal species, not yet established in the European Union, that pose the greatest potential threat to biodiversity and ecosystems in the region.

News Headlines
#119003
2018-12-12

Scientists identify 66 alien species that pose greatest threat to European biodiversity

Scientists have identified 66 alien plant and animal species, not yet established in the European Union, that pose the greatest potential threat to biodiversity and ecosystems in the region.

News Headlines
#118824
2018-11-07

How we wiped out the invasive African big-headed ant from Lord Howe Island

The invasive African big-headed ant (Pheidole megacephala) was found on Lord Howe Island in 2003 following complaints from residents about large numbers of ants in buildings.

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  • United Nations Environment Programme