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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.
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.
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.
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.
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.
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.
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.
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.
CANBERRA, Feb. 20 (Xinhua) -- Biodiversity in Australia's iconic Kakadu National Park has been "decimated" by invasive cane toads, a leading expert has warned.
On what should be a pristine tropical island, humans have introduced a destructive pest. Can scientists turn back the clock?
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.
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
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.
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.
On a gloomy afternoon in May 2018, conservation biologist Bibhab Talukdar was visiting Pobitora National Park in India’s Assam state.
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 ...
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.
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 ...
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.
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.
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.
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
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.
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.
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.
Researchers have identified the main introduction routes of the red swamp crayfish, Procambarus clarkii, during its global-scale invasion.
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.
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.
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.”
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.
Non-native parrots can cause substantial agricultural damage and threaten native biodiversity.
Researchers combined sterilization with a bacterium in an attempt to stamp out the Asian tiger mosquito.
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
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.
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.
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.
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.
There has been a baffling absence of an international alliance to track and respond to the movement of invasive species
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 ...
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.
Kerala researchers have found that alien fish species, arapaima and alligator gar, were caught from four rivers after the floods of 2018.
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.
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.
Anglers have reported finding a non-native species of fish back in rivers in parts of Scotland.
The daily activities of mammals, reptiles, crustaceans, and fish influence the physical environment, with invasive burrowing species causing particular disruption in aquatic 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.
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 ...
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.
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.
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 ...