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News Headlines

Tackling Ireland’s alien invaders

The Japanese knotweed, rhododendron and giant hogweed are fast becoming household names as these pests continue to invade Irish landscapes. These ill-famed plants are just some of many invasive species causing destruction to Ireland’s ecosystems.

News Headlines

Patagonia may lose its only native bumblebee due to alien bee invasion

Patagonia's giant bumblebee is now considered endangered due to invasions of alien bee species, according to a new study.Marcelo Aizen, from the Universidad Nacional del Comahue, Argentina, and colleagues from four other countries draw attention to the severe conservation, economic and political ...

News Headlines

African countries urged to harmonize laws on invasive species

African governments should harmonize their laws to safeguard countries from the invasive species, an expert said on Tuesday. Martha Byanyima, expert on Sanitary and Phytosanitary (SPS) at the Common Market for Eastern and Southern Africa (COMESA), said many countries have experienced devastating ...

News Headlines

Management Of Invasive Plants Could Prevent Spread Of Deadly Malaria, Scientists Suggest

CABI scientists have joined an international team of experts who suggest that the large-scale management of a range of some invasive plants could hold the key to reducing the spread of deadly malaria.

News Headlines

The number of invasive species will only rise — up to 16% of species have invasion potential

Invasive alien species are one of the largest threats to biodiversity. They can become predators, competitors, parasites, hybridizers, and spread diseases, wiping out native species. Examples of notorious invaders are the brown tree snakes that ate away almost all of the birds on the island of G ...

News Headlines

Alien honeybees could cause plant extinction

New research indicates that introduced 'alien' honeybees are competing for resources with native bees and threatening the survival of plants that rely on interactions with specific pollinators.

News Headlines

Sugar glider couple escape conviction

The maximum penalty for importing a live animal without a licence is $500 or six months in jail, while importing an alien species carries a top penalty of a whopping $500,000 fine or four years in jail, which the magistrate said reflected the serious regard legislators have for the threat from i ...

News Headlines

Emerging aliens threaten New Zealand’s environment

Professor Hulme was part of a large international collaboration of scientists that analysed 46,000 recorded sightings of invasive animal and plant species around the world. Their research showed that one in every four new pest incursions were from species that had never before been recorded as b ...

News Headlines

Foreign’ species invasions rising globally: study

Up to 16 percent of all species on Earth could qualify as potential ‘foreign’ species. The number of newly emerging alien species continues to rise, posing a significant challenge to biosecurity interventions worldwide, according to a study. Alien species are those that do not belong to a region ...

News Headlines

New global registry of invasive species is 'milestone' in protecting biodiversity

A world registry of invasive species has been launched amid concerns that governments are not doing enough to tackle the rising threat of globalisation to biodiversity.

News Headlines

A race against pine: Wood-boring wasp in North America threatened by a Eurasian invader

Invasive species have diverse impacts in different locations, including biodiversity loss, as a result of native species being outcompeted for similar resources. A U.S. research team, led by Dr. Ann Hajek, Cornell University, studied the case of an aggressive Eurasian woodwasp that has recently ...

News Headlines

Opinion: Invasive species — the hidden threat to sustainable development

In laying out the Sustainable Development Goals, the international community set itself an ambitious set of targets to achieve by the end of the next decade. But the challenge of realizing the 17 SDGs means that development organizations often only focus on supporting the operationalizing of a p ...

News Headlines

Invasive worms spreading in Arboretum forests, limited effects so far

When researchers found invasive Asian jumping worms at the University of Wisconsin–Madison Arboretum in 2013, they spotted an opportunity to follow the invaders, and their effects, from the beginning.In a recent report, UW–Madison ecologists found that the exotic earthworm species are rapidly di ...

News Headlines

How invasive weeds can make wildfires hotter and more frequent

Over the past year the global media has been full of reports of catastrophic fires in California, the Mediterranean, Chile and elsewhere. One suggested reason for increases in catastrophic wildfires has been human-induced climate change. Higher temperatures, drier weather and windier conditions ...

News Headlines

Zoological Survey of India compiles a list of 157 alien invasive species for the first time!

These invasive animal species pose a threat to the biodiversity of the area and human welfare and safety, also harming the agriculture and biodiversity.

News Headlines

Time key to saving fynbos from pine invaders

For thirty years‚ they lie there beneath the soil‚ waiting for the aliens to leave. But if it takes any longer than that for the aliens to disappear‚ they will soon die and be lost forever. It may sound like the premise for a Stephen King novel‚ but it's actually about one of the Western Cape's ...

News Headlines

The rise of invasive species denialism

Recently, dozens of opinion articles have appeared in the media—and even in scientific journals—that deny the risks that invasive species pose to the environment. These arguments claim that the field of invasion biology is biased and unscientific.

News Headlines

World’s most invasive alien flat worm surfaces near Bangkok’s eastern outskirt

One of the world’s list of 100 worst invasive alien species known as the New Guinea flatworm, or scientifically called Platydemus manokwari, has been found on the soil of Lamlukka district of Pathumthani, in Bangkok’s eastern outskirt.

News Headlines

How far do invasive species travel?

Around the globe, an increasing number of plant and animal species are introduced into new regions through human activity. However, the global patterns of their distribution are only poorly understood to date. Researchers at the Senckenberg and at the universities of Oldenburg and Vienna have no ...

News Headlines

A prioritised list of invasive alien species threatening the UK's environment

More species urgently need to be considered for inclusion on the EU's 'List of Invasive Alien Species of Union Concern', stresses a new study published on 3 October 2017 in the Journal of Applied Ecology.

News Headlines

Red crayfish invasion in Malta ‘spreading like hell’, biologist warns

The release of red crayfish in the Maltese wild is wreaking havoc, a biologist has warned, as scientific opinion prepares to declare an ‘invasion’ in a bid to guide environmental authorities on the problem.

News Headlines

U.S. states target invasive mute swans

Citing threats to native wildlife, plants and unwary humans, six states now have swan-removal policies that range from egg-shaking to shooting.

News Headlines

Great Lakes Defenders Have a Shocking Idea to Stave Off Invasive Carp

Since the 1970s invasive Asian carp have steadily migrated north into the U.S. Midwest, infesting the watersheds of the Mississippi, Missouri and Illinois rivers. The voracious bottom-feeders can strip entire river ecosystems of zooplankton, the basic food of native fish species—and now they see ...

News Headlines

Jamaica taking action against invasive alien species

KINGSTON, Jamaica (JIS) — Chief Technical Director in the Ministry of Economic Growth and Job Creation, Lieutenant Colonel Oral Khan, says Jamaica is taking action to protect the country's biodiversity against the threat of invasive alien species.

News Headlines

South Africa: Invasive Plants Have a Much Bigger Impact Than We Imagine

Most people would agree that invasive plants are unwanted. Invasive plants are plants that are intentionally or accidentally introduced by humans into areas outside of their natural habitat. These species can spread rapidly with negative consequences for native species.

News Headlines

Invasive plants have a much bigger impact than we imagine

Most people would agree that invasive plants are unwanted. Invasive plants are plants that are intentionally or accidentally introduced by humans into areas outside of their natural habitat. These species can spread rapidly with negative consequences for native species.

News Headlines

Snapping-turtle expert in Chiba leads battle against invasive species

Takeshi Imazu’s daily tasks are far from what a typical prefectural official handles.For more than half of the week, he goes out to the Inbanuma marsh of Chiba Prefecture either to capture or study snapping turtles, a freshwater species that threatens local biodiversity.

News Headlines

Day of reckoning for marine invaders

For centuries, marine species have moved around either by hitching ride on the hulls of ships or as stowaways in ballast water. In many instances, species have been deliberately introduced for aquaculture or other commercial purposes.

News Headlines

Sea urchins—from pest to plate

It is one of the most valued seafood products and destroys kelp forests worth millions of NOK. Can sea urchin harvest be profitable? This is the subject of a project led by the Norwegian Institute of Water Research (NIVA). The project is part of a research program at The Fram Centre in Tromsø.

News Headlines

Scientists develop ranking system to scale the impact of alien species

A transparent ranking system for measuring the socio-economic impact of plants and animals that are introduced by humans to areas where they do not naturally occur (termed "aliens") has been developed by an international team of scientists, from UCL, Université de Fribourg and Stellenbosch Unive ...

News Headlines

Shale gas development spurring spread of invasive plants in Pa. forests

Vast swaths of Pennsylvania forests were clear-cut circa 1900 and regrowth has largely been from local native plant communities, but a team of researchers in Penn State's College of Agricultural Sciences has found that invasive, non-native plants are making significant inroads with unconventiona ...

News Headlines

Sumitomo Chemical to offer Esteem fire ant agent in Japan

Sumitomo Chemical Co. said Thursday it will provide the central and local governments in Japan with a pest control agent it sells in the United States to get rid of venomous fire ants.

News Headlines

Eradicating invasive species is essential for island conservation

Invasive alien species have been discussed at length for the first time in the northern hemisphere in a conference bringing together world experts in the field.

News Headlines

Japanese seaweed is welcome invader on US coasts: study

Miami (AFP) - A kind of Japanese seaweed that is considered an invasive species in the United States is actually serving an important role in restoring barren and vulnerable coastlines, US researchers said Monday. In many lagoons and estuaries of the North Atlantic, native seagrasses and oyster ...

News Headlines

South Africa Should Sort Out the Bad From the Really Bad On Its Invasive Species List

Alien species have been introduced to Africa for a variety of reasons. They provide food, raw materials for industry, ornamental plants, recreation in the form of sport fishing, hunting and pets. Some that are highly valued have been moved around widely. And in some areas they now form prominent ...

News Headlines

Waterbirds threatened by invasive carp

The presence of the carp, a freshwater invasive species spread worldwide, is alarmingly reducing the populations of diving ducks and waterbirds, according to a study published in the journal Biological Conservation by Alberto Maceda Veiga from the University of Barcelona and Raquel López and And ...

News Headlines

Strengthened checks needed to keep fire ants from slipping through cracks

To prevent fire ants from breeding in Japan, it is vital that surveillance be stepped up at border entry points such as airports and ports, and that any ants found be thoroughly exterminated.

News Headlines

Alien crayfish found in Chadwick Lakes, research group laments of consequences

The University-based Conservation Biology Research Group has confirmed the presence of the an invasive alien fresh water species, the red swamp crayfish, at Chadwick Lakes, while warning of the implication it has for biodiversity.

News Headlines

Emerald ash borer risks infesting trees on Mount Royal, Projet Montréal charges

A green oasis in the city of Montreal is at risk of being ravaged by an invasive species and decimating thousands of trees, the city's official opposition said Wednesday.

News Headlines

Biodiversity and Human Health Benefit from Invasive Species Removal

Invasive species removal could reduce, and in some cases potentially eliminate diseases affecting human communities on islands.

News Headlines

Hawaii is a hotspot for alien species

Sorry, not those aliens.A new study published in Nature Ecology & Evolution points to the Hawaiian Islands as a global hotspot for "established alien species," or invasive breeds of plants, animals, and insects. So although when we picture the Big Island we may conjure its iconic giant sea turtl ...

News Headlines

Invasive plants hurt wildlife, ecosystem

A new research shows that invasive alien plant species introduced as ornamental plants at tourism facilities are spreading rapidly throughout the Serengeti-Mara ecosystem, posing a major threat to plant and animal species. Scientists from the Centre of Agriculture and Bioscience International, C ...

News Headlines

Invasive Alien Species on Islands

Invasive alien species are the major threat to islands by most metrics, and two open access papers published this week highlight this threat in different ways. In Nature Ecology and Evolution Wayne Dawson and colleagues identify global hotspots of alien species richness, and find islands and coa ...

News Headlines


Researchers from Durham University performed an extensive analysis of invasive species in the world, and identified the top three places where they have established their populations. These hotspots of alien species are the Hawaiian Islands, the North Island in New Zealand, and the Lesser Sunda ...

News Headlines

Islands, mainland coastal regions hotspots for invasive alien species: study

Isolated islands and coastal regions of continents are most likely to become hotspots for invasive alien plants and animals, as these areas have major points of entry like ports, a research said.

News Headlines

Means of preventing wildebeest migration established

According to new research, scientists found that a number of invasive alien plant species initially introduced as ornamental plants at tourism facilities are now spreading rapidly throughout the Serengeti-Mara ecosystem, posing a major threat to wildlife, including the annual wildebeest and zebr ...

News Headlines

Global hotspots for alien invasions revealed

Great Britain is in the top 10% of areas for harbouring alien species, according to a study.Animals that have moved in from afar include the grey squirrel, rose-ringed parakeet and the noble false widow spider.

News Headlines

Inside Australia’s War on Invasive Species

The Australian government unleashed a strain of a hemorrhagic disease virus into the wild earlier this year, hoping to curb the growth of the continent’s rabbit population

News Headlines

Invasive alien plant control assessed for the Kruger National Park in South Africa

Along with urban and agricultural encroachment and pollution mitigation, managing invasive alien species is a key intervention needed to protect biodiversity. Unfortunately, on a global scale there are not enough funds to meet the requirements for effective conservation everywhere, which means t ...

News Headlines

Can We Really Eat Invasive Species into Submission?

LAS PEÑITAS, Bolivia—Before he’d ever seen a paiche, fish trader Eric Salazar had heard the giant Amazonian fish could grow up to 10 feet long, weigh 400 pounds and eat a man whole. The paiche, or Arapaima gigas, is the world’s largest scaled freshwater fish.

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