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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.

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.

Nomination of Experts for the Ad Hoc Technical Expert Group meeting on invasive alien species Montreal, Canada from 2 to 4 December 2019

Reference: SCBD/SSSF/AS/SBG/JSH/VA/88332 (2019-078)
To: CBD and SBSTTA National Focal Points, Relevant Organizations, Indigenous Peoples and Local Communities, cc: The Inter-agency Liaison Group on Invasive Alien Species, the Secretariat of the ECOSOC Sub-committee of the Expert on Transport of Dangerous Goods, IPBES Secretariat

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.

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.

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 ...

Selected experts for the Ad Hoc Technical Expert Group on Invasive Alien Species, Montreal, Canada from 2 to 4 December 2019

Reference: SCBD/SSSF/AS/SBG/JSH/VA/88332 (2019-090)
To: CBD and SBSTTA National Focal Points, Relevant Organizations, Indigenous Peoples and Local Communities, cc: The Inter-agency Liaison Group on Invasive Alien Species, the Secretariat of the ECOSOC Sub-committee of the Expert on Transport of Dangerous Goods, IPBES Secretariat

'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.

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.

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 ...

Study shows invasive blue catfish can tolerate high salinities

A new study by researchers at the Virginia Institute of Marine Science warns that blue catfish—an invasive species in several Chesapeake Bay tributaries—tolerate salinities higher than most freshwater fishes, and thus may be able to expand their range downstream into mainstem Chesapeake waters, ...

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.

Global Dialogue with Indigenous Peoples and Local Communities on the IPBES Assessment on Invasive Alien Species

15 - 16 November 2019, Montreal, Canada

Invasive Alien Species: Protecting Nigerian oceans’ll boost economy, shipping trade

With a coastline of 852 kilometres bordering the Atlantic Ocean in the Gulf of Guinea and a maritime area of over 46,000 km2, 80 per cent of transport trade in Nigeria is done through the seas.

Invasive American brackish water mussel appears in India

While out on routine coastal surveys this past summer, a group of researchers noticed something odd.

Non-native species should count in conservation – even in Australia

As the world struggles to keep tabs on biodiversity decline, conservation largely relies on a single international database to track life on Earth.

Statement by Ms. Elizabeth Maruma Mrema, Acting Executive Secretary, Convention on Biological Diversity, on the occasion of the meeting of the Ad Hoc Technical Expert Group on Invasive Alien Species, Montreal, 2-4 December 2019

Statement by Ms. Elizabeth Maruma Mrema, Acting Executive Secretary, Convention on Biological Diversity, on the occasion of the meeting of the Ad Hoc Technical Expert Group on Invasive Alien Species, Montreal, 2-4 December 2019

Ad Hoc Technical Expert Group on Invasive Alien Species

2 - 4 December 2019, Montreal, Canada

Can We Identify Invasive Species before They Invade?

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

Interview: New Zealand manages pretty but invasive "pest plant" Russel lupin: official

WELLINGTON, Dec. 5 (Xinhua) -- It is time for the blossom of Russel lupins in New Zealand's South Island, which is a well-known tourism attraction at this time of the year.

Invasive Animals Pose “Deep and Immediate Threat” to U.S. National Parks, Study Finds

More than half of all U.S. National Parks are overrun with invasive animal species, such as rats, pythons, and feral hogs, according to a new study published in the journal Biological Invasions.

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 ...

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.

Native fish could die alongside invasive ones under eradication plan

Department of Fisheries and Oceans scientists say there's no point trying to save some of the native fish in a New Brunswick lake that may soon be deliberately poisoned.

Predicting non-native invasions in Antarctica

A new study identifies the non-native species most likely to invade the Antarctic Peninsula region over the next decade. It provides a baseline for all operators in the region to look at mitigation measures. The study is published in the journal Global Change Biology (13th January 2020).

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.

Weeding out Mexico’s unwanted beach invader

An invasive species of seaweed which has blighted tourist beaches in Mexico has become more aggressive due to the heating effects of climate change. But now, thanks to support from the UN Development Programme (UNDP), efforts are underway to hold back its advance and protect local ecosystems.

MOZAMBIQUE: Large herbivores wipe out invasive plant at .

The re-introduction of large herbivores has reduced the spread of Mimosa pigra, an invasive plant that had taken up residence in the Gorongosa National Park in Mozambique, according to a scientific study just published in the journal Nature Ecology & Evolution.

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).

Invasive species that threaten biodiversity on the Antarctic Peninsula are identified

Invasive species are non-native ones that are introduced into a new habitat and are able to adapt to it, displacing indigenous species or causing them to go extinct. This threat is increased by the fact that people and things are constantly moving all over the world, and this is one of the main ...

Invasive bug found feeding on avocado plants in Hawaii

An invasive bug was discovered feeding on avocado leaves across the state of Hawaii and was most recently found on Maui plants in retail outlets, entomologists said.

The wicked risks of biosecurity: Invasive species in Australia

Invasive species have the potential to damage our economy, change our way of life and impact our wellbeing.We have seen this in previously introduced pest species like cane toads, which are highly toxic to both domestic pets and native species, and are a common nuisance in recreational areas lik ...

Roadmap to a win-win against invasive weeds

Researchers at Wits University in Johannesburg, South Africa, have created the world's first framework, to better guide the management of terrestrial invasive species.

How to help red squirrels fight back against invasive greys – with DNA sequencing

The red squirrel is the UK’s only native squirrel species. Unfortunately, they are now a very rare sight across Britain and Ireland, thanks to widespread destruction of their native forests, combined with competition from the larger grey squirrel – an invasive species introduced from North Ameri ...

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 ...

Tiny fly from Los Angeles has a taste for crushed invasive snails

As part of their project BioSCAN - devoted to the exploration of the unknown insect diversity in and around the city of Los Angeles - the scientists at the Natural History Museum of Los Angeles County (USA) have already discovered numerous insects that are new to science, but they are still only ...

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 ...

Invasive lionfish likely to become permanent residents in the Mediterranean

An invasive species first identified in the Mediterranean Sea just eight years ago is likely to become a permanent feature of the region, a new study suggests.

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.

World Bee Day 2020

20 May 2020, New York, United States of America

World Migratory Bird Day 2020

10 October 2020, Bonn, Germany

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.

Insect invaders threaten Rome's iconic pines

Rome's majestic umbrella pines are as much part of the landscape as the ruins and cobbled streets, but they are under threat from a tiny insect invader—the pine tortoise scale.

Invasive alien species threaten biological diversity, shows study

The raccoon, raccoon dog, mink, and golden jackal are not native to Germany or Europe but are increasingly spreading in these non-native regions.

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.

Specieswatch: tramp slug reclassified as invasive species

A slug (Deroceras invadens) that has colonised at least 46 countries and damaged crops as far apart as New Zealand, the US and Argentina was first discovered in England in the 1930s. But the tramp slug, as it is often known, originated in southern Italy so has been reclassified from a native to ...

Non-native plants are hurting the birds and bees

For years, Doug Tallamy sounded the alarm about the grave threat that plants introduced from abroad pose to native insects. By transforming native plant communities into so-called novel landscapes increasingly dominated by exotic species on which many insects cannot feed, the University of Delaw ...

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.

Invasive Alien Birds May Threaten Himalayan Biodiversity in Coming Decades: Study

Alien birds are spreading across southeast Asia and could reach India—either due to escaping captivity or after being intentionally released, report researchers from the University College London (UCL).