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  • Invasive Alien Species (236)

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News Headlines
#114858
2017-10-16

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
#114704
2017-10-03

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
#114585
2017-09-25

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
#114514
2017-09-20

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
#114517
2017-09-20

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
#114518
2017-09-20

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
#114507
2017-09-19

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
#114448
2017-09-14

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
#114368
2017-09-11

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
#114305
2017-09-01

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
#114062
2017-08-10

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
#113984
2017-07-31

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
#113868
2017-07-21

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
#113876
2017-07-21

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
#113836
2017-07-20

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
#113807
2017-07-18

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
#113754
2017-07-13

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
#113696
2017-07-10

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
#113526
2017-06-29

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
#113448
2017-06-22

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
#113306
2017-06-15

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
#113285
2017-06-14

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
#113268
2017-06-13

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
#113269
2017-06-13

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
#113270
2017-06-13

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
#113271
2017-06-13

RESEARCHERS IDENTIFY THE PLACES WITH MOST INVASIVE SPECIES

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
#113272
2017-06-13

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
#113273
2017-06-13

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
#113275
2017-06-13

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
#113238
2017-06-09

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
#113181
2017-06-06

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
#112935
2017-05-19

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.

News Headlines
#112903
2017-05-17

Trojan fish': Invasive rabbitfish spread invasive species

he mystery of how some invasive species may rapidly invade and spread in the world's oceans without assistance by marine traffic may have been partly solved by a new Mediterranean Sea study. Red Sea rabbitfish invaded the Mediterranean through the Suez Canal in the 20th century. Soon after, more ...

News Headlines
#112845
2017-05-12

Spying on suckers: Volunteers track migrations of native Great Lakes fish

Grreat Lakes fish stories can be downright scary.Pollution dumped by industries and cities make some fish unsafe to eat. Invasive species spread by cargo ships decimate yellow perch, lake trout and other native fish. Warmer water in a changing climate triggers algae blooms that create oxygen-dep ...

News Headlines
#112811
2017-05-10

Researchers find significant increase of invasive seaweed changing sea habitat

Walking along the beaches of New England, it is easy to spot large amounts of a fine red seaweed clogging the coastline, the result of sweeping changes in the marine environment occurring beneath the water. To further investigate, researchers at the University of New Hampshire looked at seaweed ...

News Headlines
#112771
2017-05-08

Invasives and Natives: Peanuts and a proudly South African export

WITH its distinctive brown and yellow flowers and its habit of crowding out the locals along our riverbanks and road verges, the peanut butter cassia is easy to spot.Formally addressed as Senna didymobotrya and a member of the extensive legume or Fabaceae family, its common name comes from the f ...

News Headlines
#112756
2017-05-05

Scientists scan horizon for future invasive species challenges

Shipping and mining in the Arctic. The spread of invasive microbial pathogens around the world. Changing agricultural practices. Use of genomic-modification tools.

News Headlines
#112741
2017-05-04

Scientists suggest the world should brace itself for a new wave of biological invasions

We are all becoming increasingly familiar with the impacts of invasive species. Knotweed from Japan can destroy building foundations, zebra mussels from eastern Europe can clog-up drinking water pipes, and an Asian fungus is causing ash tree die-back in our forests. Now an international team of ...

News Headlines
#112735
2017-05-03

Why invasive plants love climate change

America is under attack by a group of bad actors with deceptively innocent names. Their roles could have been written for a bizarre science-fiction movie.

News Headlines
#112682
2017-04-28

Scientists turn to robots to battle invasive species

WASHINGTON -- A robot zaps and vacuums up venomous lionfish in Bermuda. A helicopter pelts Guam's trees with poison-baited dead mice to fight the voracious brown tree snake. A special boat with giant winglike nets stuns and catches Asian carp in the U.S. Midwest.

News Headlines
#112667
2017-04-27

Red Sea Resort Town Eilat Invaded by Notorious Sea Squirts That Could Harm Coral

Eilat is home to Israel’s one and only coral reef, which is quite the tourism magnet

News Headlines
#112657
2017-04-26

Can we eat our way out of the lionfish invasion?

Yes, say chefs and conservationists. But only if traps or robots can bring in more lionfish from depths divers can't reach.

News Headlines
#112467
2017-04-06

Into the DNA of a coral reef predator

Researchers have sequenced and decoded for the first time the genome of the crown-of-thorns starfish, paving the way for the biocontrol of this invasive predator responsible for the destruction of coral reefs across Indo-Pacific oceans.

News Headlines
#112400
2017-03-31

The ornamental plant that grew to ravage waterbodies

It has done to waterbodies what s eemai k aruvelam (Prosopis juliflora) did to Tamil Nadu’s lands. Ipomea carnea, also known as Neyveli ka atamanakku has clogged every waterbody in the State and proved detrimental to its aquatic ecosystems.

News Headlines
#112188
2017-03-10

Scientist details the indirect effects of an invasive species in guam

The indirect impacts invasive species can have in an ecosystem, new research confirms. This study focused on the brown treesnake, whose introduction to the forests of Guam has led to difficulties for local tree species to reproduce.

News Headlines
#112164
2017-03-07

Invasive snakes threaten forests on Pacific island of Guam

Brown tree snakes, which have wreaked havoc among bird populations on the Pacific island of Guam, may also be damaging the forests.

News Headlines
#112139
2017-03-03

Highlighting forests' vulnerability to invasive species

[KUALA LUMPUR] After habitat destruction, invasive alien species are the second biggest threat to biodiversity worldwide. They have a significant impact on livelihoods and the economy, with losses from the impact on all ecosystems on a global scale estimated at USD$1.4 trillion a year.

News Headlines
#112103
2017-02-28

Invasive, native marsh grasses may provide similar benefits to protected wetlands

An invasive species of marsh grass that spreads, kudzu-like, throughout North American wetlands, may provide similar benefits to protected wetlands as native marsh grasses.

News Headlines
#112076
2017-02-24

African Countries Mobilize to Battle Invasive Caterpillars

The fall armyworm has rapidly spread across the continent and is wreaking destruction on staple crops

News Headlines
#112068
2017-02-23

Red squirrels: 5,000 volunteers sought to save species – and help kill invasive greys

Wildlife Trusts’ biggest-ever recruitment drive will see volunteers monitor populations, educate children – and bludgeon grey squirrels to death

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