A new study reveals that the salt marsh plant Spartina alterniflora, which grows on more than 9,000 km of the Atlantic coastline of South America, is not native to the area and was in fact introduced 200 years ago.
[NAIROBI] An invasive weed may worsen the malaria epidemic in East Africa by sustaining the mosquitoes that transmit the disease, a study says.
Invasive Alien Species are animals and plants that are introduced accidentally (like by passengers on international flights) or deliberately (like through trade) into an ecosystem where they are not naturally found, spreading rapidly and disrupting the complex and delicate ecological balance in ...
KUSHIRO, Hokkaido--A pesky clawed invader viewed as a threat to the Lake Akanko ecosystem is being served as a delicacy to tourists mainly from Europe and China.
Gains made in the fight against malaria in East Africa could be set back, by an invasive plant species.
EU embargo on trade, possession and transport of 37 invasive species filed at the WTO, but conservationists say species omitted for commercial reasons pose a major threat to biodiversity
Four new native bee species were recognized as part of the largest Australian nature discovery project 'Bush Blitz.' The South Australian bee specialists used molecular and morphological evidence to prove them as new.
Kolkata: Nearly half of India’s total geographical area is prone to invasion by alien plant species, says a new study. It shows that biodiversity hotspots in India are “especially vulnerable” and limiting human interference in remote forests is necessary.
International travel and trade provide ample opportunity for plants to find their way into non-native soils. But some are quick to take root and influence both the economy and the environment.
An invasive caterpillar that feeds on hedges is starting to spread from its established base in London across the UK, experts warn.
As a young naturalist growing up in the Deep South, I feared kudzu. I’d walk an extra mile to avoid patches of it and the writhing knots of snakes that everyone said were breeding within.
Tahiti is a popular tourist destination, but one unwanted visitor has decided to make its home there: the brown widow spider (Latrodectus geometricus). A paper published in the Journal of Medical Entomology has reported the discovery of the spider for the first time on Tahiti and also on four of ...
PUNE: The bright flowers of Lantana camara was the foremost reason for the introduction of this South American novelty to India in 1809 at the botanical gardens in Kolkata.
Many of the world’s plants are turning “alien”, spread by people into new areas where they choke out native vegetation in a worsening trend that causes billions of dollars in damage, scientists said on Wednesday.
The use of irrigation across Sub-Saharan Africa creates conditions that attract devastating foreign plant pests, such as the tomato leaf miner, a Kenyan study has found.
The time since the introduction of a non-native marine species best explains its global range, according to new research by an international team of scientists. The study also contains a warning: The vast majority of marine invaders have not yet finished spreading.
The continuing expansion of the Suez canal risks causing serious harm to marine lifeforms and economic activity in the Mediterranean sea, scientists are warning.
People across the East are being warned not to attempt clearing giant hogweed and other non-native invasive plants without seeking professional advice first.
Santo Domingo.- The Environment Ministry on Tuesday said the Program to Control and Monitor Invasive Alien Species has been strengthened , and aims to remove chickens, the Palo Verde Iguana, donkeys and cats which compete, displace or destroy native varieties in the country’s protected areas.
Zeb Hogan was already familiar with the legendary Mekong giant catfish. After all, he’d been studying the beasts, which grow to hundreds and hundreds of pounds, for years. But when a colleague in Thailand phoned him up in 2005 to say that fishermen had hauled a 646-pounder ashore, it seemed…unpr ...
Invasive species are among the greatest threats to the world’s biodiversity, and amphibians rank among the most devastating vertebrate invaders. That’s why the discovery of the Asian toad (Duttaphrynus melanostictus) in Madagascar’s second largest city and main port of Toamasina in March 2014 so ...
Twenty years after ratifying a legally binding UN convention which obligates parties to deal with invasive alien species, considered to be main direct drivers of biodiversity loss across the globe, Indonesia has drawn up a national strategic plan on the matter.
A highly invasive species of flatworm has been identified in mainland US for the first time, posing a significant threat to the country - and the Americas - as a whole, scientists have warned.
New insect species typically arrive in Finland via Russia’s Karelian Isthmus. Entomologists say that the number of species in the country has expanded rapidly in recent years.
Scientists at the University of Southampton think that Next-Generation Sequencing (NGS) of invasive organisms holds the key to furthering our understanding of ecological and evolutionary processes.
Invasive species usually spell trouble for isolated ecosystems but in the Galapagos, an archipelago of islands off the coast of Ecuador that Charles Darwin credited with inspiring his theory of evolution, giant tortoises are in love with non-native fruit and grass species that appear to be keepi ...
For four years, the Forest Department has been removing the exotic weeds and invasive species proliferating in the forests of The Nilgiris biosphere, but lack of manpower and financial resources is pegging back the effort.
The Southern Caribbean Artisanal Fishermen’s Association on Monday presented officials from the Agriculture and Livestock Ministry a plan to reduce the population of lionfish (Pterois), an invasive species that threatens Costa Rica’s fish and shellfish populations.
The climbing perch can hibernate for up to six months in the mud of a dried up creek bed.
European allergy sufferers resigned to the perennial springtime blitz on their noses may need to keep their tissues handy later in the year too. An invasive plant from North America that releases copious amounts of allergenic pollen in the autumn looks set to massively expand its range in Europe.
World’s most invasive ladybird is consolidating its presence in the country and is responsible for the decline of seven native species, scientists say
An insect that sucks the sap out of cactus plants has been trialled in East Africa to contain the spread of an invasive cactus species that threatens local grazing areas.
SINGAPORE: Recent sightings of a destructive non-native bird species have alarmed some bird enthusiasts here, who have urged a relook of import policies for invasive species.
Daphnia pulex, a species of the common water flea long thought to be native to Japan, has been found to be a foreign invasive species that arrived here as long as 3,000 years ago, according to a report published in a U.S. science journal by a research team from Tohoku University.
Port Glaud — The incredible greenery of the Seychelles archipelago strikes many first time visitors to the Indian Ocean islands.
Researchers in the US have revealed a secret of the success of invasive fire ants - they can excavate any type of soil.
Lionfish have overwhelmed ecosystems in the Gulf of Mexico and the Caribbean over the past three decades, eating or out-competing native species in what has been called the worst marine invasion ever. Now the fish seem to have extended their range to South America.
Six decades ago, when Dick Sheldon first got into the oyster business, the tide flats of Washington states Willapa Bay were almost free of blight. There were no crabs (well, almost none) and Sheldon used to hike onto the mud at low tide, with a bucket for oysters
Wildlife activists are calling for a cull of feral cats in Australia's island state, Tasmania, where they are breeding out of control - outnumbering humans two to one and threatening livestock and native species.
It turns out that invasive plants may be helping endangered tortoises. Scientists have discovered that two subspecies of endangered tortoise have diets that are halfway made up of introduced species of plants
Unloved pet fish are flooding Australian waterways, introducing diseases and bullying native fish.
FORT LAUDERDALE, Fla., March 25 (UPI) -- A pair of termite species -- two of the some of the most destructive pests in the world -- have joined forces in Florida, mating and forming hybrid colonies. Entomologists in the Sunshine State are worried the tag-team termite could make its way to elsewh ...
Non-native plant species do not pose a risk to native flora, as widely assumed, because impacts are limited to localised areas, a study has suggested.
Biologists say that as the snakes proliferate and continue to prey on unsuspecting animals, ecological balance in the Everglades will suffer.
Researchers have published results of a powerful new tool that could give ecologists new ways of tackling problems posed by deadly invasive species like Asian carp and Zebra mussels.
Tiny populations of invasive species such as Asian carp start their domination of new ecosystems by hanging out at local landmarks, according to a new study.
The Mediterranean Sea is among the world’s great environmental jewels. The sea is highly saline, almost entirely enclosed by land and contains immense biodiversity.
GAINESVILLE, Fla., Feb. 26 (UPI) -- University of Florida researchers have confirmed the presence of a deadly parasite in three non-native species of snails that have colonized South Florida.
COLUMBIA, Mo., Feb. 16 (UPI) -- Some scientists suggest the best way to beat the Asian carp is to eat the Asian carp. But the question remains whether diners will oblige.
MONTREAL, Feb. 10 (UPI) -- A new study predicts future invaders of the Great Lakes basin -- should stronger environmental protections not be enacted -- and one of them is the killer shrimp. It's not quite as frightening as a killer bee or killer shark, but it could be much more ecologically deva ...