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INVASIVE ALIEN SPECIES
In 1974, a Spainish rancher imported 2,000 kg of American crayfish from Louisiana. 50 years later, it has become an invasion nobody could stopAn American red swamp crayfish invasion reshaped Spain's Guadalquivir River basin and Doñana National Park. This destructive biological inv...- In 2005, scientists revealed how ships helped Moon Jellyfish conquer the world's seas and threaten ecosystems around the planetScientists have reported a concerning invasion of alien moon jellyfish across various marine ecosystems. These jellyfish hitch rides on shi...
- In 1922, California introduced mosquitofish to eat mosquito larvae; within four years, they were in 30 counties and were later linked to native-species declinesIn 1922, California introduced mosquitofish in hopes of controlling mosquito populations. Although they were initially viewed as a solution...
- South Africa, in the mid-1800s, planted millions of Australian acacias as a dune fix; 180 years later, that decision is costing the country its rivers and ecosystemA 19th-century solution to coastal erosion in South Africa, planting Australian Acacia trees, has become a major environmental crisis. Thes...
- Hawaii, in the late 1800s, planted Leucaena trees for fodder and fuelwood, but scientists now say the invasive trees have replaced native habitats that evolved nowhere else on EarthHawaii's idyllic image belies a significant ecological challenge: Leucaena, an introduced shrub, now covers 10% of the islands. Brought for...
- Blue crabs were first found in Italy's Adriatic in 1949; 74 years later, they exploded, cut clam output 90%, and pushed 160 km up the Po RiverAmerican blue crabs, famed for their presence in coastal cuisine, are now making an alarming, unprecedented journey deep into Italy's Po Ri...
- New study warns of rising invasive alien species threat, urges immediate actionA recent study published in the journal Nature Ecology and Evolution has highlighted the urgent need to address the growing threat posed by...
- How an invasive ant caused lions to change their dietResearch published Thursday has shown how an ant muscled into a Kenyan savannah and sparked such a dramatic transformation in the landscape...
- Allergic to 'Congress grass': Goyal's jibe at opposition Congress in RSDuring the Question Hour, Piyush Goyal asked about the weed to Environment Minister Bhupender Yadav, who was responding to a query on clear...
- 37,000 'alien species' catalogued worldwide, 10% aggressively harmful: UNFrom rats, cats and mosquitoes to a rogue's gallery of plants, a major scientific assessment Monday catalogued more than 37,000 alien speci...
- World losing high-stakes fight against alien speciesInvasive species that wreck crops, ravage forests, spread disease, and upend ecosystems are spreading ever faster across the globe, and hum...
- India should have effective strategy to fight Alien species: ScientistsThe meet aims at delving in detail the impact of IAS on biodiversity, impact of biological invasion on ecosystem besides, to develop a nati...
- Amid expanding concrete jungle, Delhi's wildlife shows sign of revivalDue to the degradation of the Yamuna river, Delhi has lost the nub-nosed or marsh crocodile (last seen in 1976) and the long-snouted crocod...
- Invasive alien plants could be promoted as foodKolkata, Nov 30 (IANS) Invasive plant species such as alligator weed, which threatens natural ecosystem, could be promoted as a food produc...
- Release of animals into wild stirs up controversy in ChinaPostings of micro-blogger "cora liebo" narrating the list of animals "released" in the southwestern province of Yunnan have left jaws dropp...
- Alien species threaten Indian ecosystems: GovernmentInvasive alien species like Lantana and Cuscutta pose a threat to the ecosystems and lead to loss of biodiversity of the country, the gover...
- Foresters step up chop down of invasive plant types in TNThe forest department has intensified its efforts to eradicate invasive plant species that pose a threat to native varieties and the natura...
- Marine important bird areas programme in IndiaIndia has one of the longest shorelines in the world and many marine species of birds are found in the Indian seas and on the coastal areas.
- From butterflies to giant Squids, world's spineless creatures being pushed to extinctionIn a first ever evaluation of how invertebrates, that is, spineless creatures, are surviving in the face of human intervention, a study has...
- UN experts to say 2010 biodiversity target elusiveNearly 200 governments will say next week they are unlikely to meet a target of slowing the rate of extinctions of living species by 2010, ...
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