A new report presents major findings on the gravity of impacts from invasive alien species on our planet.
A new report by the Intergovernmental Platform on Biodiversity and Ecosystem Services presents major findings on the gravity of impacts from invasive alien species on our planet. Researchers found more than 37,000 alien species have been introduced by human activities over the centuries, and this conservative estimate is rising at unprecedented rates. Additionally, more than 3,500 of these are harmful invasive alien species, impacting humans, animals and plants.
"This is the greatest collection of information ever created on the impacts of invasions," Nuñez said."We found that the impacts are huge and bigger than we expected. We have about 13,000 references on this topic to compile a huge database." "Invasive alien species have been a major factor in 60% and the only driver in 16% of global animal and plant extinctions that we have recorded," said Anibal Pauchard, co-chair of the assessment.
There also impacts on people's health, including diseases such as malaria, Zika and West Nile Fever, spread by invasive alien mosquito species like Aedes albopictusand Aedes aegyptii. Invasive alien species also damage livelihoods, for example in Lake Victoria where fisheries have declined due to the depletion of tilapia, because of the spread of water hyacinth, the world's most widespread terrestrial invasive alien species.
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