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Invasive alien species are non-native organisms that harm native biodiversity, ecosystems and human health. Learn how they affect biodiversity, livelihoods and development, and how to prevent and manage them.
May 24, 2023 · Invasive alien species are animals, plants or other organisms that are introduced by humans, either intentionally or accidentally, into places outside of their natural range, negatively impacting native biodiversity, ecosystem services or human economy and well-being.
Mar 18, 2014 · Alien species are species that occur outside their natural range and dispersal potential. Alien species are spread by human activity, intended or unintended, to new areas. Alien species do also include taxa below species level such as subspecies, varieties, cultivars and hybrids.
Apr 1, 2010 · Invasive alien species (IAS) are species whose introduction and/or spread outside their natural past or present distribution threatens biological diversity. IAS occur in all taxonomic groups, including animals, plants, fungi and microorganisms, and can affect all types of ecosystems.
Alien species – A species, subspecies or lower taxon, introduced outside its natural past or present distribution; includes any part, gametes, seeds, eggs, or propagules of such species that might survive and subsequently reproduce.
Invasive alien species (IAS) are animals and plants that are introduced accidentally or deliberately into a natural environment where they are not normally found, with serious negative consequences for their new environment. They are a major threat to native plants and animals in Europe and are one of the five major causes of biodiversity loss.
Alien species: What they are and why alien species are such a threat - Discover Wildlife.
