What are invasive species?
They can be animals, plants or other organisms that were initially transported by human action to locations outside their natural range and are able to survive, reproduce and spread causing negative impacts on the ecology of the new location, as well as on society and the economy. The spread of invasive alien species (IAS) is considered one of the main threats to the preservation of biodiversity and ecosystem services.
What characterises an invasive species?
The great diversity of invasive species implies that their characteristics are diverse. However, there are some characteristics that are more frequent and common to all organisms: