Horizon Scanning (HS) is a tool to identify and prioritize invasive alien species (IAS) absent or not yet widely spread, which may pose a potential threat to the environment in a given region.
Horizon Scanning (HS) is a tool to identify and prioritize invasive alien species (IAS) absent or not yet widely spread, which may pose a potential threat to the environment in a given region. The outcome of an HS exercise is a ranked list of IAS which are likely to arrive, establish, spread and have an impact on native biodiversity or associated ecosystem services in a foreseeable future.