Thousands of alien species could invade the Arctic, warns a new study. Warmer temperatures and more tourists make it easier ...

An infographic showing the average declines in abundance of key terrestrial insect groups due to invasive alien species. The extent of declines varies across species and regions. Insects are often ...

More than 2500 plant species have the potential to invade the Arctic at the expense of the species that belong there. Norway ...

More than 2,500 plant species have the potential to invade the Arctic at the expense of the species that belong there. Norway is one of the areas that is particularly at risk.

Human activity brings with it alien species and creates excellent conditions that allow them to become established in an otherwise barren Arctic landscape. (Kristine Bakke Westergaard, NTNU via SWNS) ...