More than 2,500 alien plant species could find suitable conditions in the Arctic, especially in northern Norway and Svalbard.

Thousands of alien species could invade the Arctic, warns a new study. Warmer temperatures and more tourists make it easier for non-native plants and animals to get a foothold in far northerly ...

The spread of species beyond their native habitat is a human-made environmental change on a global scale. Among vascular plants, over 16,000 species have now permanently settled in foreign countries.

Introduction: Nonnative species in the world / David Pimentel -- The impacts of alien plants in Australia / Richard H. Groves -- Environmental and economic costs of invertebrate invasions in Australia ...