Currently invasive pines belong to naturally invasive lineages
Pinus contorta, a highly invasive species in Europe, South America and Oceania, seen here in its native range in Yellowstone National Park, USA. (Photo credit: Laure Gallien)

Currently invasive pines belong to naturally invasive lineages

Understanding why some introduced species are more successful at establishing and spreading than others is a substantial challenge for managing and conserving indigenous biodiversity.

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C·I·B associates compile first worldwide survey of alien plants
Common sowthistle (Sonchus oleraceus) (Photo credit: Rob Hille/Wikimedia)

C·I·B associates compile first worldwide survey of alien plants

Humans have been moving plants and animals around the world for many centuries. Some of these plants and animals often grow and adapt to their new environment, becoming naturalised species. Naturalised species are species that grow and reproduce in the wild outside of their original range.

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Comparing impacts of alien plants and animals using a standard scoring system
Lantana (Lantana camara) is poisonous to humans and animals, and responsible for livestock losses in South Africa

Comparing impacts of alien plants and animals using a standard scoring system

Knowing which species to manage amongst all the species introduced outside of their native ranges is a huge challenge. Many factors play a role in the decision making process, one of the most important ones being whether or not the alien species causes harm to native ecosystems and species, or damages the economy.

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