Read more about the article Defining the invasiveness and invisibility in ecological networks
The invasive harlequin ladybird, Harmonia axyridis (Photo credit: Wikimedia commons)

Defining the invasiveness and invisibility in ecological networks

A recent paper by a group of researchers, led by C·I·B core team member Prof Cang Hui, proposed a framework to help explain why some invasive alien species are so successful in invading the new areas, while it is not so easy for others.

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Read more about the article 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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Read more about the article The role of polyploidy in facilitating plant invasions
Oxalis pes-caprae is a winter-growing geophyte indigenous to South Africa and invading Europe, North America and Australia. Sexual tetraploids predominate in the native range, whereas asexual pentaploids predominate in the introduced ranges. Photograph: Jan Suda

The role of polyploidy in facilitating plant invasions

Much remains to be understood about why some introduced species become invasive whereas others do not. Recently, polyploidy (whole genome duplication) has been proposed as an important determinant of invasiveness in plants.

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