Read more about the article Non-native small mammal species for sale in South Africa
Examples of non-native small mammal species sold as pets in South Africa. Pictures were taken from different advertising websites in the present study (photograph Gumtree, PublicAds)

Non-native small mammal species for sale in South Africa

Small mammals are amongst the most charismatic animals widely sold as pets around the world. Increasing trade for these pets has resulted in several species releases and escapees from captivity. Consequently, several small mammal pets have become invasive...

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Read more about the article How many invasive species can our ecosystems tolerate?
Mice are the most widely distributed vertebrate in the world due to historical shipping and trade patterns. The image shows a mouse hitchhiking on marine ropes (photo: James Russell). This is but one example of the many species that are introduced accidentally as a result of tourism. More work is needed to fully understand the role of different pathways in introducing non-native species and to find ways of managing these pathways to reduce the associated risks.

How many invasive species can our ecosystems tolerate?

An increase of 20 to 30 percent in the number of invasive alien species will lead to dramatic biodiversity loss worldwide. This is one conclusion of a study by an international team of researchers led by C·I·B associate Franz Essl that was published in the journal Global Change Biology.

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Read more about the article Centre for Invasion Biology represented at the IPBES assessment on invasive alien species
C·I·B affiliates at the IPBES author meeting in Tsukuba, Japan, 19-23 August 2019. (from L-R: PhD candidate Maria Loreto Castillo (C·I·B), Prof Llewellyn Foxcroft (SANParks) and Dr Sebataolo Rahlao (SANBI), Prof Sven Bacher (University of Fribourg), Dr Ryan Blanchard (CSIR) and Prof Laura Meyerson (University of Rhode Island)

Centre for Invasion Biology represented at the IPBES assessment on invasive alien species

The first meeting of authors for a new global assessment of invasive alien species and their control for the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services (IPBES), was held recently in Japan.

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Read more about the article C·I·B researchers develop tool to compare impacts of alien species
The mallard duck (Anas platyrhynchos) has massive impact through hybridisation. (Photo credit: By WPPilot - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=38620499)

C·I·B researchers develop tool to compare impacts of alien species

C·I·B core team member Sabrina Kumschick and C·I·B associate Petr Pyšek, together with collaborators from Europe, developed a concise tool to put a figure on the impacts of alien species.

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Read more about the article The negative impacts of <em>Prosopis</em> invasions outweigh its benefits
The study found that most households use both native trees and/or mesquite for fuelwood. However, the majority of stakeholders across ten communities in the Northern Cape still use native trees more than mesquite. (Photo credit: Ross Shackleton)

The negative impacts of Prosopis invasions outweigh its benefits

Many invasive species provide both benefits and costs to society and the environment. These benefits include aesthetic values, but also provide resources such as timber, fuelwood, fodder and food.

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