Read more about the article Innovative management protocol for PSHB based on citizen science
Priority monitoring areas (1km2 grid cells) based on polyphagous shot hole borer (PSHB) reproductive host density and their proximity to plant biomass sites for (a) all reproductive hosts, and (b) Acer negundo. Red = high priority, green = low priority. A visual survey of a high priority Acer negundo monitoring site identified in our protocol detected a new PSHB infestation outside a nursery (photo credit: LJ Potgieter, 18 February 2023). Data from iNaturalist (https://www.inaturalist.org/projects/reproductive-hosts-at-risk-of-pshb-in-south-africa and https://www.inaturalist.org/projects/acer-negundo-in-south-africa, Accessed 14 February 2023)

Innovative management protocol for PSHB based on citizen science

CIB researchers develop an innovative protocol to map priority areas for detecting new and expanding polyphagous shot hole borer (PSHB) infestations in urban areas.

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Read more about the article Consensus and controversy in the discipline of invasion science
A few examples of debates with high and low polarization in views.

Consensus and controversy in the discipline of invasion science

Do controversies divide the field of invasion science? A new study finds that consensus among invasion science experts is generally high, however, some topics still generate debate.

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Unmitigated economic impact of polyphagous shot hole borer estimated at R275 billion

The potential economic impact of the polyphagous shot hole borer in South Africa amounts to R275 billion over the next ten years if nothing is done to stem the tide. This estimate is the result of a study conducted by economists and ecologists at the Stellenbosch University (SU) and the University of Pretoria (UP).

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Read more about the article What informs decisions to manage urban biological invasions?
A framework of key considerations for establishing invasive alien species (IAS) management thresholds to inform decision-making in urban areas and how they relate to the stages of invasion.

What informs decisions to manage urban biological invasions?

Urban areas are foci for the introduction of alien species and very often act as launching sites for invasions into natural ecosystems that adjoin urban ecosystems. Until very recently, the study of biological invasions has focused on developing concepts and frameworks mainly for (semi)natural ecosystems.

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