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 How to sample recreational vessels for marine alien fouling species
GoPro images of A) Koebraa Peters controlling the ROV from the surface; B) ROV collecting a visual sample from a niche area of a yacht; C) the diver recording alien species detected from diver visual samples and D) an ROV image of the diver collecting a scrape sample from a yacht hull. (Photo credits: Koebraa Peters)

How to sample recreational vessels for marine alien fouling species

The most effective method to sample recreational vessels for marine alien fouling species is to combine diver-based and lab-based methods, a study reported. Published in the Journal of Environmental Management, the study was conducted by C·I·B Post-doctoral associate, Koebraa Peters, C·I·B Core Team Member, Tammy Robinson and SANBI’s Marine Programme Manager, Kerry Sink.

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Read more about the article C∙I∙B members collaborate to build capacity in river rehabilitation monitoring
Dr Jeremy Shelton (C·I·B post-doc) and Lesley Bloy (C·I·B MSc student) sampling fish species (Photo credit: Olaf Weyl)

C∙I∙B members collaborate to build capacity in river rehabilitation monitoring

Habitat modification, pollution and alien fishes are among the greatest threats to South Africa’s freshwater biodiversity. Alien fish impact is primarily through predation on, and/or competition with, native fishes, invertebrate and plant communities.

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Read more about the article Unlocking the potential of Google Earth as a tool in invasion science
Lodgepole pine (Pinus contorta) invasion in Chile at one of the sites described in the paper. The pine plantation is to the lower right corner of the image and the invaded area is directly above the diagonal line marking the original plantation boundary, although the invasion is now so dense that the two are almost indistinguishable. Photo credit: Google Earth.

Unlocking the potential of Google Earth as a tool in invasion science

The use and popularity of Google Earth has grown tremendously since its launch, and it has a range of uses from mapping and viewing mountain bike routes to monitoring chimpanzee forest habitat. However, Google Earth had no formal recognition or guidelines for its use in the field of invasion science, despite the fact that many scientists and managers use it on a regular basis.

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