Read more about the article Mapping of street trees help city prioritizes areas for greening
London Plane (Platanus × acerifolia Willd.) trees in the suburb of Kensington, Johannesburg, with disfigured trunks due to infestation by the polyphagous shot hole borer.

Mapping of street trees help city prioritizes areas for greening

A study by Prof Solomon Newete and colleagues from the C∙I∙B and the Agricultural Research Council will help the City of Johannesburg Metropolitan Municipality to address the disparity in the urban green structure between the City’s poor and affluent suburbs.

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Read more about the article Trout impact on distributional patterns of native fish species
Lerato Maimela at the uninvaded sites by the first waterfall in the Christmas pools of the Blyde River where the remnant population of the Treur River barb are abundant. (Photo by Lee-Anne Botha)

Trout impact on distributional patterns of native fish species

A recent fish survey by C∙I∙B members in the headwaters of the Blyde River, Mpumalanga Province, revealed that Rainbow trout (Oncorhynchus mykiss) invasions have reduced the abundance and divided the community structure of native fish species.

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Read more about the article Prosopis: a weed or resourceful tree in South Africa?
Stands of Prosopis along the Huntams River, Loeriesfontein. Photo credit: Ross Shackleton

Prosopis: a weed or resourceful tree in South Africa?

Prosopis is an agroforestry tree that was introduced globally to over 100 countries – including South Africa. Prosopis went through mass scale distribution and planting, to aid farmers with fodder, shade and fire wood in the arid parts of South Africa.

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Read more about the article Public surveys contribute to rose-ringed parakeet research
Rose ringed parakeet (Psittacula krameri). Photo: Derek Keats, This file is licensed under the Creative Commons Attribution 2.0 Generic license

Public surveys contribute to rose-ringed parakeet research

Rose-ringed parakeets (Psittacula krameri) are the most invasive parrot species in the world and have already invaded 35 countries on five continents. In South Africa, the first sightings were noted in the 1970’s with strongholds predominantly in Gauteng and KwaZulu-Natal.

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