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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Read more about the article Reconstructing the invasion routes of a major agricultural pest
The Mediterranean fruit fly (Ceratitis capitata) is a major agricultural pest attacking many fruit crops of economic importance in many countries worldwide. (Photo credit: Pia Addison)

Reconstructing the invasion routes of a major agricultural pest

In a rapidly changing world, the ability to prevent invasions by intercepting foreign organisms or by implementing quarantine measures is critical. Few studies however investigate the effectiveness of such measures in preventing new or ongoing invasions.

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And a river runs through it

What would researchers at the Centre for Invasion Biology and students of the UCT’s new Environmental Humanities MPhil course have to say to each other?

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Read more about the article Native predators avoid eating an invading alien barnacle
A dense settlement of the alien barnacle Balanus glandula on a rocky shore near Elands Bay. (Photo credit: Tammy Robinson)

Native predators avoid eating an invading alien barnacle

The alien barnacle Balanus glandula has been rapidly spreading down the South African west coast and recently moved east around Cape Point. This left researchers wondering how it is able to spread so far and why it is spreading so fast.

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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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