Welcome to Research Matters

Gallery

Elephant movement maps

This gallery features photography of elephants in their natural habitat by Prof Rudi van Aarde and a map showing where their preferred areas are based on the elephants' movement patterns.

Stories

UP hydrogeologists use isotopes to pinpoint root of Hartbeespoort Dam’s water hyacinth problem

For years now, invasive water hyacinth plants have clogged up the North West’s Hartbeespoort Dam, which lies downstream from Pretoria and Johannesburg. In new research, hydrogeologists from the University of Pretoria (UP) have used the internal workings of the plants themselves to reiterate that the infestation is fueled by below-par sewerage works and inadequate sanitation facilities for...

Story

UP scientist joins call to protect Southern Ocean

The Southern Ocean around Antarctica needs urgent protection – for the sake of the rest of the world. This marine wilderness is threatened by climate change and commercial fisheries, says University of Pretoria (UP) macro-ecologist Dr Luis Pertierra, an expert on the natural value of the Antarctic.

Infographic

Southern Ocean fact sheet

Did you know that 70% of the world's freshwater is held in Antarctica's ice? This is just one of the reasons why the Southern Ocean around Antarctica needs urgent protection. Learn more Southern Ocean facts with this infographic.

Gallery

Save our seas

Climate change and commercial fishing is putting Earth’s most southern waters – and the planet itself – at risk. UP macro-ecologist Dr Luis Pertierra has joined the global call to better protect the Southern Ocean by banning fishing in Antarctic waters, among other measures.

Talking Point

A new way to name bacteria: 300-year-old system revised thanks to scientific advances

Nearly 300 years ago the Swedish botanist Carl Linnaeus secured his place in scientific history when he created what’s known as the binomial system. The year was 1737 and, due to the large diversity of plants and animals collected by naturalist explorers in different parts of the world, Linnaeus saw the need to develop a logical system to classify and group this material in a systematic way.