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21 April 2023 | Story Leonie Bolleurs | Photo Supplied
Striving to make a difference in the field of biodiversity conservation, Dr Katlego Mashiane decided to pursue a PhD in Geography, focusing on the spatial modelling of grassland diversity and nutrients in subalpine environments. He received his PhD during the recent April graduation ceremonies on the Qwaqwa Campus.

In the small village of Ga-Mabotia about 25 km outside of Polokwane, Dr Katlego Mashiane grew up, surrounded by rocky mountains characterised by boulder outcrops, where he interacted with nature from an early age. 

He recently obtained his PhD, majoring in Geography, from the University of the Free State (UFS), which was conferred on him during the April graduation ceremonies that took place on the UFS Qwaqwa Campus. The title of his dissertation is Grass nutrients estimation as an Indicator of rangeland quality using satellite remote.

Predicting the presence of biodiversity and nutrients in an area

Based on the principle that diverse grasslands tend to perform better, environmental changes threaten the resilience and services these grassland ecosystems provide. The study examined how many different types of plants and animals can be found at a particular place to enhance our understanding of the ecosystem’s value to humans, and that biodiversity loss will reduce these ecosystem services. Focusing on spatial modelling of grassland diversity, Dr Mashiane specifically investigated the influence of topography and remotely sensed satellite data on species richness and diversity in subalpine environments, and how they are affected by the availability of grass species. To determine this, he used a random forest machine-learning algorithm to find the best information in the data that could be used to estimate the levels of species richness, diversity, and nitrogen in a protected national conservation park. 

His study discovered that some data types – such as the near-infrared variable and certain vegetation data (EVI and SAVI) – were especially useful for determining the number and variety of species in a certain area. With this information, scientists can create models that predict the presence of different types of biodiversity and nutrients in an area.

Playing a key role in protecting our natural assets

Equipped with this knowledge, one will be able to understand how to protect and preserve different types of biodiversity and promote the nutritional value of both plants and animals in the environment. “Land managers could use this information for conservation strategies,” states Dr Mashiane, who decided to pursue this study because he was curious about how environmental changes will affect species.

“Grasslands provide important ecosystem services underpinning human well-being, and therefore warrant our protection; I would like to play a role in protecting our natural assets and contribute to understanding our biomes, especially in the context of global change,” he says.

In the next five years, Dr Mashiane plans to pursue further research and mentor other students in his field of study.

News Archive

Meet our Council: Kgotso Schoeman - I’m not afraid of challenges
2016-04-21

Description: Kgotso Schoeman  Tags: Kgotso Schoeman

Mr Kgotso Schoeman
Photo: Stephen Collett

It’s not often that someone is asked a favour by the MEC of Education. However, when it does happen, it is a sign that he has full confidence in you and your abilities. This is exactly what happened to Mr Kgotso Schoeman, one of the Council members of the University of the Free State (UFS).

Mr Schoeman, who was approached by the MEC of Education in the Free State, Mr Tate Makgoe, to serve on the UFS Council, has been involved with the Kagiso Trust for the past 20 years, and now serves as the CEO of Kagiso Capital. The Kagiso Trust was established in May 1985 by anti-apartheid activists, including Archbishop Desmond Tutu, Dr Beyers Naudé, and Prof Jakes Gerwel, in order to channel funds for the promotion of the struggle against apartheid, and for the upliftment and empowerment of communities. Today, education plays a leading role in the activities of the trust.

Mr Schoeman is now serving his second term on the UFS Council.  At the start of his term, he expressed a particular interest in learning more about the inner workings of universities, and the UFS in particular.  He believes the past two years, have been very informative in this regard.

"I have been very impressed with the academic performance of the UFS, and I have learned a lot about university governance and management during this time.  I do think, however, that there is a lot of room for improvement with regard to transformation at the UFS, especially at academic staff level," he says.

One of the issues that he has become aware of over the past two years, and which concerns him greatly, is the relationship between higher education institutions and the Department of Higher Education and Training.  It relates to another matter of concern: how higher education should be funded in South Africa.

"These are issues I raise at every Council meeting, because I feel these points are important not only for the future of the UFS, but for all higher education institutions in the country," he says.

When it comes to hobbies, Mr Schoeman loves reading. However, it is not fiction that interests him, but rather books on leadership and the changes experienced by today’s society. “In one of the educational programmes we offer, there are opportunities for people to discuss complicated topics, such as transformation. I find it fascinating to see how people can change their point of view in the course of these discussions.”

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