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21 April 2023 | Story Leonie Bolleurs | Photo Supplied
Dr Katlego Mashiane
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

Alumni inspired to keep flying the Kovsie flag high at reunion weekend festivities
2015-09-01

Dr Khotso Mokhele and Adv Roelf Meyer

The University of the Free State hosted alumni from all over the country on the Bloemfontein Campus during a weekend of exciting events, talks, and tours around the campus on 28 and 29 August 2015.

The celebratory events were kick-started with a leadership symposium hosted by Dr Marcus Ingram, Director: Institutional Advancement with Adv Roelf Meyer. The symposium was attended by current student leaders and the SRC Presidents Alumni Association. In his dialogue with the audience, Adv Meyer shared his experiences and personal growth in the process of bringing about democracy in the country with student leaders as change agents. “If you really want to contribute to change, it is not only an intellectual exercise; it is also a heart and soul thing,” he said.

The anchor event was the inaugural Chancellor’s Distinguished Alumnus Award Luncheon hosted by Chancellor, Dr Khotso Mokhele. Prof Jonathan Jansen, Vice-Chancellor and Rector, welcomed guests by highlighting the latest extraordinary achievements of UFS students and academic staff.

Keynote speaker of the day, Ms Nozizwe Madlala-Routledge, Executive Director of Inyathelo and a renowned politician, spoke of the role that universities have in preparing women for leadership roles and how they, in turn, can prepare society for female leadership.  She commended the UFS’s advancement efforts supported by the Kresge Foundation, which supports young people, to keep them in universities. “I am proud to say that the UFS’s efforts in advancement have achieved its goals.”

In his remarks, Dr Mokhele said “what draws a student back to his/her Alma Mater is the quality of the experience they had on campus.  This campus contributed to the transformation of this country through alumni such as Roelf Meyer and Kobie Coetsee.”  He said this initiative should create a lived experience for students on the university campus.  The Chancellor presented the Distinguished Alumnus Award to Adv Roelf Meyer, for his outstanding contributions to the human interests of South Africa, and his current work of facilitating peace processes around the world.

In accepting the award, Adv Meyer introduced Youth Zones, a project which he has been involved with for the past five years, empowering and supporting 40,000 youths in the Free State. In accepting the award, he said “I was a first-year student in 1960, my year group represented the most emphatic group of this university. There are many who came before and after us who well deserve this award, therefore, I accept it on behalf of all alumni.”

To wrap up the weekend’s festivities, former SRC President, Richard Chemaly, hosted the Faculty of Law alumni cocktail event at the CR Swart Auditorium.
Speaking at the event, Prof Caroline Nicholson, Dean of the Faculty of Law, said “A faculty cannot exist without its alumni, we need you to carry us.  Your continued support and collaboration is truly appreciated.”

Alumni and staff enjoyed further entertainment by well-known musical groups, Freshly-Ground and The Muses.

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