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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

Food insecurity should not stand in the way of education
2015-06-11

 

Every year, hundreds of students drop out of university due to financial difficulties – only to return to dire financial circumstances. It is only a few who manage to secure a bursary to fund their studies. These bursaries often pay only for academic and residential expenses, leaving students without additional funding for food.

The University of the Free State realized that up to 60% of its students were food insecure. Many of these students admitted to having to work after class to buy food or having to beg from friends. In 2011, the UFS launched the No Student Hungry Bursary Programme (NSH), which provides modest food bursaries to food insecure students. Currently, 130 students receive food bursaries from the programme to ensure they have one less thing to worry about while they are studying.

This year, at our Autumn Graduation Ceremony, six beneficiaries of the NSH Bursary Programme, received their degrees – an achievement all them feel they could not have reached was it not for the support by NSH.

For Tshililo Nethengwe, accounting student from Venda, her first year at university in 2012 was a daily battle. Although her parents managed to pay her study and accommodation fees, the meager monthly food allowance her parents could afford was not enough to last her the month.

“Every morning I used to tell myself not to think about food because I am here to study. Somehow, I still managed to get something to eat – even if it was just a few slices of bread a day. I was very determined to succeed in my studies, and NSH took away the burden of needing to ‘hustle’ and beg for food.”

Tshililo was one of six NSH recipients who received their degrees and is now doing her honours in B.Com Accounting.

“The NSH Bursary Programme invests in potential, and supports academic achievers who come from challenging backgrounds,” explains Vicky Simpson, co-ordinator of NSH.

“We promote the success of undergraduate students, enabling them to focus on their studies and not on where their next meal will come from. Successful graduates will have a positive and direct impact on our economy, different communities, and many households.”

The NSH food bursary is awarded to students on the basis of financial need, academic excellence, and the commitment to serve the community. We have helped more than 500 students since 2011, when Prof Jonathan Jansen, Vice-Chancellor and Rector, started NSH.

“These students share amazing stories that inspire us. Many had to endure hardship, but they managed to persevere, worked hard, and made it to university. The ability to buy a meal makes an enormous difference.”

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