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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

Qwaqwa Campus Open Day a big success
2013-08-12

 

12 August 2013
Photo: RooistoelTV

   Open Day video clip (YouTube)

Thousands of learners in their colourful uniforms descended on the UFS Qwaqwa Campus to attend Open Day 2013.

This annual event enables learners and community members to know more about the study programmes that the campus offers as well as information regarding financial aid opportunities, sports and culture, health and wellness, residence life, amongst others.

During the formal welcome session, the learners were given a better understanding of what the university is all about.

Campus Principal Prof Prakash Naidoo gave the learners what he referred to as the top reasons why all the students in attendance would find it attractive to enrol with the Qwaqwa Campus in 2014.

“We have a diverse culture where everybody feels welcomed. We are also the fastest transforming university in the world. Our unique UFS101 learning programme teaches you about life in general. There’s no doubt that we have the best Vice Chancellor and Rector in Prof Jonathan Jansen,” Prof Naidoo said.

In encouraging learners to work harder in order to achieve the goals that they had set for themselves, Dr Elsa Crause, Campus Vice Principal: Academic and Research, emphasised on the importance of reading. “Reading and studying hard are important if you are to succeed in life. For you to achieve the best and to make your student life interesting, you must read as much as you write,” she said.

After the formal welcome session that included entertainment by students, the learners were ushered to various faculties and departments to give them first-hand experience of what it feels like to be a Kovsie.

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