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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

UFS research project aims to stimulate reflection on theological studies
2017-06-20

Description: Book, Theology and post Apartheid condition  Tags: Book, Theology and post Apartheid condition

The first book in the ‘UFS Theological
Exploration’ academic series, called Theology
and the Post(Apartheid) Condition
, has just
been released.
Photo: Supplied

 

The first study book with the title Theology and the Post(Apartheid) Condition, which is part of a new academic series by the Faculty of Theology and Religion at the University of the Free State, is now available. Volume 1, compiled by Professor Rian Venter as editor, is the first book in the ‘UFS Theological Exploration’ academic series, which the faculty plans to release.

Transformation
Professor Venter says the transformation of processes and practices in communicating and creating knowledge has become an urgent task for public universities in a democratic South Africa. Much reflection has already gone into the methods and scope of transformation in higher education.

Although the faculty has done work on the implications of this for theology, there is one area of investigation that has not received much attention. It concerns the role of theological disciplines such as Old and New Testament, Missiology and Systematic Theology and Practical Theology, and specifically the relationship between academic disciplines and societal growth. The book focuses on these challenges and contains the intellectual undertakings of the contributors who are all lecturers, research fellows and post-graduate students linked to the faculty.

The questions
The key questions addressed are: what are the contours of the (post)apartheid condition and what are the implications for responsible discipline practices in theology. Professor Venter says the chapters in the book are logically arranged and moves from wider to more specific concerns. The first three chapters suggest broad perspectives on the challenges for theology in higher education, chart the changes, and make some suggestions for the future.

A dynamic field of study
The book states that theology has already experienced profound and radical changes over the past decade, which is known to us. All the chapters demonstrate these fundamental shifts, which have taken place in all theological sub-disciplines. Professor Venter says the contributions in the book illustrate that theology is a dynamic field of study, and is pursued with enthusiasm and commitment. Not all disciplines in theology are investigated for the book. However, the studies reflect the interests of the theologians in the Faculty of Theology at the UFS. Professor Venter hopes that the volume might stimulate further reflection of a similar nature by other theologians.

New insights
Through the ‘UFS Theological Exploration’ research series, the faculty hopes to stimulate new insights and new developments in academic progress and overall human growth. Series editor Professor Francois Tolmie says it is a fact that strong university research is necessary to achieve academic progress and advance human prospering. He says the faculty's research series will make a valuable contribution to these causes. Professor Tolmie says the ‘UFS Theological Explorations’ contains research of the highest academic standard which has been peer-reviewed to make significant educational contributions to core theological issues in South Africa and overseas.

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