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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

Dean of Law appointed for second term as acting judge in the Free State High Court
2017-02-17

Description: Prof Nicholson  Tags: Prof Nicholson

Prof Caroline Nicholson, Dean of the Faculty of Law

The Dean of the Faculty of Law, Prof Caroline Nicholson, has been re-appointed by the Judge President of the Free State High Court, Judge Mahube Molemela, to serve a full term in 2017 as an acting judge. This will be her second term, as she served in the same position in early 2016, and it is such, a testament to her outstanding work. Her re-appointment is a source of pride not only to the University of the Free State, but the city of Bloemfontein, and the region as a whole.

Since taking up the position of Dean in 2015, Prof Nicholson has demonstrated exceptional leadership, and continues to take great strides in developing the Faculty’s internal and external programmes. “I am delighted that the University has facilitated my taking advantage of this opportunity. During this term, I will be exposed to a diversity of legal matters both civil and criminal, some of which I was not exposed to during my previous acting period. The exposure to the practical aspects of the law from the perspective of the Bench will inform my decisions regarding curriculum review and development, at a time when the faculty is actively engaged in ensuring that curriculum content is both relevant and context-appropriate,” said Prof Nicholson.

She adds that her appointment as acting judge will strengthen the Faculty’s positive relationship with the legal profession and, especially with the Bench. It will also benefit the Faculty, its staff and students.  In 2015, the Faculty partnered with the International Association of Women Judges (Free State Chapter), to host a dinner, which will be hosted again this month. The association brought to the fore new ventures into the involvement of women judges in an advisory capacity and sharing of expertise. In 2016, members of the association began to enact this role.

Judge Molemela and Judge Azhar Cachalia of the Supreme Court of Appeal accepted appointments to the Advisory Board of the Free State Centre for Human Rights. Judge Khalipi “Jake” Moloi of the Free State High Court in Bloemfontein, gave trial advocacy tips to teachers, coaching the Schools Moot Court Competition. Prof Nicholson said: “It is hoped that more opportunities will arise to increase interaction between students and the judiciary, both are eager for this to happen. I am also learning a great deal and am once again enjoying the collegial and supportive environment that my colleagues create at the High Court.”

Prof Nicholson holds an LLD from University of South Africa, and has published several research articles in accredited journals, with a special interest in Family Law and children’s rights.

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