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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

Democracy and political tolerance truly thrive during Qwaqwa Campus SRC elections
2016-09-16

Description: 2017 SR Qwaqwa  Tags: 2017 SR Qwaqwa

The newly-elected SRC President of the Qwaqwa
Campus, Njabulo Mwali (left), being congratulated
by his predecessor, Paseka Sikhosana.
Ph
oto: Thabiso Gamede

Voter turnout during the recent SRC elections among the best in the country at over 60%

The 2016-2017 Qwaqwa Campus SRC elections have once again proven that democracy and political tolerance are truly thriving on the Qwaqwa Campus. This was evidenced by the calm surrounding the highly contested elections ever.

According to Mandla Ndlangamandla, Electoral Committee Chairperson, this year’s elections were highly contentious, yet with a high level of tolerance.

"We only had two political structures, namely the South African Democratic Student Movement (Sadesmo) and the South African Student Congress (Sasco), but the level of engagement was really commendable,” he said.

“Of the 4 200 registered students on campus, more than 2 500 cast their votes in their quest to influence student leadership and governance to advance student aspirations," said Ndlangamandla during the handover ceremony.

In accepting the leadership baton from his predecessor, Paseka Sikhosana, the new President, Njabulo Mwali, said his immediate goal was to unite all students behind the new leadership.

In acknowledging the role student governance can play in developing the campus, the Acting Campus Principal, Teboho Manchu, said the campus was proud to have a student leadership that would always keep the interests of their constituency on top of their agenda.

“We will definitely work hand-in-hand with the new student government. In case of any disagreements, please note that you have the right to take up any such matters with the top management of the university in order to advance the entire student body,” he added.

The 2016-2017 Qwaqwa Campus SRC is as follows:

LIST OF SRC MEMBERS 2016-2017

Elective Portfolios

 

Name and Surname

Portfolio

Njabulo Mwali

President General

Siyabonga Ngubo

Deputy President

Joy Mapule Motloung

Secretary General

Bongela Nyandeni

Treasurer General

Mpumelelo Tshabalala

Politics and Transformation

Nomcebo Mqushulu

Media and Publicity

Ntokozo Michael Masiteng

Student Development and Environmental Affairs

   

Ex Officio Portfolios

 

Khulani Mhlongo

Arts and Culture

Polaki Mazibuko

Academic Affairs

Ntokozo Mbali Thango

Sports Affairs

Motlatsi Lisley Lebona

Religious Affairs

Sandile Ntamane

Residence Affairs

Itumeleng Chefter

RAG Comm. and Dialogue

Thulebona Thomas Khumalo

Off-campus

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