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Curiosity about environmental changes drives Dr Katlego Mashiane’s PhD research

21 April 2023 | Story Leonie Bolleurs | Photo Supplied

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 receives several awards for communication projects

2014-11-26

Staff from the Department of Communication and Brand Management received five awards at MACE 2014. From the left are: Leonie Bolleurs (Excellence awards for the Internet Broadcast Project and the B Safe safety campaign), Lacea Loader, Director of the Department of Communication and Brand Management, Lelanie de Wet (Excellence award for the #FaceOfFacebook social media campaign and Merit award for the Redesign of the UFS website) and René-Jean van der Berg (Merit award for the No Student Hungry media campaign).
Photo: Hannes Pieterse

The Department of Communication and Brand Management at the University of the Free State (UFS) received several national and international awards for communication campaigns and projects this year.

On international level, an audit of the university’s stakeholders received the Jake Wittmer award for research in communication from the International Association of Business Communicators

(IABC), a merit award in the category communication and research management from the IABC, a 2014 IABC Africa Gold Quill award and a bronze medal from the International Business Association (IBA). Furthermore, the audit was a finalist in the Golden World awards (GWA) of the International Public Relations Association (IPRA). The Bult magazine also received a bronze medal from the IBA.

Staff from the department also walked away with five awards at this year’s Marketing, Advancement and Communication in Education (MACE) Excellence awards, which formed part of the annual MACE congress held at Sun City from 13-15 November 2014. Some 185 communication, marketing and institutional advancement practitioners from across South Africa attended the event.

Lacea Loader, Director of the Department of Communication and Brand Management, says: “The national and international recognition from our peers in higher education, as well as from the industry, is of exceptional value to us and I am delighted that the standard of our projects and campaigns could be benchmarked in this way.”

The UFS received awards from MACE for excellence in:

- Internet Broadcast Project (category: audiovisual)
- #FaceOfFacebook social media campaign (category: social media)
- B Safe safety campaign (category: integrated campaigns)

Merit awards were presented to:

- Redesign of the UFS website (category: electronic media)
- No Student Hungry media campaign (category: media)

Mace fulfils a leadership role in the Higher Education (HE) and Further Education and Training (FET) sectors within Southern Africa by adding value to practitioners in marketing, communication and advancement through high-quality development programmes, facilitating networking partnerships and transformation, as well as promoting best practices among these professions at member institutions.

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