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

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

Minister praises MUCPP initiative

2004-10-04

The Minister of Labour, Mr MMS Mdladlana, singled out the Mangaung University of the Free State Community Partnership Programme (MUCPP) for high praise during a conference at the MUCPP complex on 30 September 2004 .

“I am very pleased with what the partnership of different stakeholders can do and I thank all stakeholders for contributing to this initiative. This is the kind of energy that our country needs,” the minister told delegates to the conference.

He said the MUCPP was a very unusual and important partnership that is related directly to the mandate of government and supports two strategic objectives of government, namely halving poverty and halving unemployment.

The MUCPP was launched in 1991 as a partnership between the University of the Free State , the local community of Mangaung, local and provincial government and the private sector, in an effort to develop skills and contribute to fighting poverty.

Some of the existing projects of the MUCPP include:

Health centre (including a 24-hour maternity ward)
Dairy producing yoghurt and amasi
Sewing and knitting project
Indigenous food production (Tsa se tso)
Bakery
Bed and Breakfast accommodation
Etsa phapang (a hydroponic facility growing various vegetables)
Welding project
Low cost housing project
Sport and recreation facilities and programmes

According to the Minister, hundreds of young people, adult learners and people with disabilities have benefited from training and skills development and have become involved in carpentry, welding, painting, cleaning services, gardening and HIV / AIDS awareness programmes.

Minister Mdladlana said he was pleased that through partnerships with several Sector Education and Training Authorities (SETAs) which fall under the Department of Labour, the MUCPP could access hundreds of thousands of rands for such training and development.

“I can just salute those that have made it possible, and to encourage you to keep up the good work,” the minister said.

The MUCPP also provides a means for students of the UFS to render community service. The UFS was one of the first universities in South Africa to adopt a comprehensive community service policy in 2002. In terms of the policy, community service is integrated into curricula through service learning modules.

It is therefore of great importance that the UFS should support community sites such as the MUCPP where a holistic and integrated approach to mutual and reciprocal development of all partners is followed.

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