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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

“Every journey begins with the first steps” – Marguerite van der Merwe
2016-07-08

Description: Marguerite van der Merwe Tags: Marguerite van der Merwe

Marguerite van der Merwe, recipient of University of the
Free State Chancellor’s Medal, with Chancellor
Dr Khotso Mokhele, at the Winter Graduation ceremony.

Photo: Johan Roux

Marguerite van der Merwe has dedicated her life to the enrichment and increased quality of life for others. At the University of the Free State’s Winter Graduations on 30 June 2016, Van der Merwe and her brother, Anthony Douglas Osler, were both honoured with Chancellor’s Medals for exceptional service to South Africa and the world beyond our borders. In the early 1980s, she learned about the Alexander Technique and her life since then has been about perfecting the technique and sharing it with others. The Alexander Technique teaches people of any age, gender, occupation or interest, how to be posture-aware and perfect, how to be aware and alert, and how to be calm and discriminating, all of which are part of a practical teaching to integrate these qualities consciously into all our daily human activities.  

She walks the walk

She understood the Alexander Technique to be the perfect way to develop the body both physically and mentally, as it develops the higher mental faculties like focus, attention, awareness, consciousness, discrimination, and unfolding of the psyche, thus developing the human potential holistically as a spiritual way of being. She received her training for the technique in Cape Town and London, thereafter she published The Art of Walking, a guide to the Alexander Technique.

Van der Merwe is an internationally-certified teacher of the Alexander Technique, has been offering this work and its application in the spheres of health, education, and performance skills for 30 years, both nationally and internationally.

Van der Merwe says that the South African higher education system should encompass a holistic approach to teaching and educating. Education should envisage a modern vision of education that supports the evolution of the potential of the human being as a holistic system – a competent, skilled, caring, kind individual, developed in physical, mental, emotional and sensorial aspects. She believes that students thus educated will model ‘wholeness’ and ‘humanness’ as they take their place in society, business, education, and entrepreneurship.

Enriching women’s potential

Apart from The Art of Walking, Van der Merwe published EVE-OLUTION, a book to inspire women to listen to their intuition, and empower women to repossess their bodily wisdom, freedom, and authenticity. Van der Merwe proclaims that it is important to liberate women to take charge of their own bodies, minds, and souls. The purpose of the book is to ensure that young women soak up wisdom and encouragement and for older women to express their wisdom, which needs to be respected and listened to.

“Females and feminine roles in society and family are being liberated and acknowledged in the actions of many women as we stand for equal opportunity, equal power, and equality in many fields,” says Van der Merwe.
“Our young women in business and the higher education fraternity, for one, are strong in their views, beautiful in their presence, outspoken in leadership,” Van der Merwe concluded.

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