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20 December 2022 | Story Gerda-Marié van Rooyen | Photo Supplied
Crystal-Donna Roberts
Crystal-Donna Roberts is a multifaceted lady. She appears regularly in soaps and is now a published author too. Speurder Sammi, an Afrikaans book written for early teens, explores themes such as anxiety, trauma, and pain.

She loved mysteries from a young age. Growing up, Crystal- Donna Roberts was fond of Columbo and Murder she wrote. Roberts, who graduated with a BA Drama and Theatre Arts in 2005, says she had always liked the tricky puzzles Scooby-Doo and Nancy Drew had to solve. She eagerly joined them on their missions page by page. Being an actress and having a busy schedule in front of cameras, Roberts actively decided to put time aside last year to write while participating in the Jakes Gerwel mentorship programme for upcoming authors. A lifelong dream came true when she wrote her debut novel, Speurder Sammi: Die blou steen (Detective Sammi: The blue stone). Tafelberg published her mystery-based story, which Roberts launched in September.

“Sammi is a teenager who lives with her artist aunt Valerie. The duo went on holiday visiting Oumie and Dedda in the Northern Cape. Although Sammi will miss her friends, April and Lerato, she is looking forward to a change of scenery. It will also distract her mind from the anticipation of waiting for acceptance at an art school she fancies. However, rural towns are full of surprises – and chancers.”

“There are teenage memories we seldom forget. The memory of growing pains is still vivid in my mind. I recall it and draw inspiration from it.”

Roberts doesn’t have set rituals when she writes. “I allow myself to do what my body and soul likes. Sometimes this means simply sitting down and enjoying a cup of tea.” Looking back on her fellowship, she discovered her love for creating new worlds and allowing the story to develop a storyline of its own. “I’ve learned I still have a lot to learn – this excites me. I also learned the importance of deadlines, even though they are scary.”

The former UFS student says she chose the Northern Cape as the setting for her story as it is one of the most beautiful parts of our country. “It is one of the prettiest parts of our country. I wanted my character to explore new horizons, but to remain between her loved ones when she goes through her healing and strengthening process.” Although Roberts is determined to write her second book, the details are still unknown. In the meantime, she enjoys reading Walter Russel’s The Secret of Light. She draws inspiration from Andrew Davidson’s The Gargoyle. “Apart from the story that deeply resonates with me, I can appreciate the detail in the story and Davidson’s writing style.”

To enquire about stockists selling Speurder Sammi, visit www.nb.co.za.


Presenter and television, theatre and film actress, Roberts is currently starring in kykNET’s drama series, Fraksie. She is also known for her roles in 7de Laan, Getroud Met Rugby, Montana, Vallei van Sluiers, Krotoa, and The Endless River.

News Archive

Water erosion research help determine future of dams
2017-03-07

Description: Dr Jay le Roux Tags: Dr Jay le Roux

Dr Jay le Roux, one of 31 new NRF-rated
researchers at the University of the Free State,
aims for a higher rating from the NRF.
Photo: Rulanzen Martin

“This rating will motivate me to do more research, to improve outcomes, and to aim for a higher C-rating.” This was the response of Dr Jay le Roux, who was recently graded as an Y2-rated researcher by the National Research Foundation (NRF).

Dr Le Roux, senior lecturer in the Department of Geography at the University of the Free State (UFS), is one of 31 new NRF-rated researchers at the UFS. “This grading will make it possible to focus on more specific research during field research and to come in contact with other experts. Researchers are graded on their potential or contribution in their respective fields,” he said.

Research assess different techniques
His research on water erosion risk in South Africa (SA) is a methodological framework with three hierarchal levels presented. It was done in collaboration with the University of Pretoria (UP), Water Research Commission, Department of Agriculture, Forestry and Fisheries, and recently Rhodes University and the Department of Environmental Affairs. Dr Le Roux was registered for 5 years at UP, while working full-time for the Agricultural Research Council – Institute for Soil, Climate and Water (ARC-ISCW).

Water erosion risk assessment in South Africa: towards a methodological framework
, illustrates the most feasible erosion assessment techniques and input datasets that can be used to map water erosion features in SA. It also emphasises the simplicity required for application at a regional scale, with proper incorporation of the most important erosion-causal factors.

The main feature that distinguishes this approach from previous studies is the fact that this study interprets erosion features as individual sediment sources. Modelling the sediment yield contribution from gully erosion (also known as dongas) with emphasis on connectivity and sediment transport, can be considered as an important step towards the assessment of sediment produce at regional scale. 
 
Dams a pivotal element in river networks

Soil is an important, but limited natural resource in SA. Soil erosion not only involves loss of fertile topsoil and reduction of soil productivity, but is also coupled with serious off-site impacts related to increased mobilisation of sediment and delivery to rivers.

The siltation of dams is a big problem in SA, especially dams that are located in eroded catchment areas. Dr Le Roux recently developed a model to assess sediment yield contribution from gully erosion at a large catchment scale. “The Mzimvubu River Catchment is the only large river network in SA on record without a dam.” The flow and sediment yield in the catchment made it possible to estimate dam life expectancies on between 43 and 55 years for future dams in the area.
 
Future model to assess soil erosion
“I plan to finalise a soil erosion model that will determine the sediment yield of gully erosion on a bigger scale.” It will be useful to determine the lifespan of dams where gully erosion is a big problem. Two of his PhD students are currently working on project proposals to assess soil erosion with the help of remote sensing techniques.

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