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02 August 2022 | Story Leonie Bolleurs | Photo Leonie Bolleurs
Alistair Naidoo, second-year master’s student in Conservation Genetics and full-time technician in the Department of Genetics; Prof Paul Grobler, Head of the Department of Genetics; Prof Gordon Luikart; and Hannah Janse van Vuuren, third-year master’s student in Conservation Genetics.

It is an important and exciting time to be doing research in conservation genetics. This is according to Prof Gordon Luikart, Professor of Conservation Ecology and Genetics at the Flathead Lake Bio Station at the University of Montana in the United States. 

Prof Luikart, whose primary research focus is the application of genetics to the conservation of natural and managed populations, recently delivered a lecture, The Expanding Role of Genetics/omics in Wildlife Research and Conservation, on the Bloemfontein Campus of the University of the Free State (UFS). The lecture, hosted by the Department of Genetics, was attended by a group of students and lecturers in conservation and a number of related fields. 

He is one of the leading scientists in the field of conservation genetics, including integration of genomics in conservation projects. He is also co-author of the textbook Conservation and the Genomics of populations – the current prescribed textbook for GENE3744.

Species threatened with extinction

In 2008, the International Union for Conservation of Nature (IUCN) stated that approximately 10-20% of all vertebrate and plant species are threatened with extinction over the next few decades. In 1984, American biologist Edward O Wilson also said that it will take millions of years to correct the ongoing loss of genetics and species diversity caused by the destruction of natural habitats. “This is the folly our descendants are least likely to forgive us.”

Prof Luikart is of the opinion that genetics has enormous potential to help manage wildlife and prevent extirpation. “My research works to realise this potential and help wildlife managers conserve populations and ecosystems,” he says. 

Conservation managers and biologists have understood the risks of inbreeding for more than 100 years. In his lecture, one of the aspects of genetic conservation he focused on, was the negative effects of inbreeding and how this can be reversed using genetic rescue. 

With the genetic rescue study, they found that the gene flow into recently isolated populations can increase individual fitness and population growth. He proposed that conservation managers should consider genetic principles and rescue as practical and important tools. 

Prof Luikart also provided a list of information that can be retrieved from molecular genetic data to help conservation managers. This includes intel on census and effective population size, gene flow and dispersal, local adaptation and selection, forensics, genetic identification and law enforcement, and disease ecology and transmission. 

Non-invasive genetic monitoring

In terms of detecting gene flow, he focused on a study about non-invasive genetic monitoring that was conducted in the Yellowstone Park. Prof Luikart and a group of students collected the shed hair and faeces of the grizzly bear, obtained from trees and hair traps, which were used as a source of DNA. 

They established, for instance, that inbreeding depression is more common and stronger than previously thought in natural populations. Genetic monitoring, using non-invasive methods as described, has been found to be an effective tool that conservation managers should consider for detecting inbreeding and loss of genome-wide variation.

His research on the bighorn sheep, the alpine ibex, and the black bear informed most of the findings he discussed during his lecture.

News Archive

‘Sola Scriptura’ — Does Scripture still reign as authority?
2017-02-21

Description: Theology Open Day Tags: Theology Open Day

Thania Labuschagne, Nico Oosthuizen, and
Suthea van der Westhuizen.
Photo: Supplied


Reformation 500: Sola Scriptura [scriptural authority] and contemporary conflicts of interpretation was the theme for the Faculty of Theology and Religion’s official opening and annual Open Day on the Bloemfontein Campus of the University of the Free State (UFS). The faculty was recently renamed to be more inclusive of other denominations, as well as to be sensitive to the impact religion has on society, both in the past and presently.

In his welcoming address to first-year students, Prof Fanie Snyman, Dean of the Faculty of Theology and Religion, said, “I hope that you indulge in the theological dish served to you, and that it will create in you a deep hunger to know more.”

One first-year, Neo Kgaje, had this to say, “I first wanted to do Archaeology, but then I decided to follow my calling as a missionary and study Theology. I would like to serve in my own community in Botshabelo.”

Thania Labuschagne, former chairperson of the Sola Gratia student association, said, “The annual opening is always very special for me. We become part of a family here.” Her message for first-years was, “Maintain your passion for what you do. Make sure of your calling, and everything else will fall into place.”

Prizes awarded
Prizes were awarded to several students who excelled in the previous year. The best third-year student in 2016 was Suthea van der Westhuizen; best fourth-year BTh student, Thania Labuschagne; and Nico Oosthuizen was recognised as the best Master of Divinity in the fifth year.

The Director of Shepherd Centre for spiritual leaders, Dr Gerhard Botha, awarded certificates for the completion of a 9-module short learning programme presented by the centre.

"May you hunger to know more"—
Prof Fanie Snyman, Dean of the
Faculty of Theology and Religion

Current affairs addressed through scriptural analysis
While acknowledging that the debates around the authority of Scripture are complex and not easily resolved, Prof Hendrik Bosman from the Faculty of Theology at Stellenbosch University (SU) argued that it is an indispensable precept of Christian theology. However, it can no longer be taken as a given, since the authority of Scripture is increasingly vulnerable. He said, “Sceptic academics and critical theologians are challenging the more traditional ways of accepting the authority of Scripture.”

Prof Bosman highlighted the negative impact that certain claims of scriptural authority have had on the marginalised and vulnerable groups in society — “the suffering endured by people of colour, Jews, the LGBTQI community, and women due to prejudice and hatred. … [When reading the Bible], one must also be held accountable by the marginalised and the vulnerable in society.”

Prof Juliana Claassens (Faculty of Theology, SU) presented Beyond Revenge: Responsible Bible Reading Practices in a Traumatised Land. “As a community of believers who hold dear the principle of Sola Scriptura, what do we do with texts that revel in the downfall of the enemy and propagate revenge as a viable solution to the hurt and pain people are experiencing?”

Prof Claassens continued, “This question is particularly relevant given the deep wounds that many in this beautiful country of ours carry. … There is thus a real danger that expressions of violence survive and grow ever stronger with each utterance, until the violent ideas they propagate are considered to be normal.” Her recommendation? “Foster communities of care, focused on breaking down walls, instead of erecting them.”

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