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Students hear from textbook writer about conservation genetics

02 August 2022 | Story Leonie Bolleurs | Photo Leonie Bolleurs

Genetics lecture — 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

UFS takes 70 first-year students to the USA

2010-08-20

Mr Rudi Buys (middle, with tie) with some of the students selected for the F1 Programme
Photo: Gerhard Louw

The University of the Free State (UFS) has announced the names of the first ever group of 70 first-year students that will travel to the United States of America (USA) as part of the university’s Student Leadership Development Programme.

This group of students will spend two weeks at universities in the USA to experience student life and learn about leadership and diversity at these universities.

“This is a first for not only the UFS, but also for South Africa and we are incredibly proud. The programme is unique to any other student leadership development programme in the country. We are leading the way and are taking students to live and learn amongst students at various universities across the USA,” said Mr Rudi Buys, Dean of Student Affairs at the UFS.

The programme was one of the goals of Prof. Jonathan Jansen, Rector and Vice-Chancellor of the UFS, which he aimed to realise when he was appointed by the UFS in 2009.

“With the programme we want to develop participants’ thinking and capacity to lead in the contexts of diversity and change and we hope to direct them to programmes leading change in student life in general upon their return,” Mr Buys said.

The 70 students will leave for the USA on 22 September 2010. After spending some time there and learning more about their American peers’ lives and culture, they will return to the UFS on 7 October 2010.

“We took great care in selecting the 70 participants. They are representative of all our students, as well as students from our Qwaqwa Campus,” said Mr Buys.

A rigorous selection process was followed, which focused on the students’ academic excellence, their participation in student- and residence-life programmes and their interest in growing in the areas of, amongst others, leadership, diversity and citizenship. Each candidate had to undergo a pre-selection process, followed by a panel interview consisting of staff from various faculties and divisions at the UFS.

The students will stay in groups of about ten at the various universities, which include universities such as Cornell University, New York University, the University of Massachusetts, the Appalachian State University and Virginia Polytechnic University. “These universities will provide our students with accommodation and will present various academic and cultural programmes which our students will participate in and learn from,” said Mr Buys.

“We have also put a programme in place to prepare our students thoroughly for the trip. Because some of them have never travelled on an aeroplane, let alone travelled to a foreign country, we have made arrangements with the Department of Home Affairs for assistance with travel documentation, as well as special arrangements with the USA Embassy for assistance with visas. They will also be attending workshops focusing on, amongst others, research, leadership and diversity before their departure on 22 September 2010.

“Upon their arrival in the USA the group of students will firstly be taken to Washington DC where they will be briefed about American customs, etc. From there they will be placed at the various universities,” said Mr Buys.

Upon their return the students must be involved in student-life programmes on campus, establish volunteer programmes and initiate and establish mentoring programmes for their fellow students. “We want them to give back what they have learnt and experienced,” said Mr Buys.

“We are planning on implementing the Student Leadership Development Programme as an annual programme and are looking forward to this incredible programme through which this group of first-year students will have the opportunity of a lifetime to be true ambassadors of South Africa and, in particular, the UFS, as they leave for the USA,” he said.

Media Release:
Mangaliso Radebe
Assistant Director: Media Liaison
Tel: 051 401 2828
Cell: 078 460 3320
E-mail: radebemt@ufs.ac.za
20 August 2010

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