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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

First-year students encouraged to attend UFS welcoming function
2006-01-12

The University of the Free State (UFS) will host a welcoming function for all new first-year students and their parents on Saturday 14 January 2006 in the Callie Human Centre on the Main Campus in Bloemfontein.

The function starts at 11:00 and will be addressed by the Rector and Vice-Chancellor of the UFS, Prof Frederick Fourie. UFS staff will also be available to provide vital information to first-year students on academic matters.

According to Mr Vernon Collett, Registrar: Academic Student Services at the UFS, Saturday’s welcoming function can assist students and parents by providing vital information on the many high quality academic learning programmes on offer at the UFS in six faculties.

“If students and parents have this information it will make the registration process, which starts next week Tuesday 17 January 2006, much smoother,” Mr Collett said.

The UFS has split the registration process into various categories of students and Mr Collett appealed to all students to adhere to the dates and times which apply to them as a one-stop service will be available so as to avoid unnecessary delays in the registration process.

The registration of first-time entering first-year students who applied before 30 November 2005 to study at the Bloemfontein Campus will take place from Tuesday 17 January 2006 at the Callie Human Centre.

Senior undergraduate students (that is, students entering their second or later year of study) may register from 23 January 2006.

Postgraduate students, first-time entering first-year students and other students who applied for admission to the main campus after 30 November 2005 must register at the Callie Human from 2 February 2006. 

Late applications will be accepted until Wednesday 25 January 2006 at the Information Centre on the Main Campus’ Thakaneng Bridge. These applications will be regarded as pending and will be processed as places become available on the programme the student has applied for,” said Mr Collett. 

Vista Campus:
The Vista Campus in Bloemfontein – which was incorporated into the UFS in January 2004 – no longer accepts applications from first-year students. Such prospective students had to apply to the UFS Main Campus. Students who had been registered on the Vista campus last year must register at the Vista Campus on the same dates as applicable on the Main Campus.

Qwaqwa Campus:
At the Qwaqwa Campus of the UFS, all first-time entering first-year students must report on Thursday 19 January 2006, after which the registration of these students will take place according to a specific programme. The official welcoming functioning for new first-years at the Qwaqwa campus of the UFS will take place on Saturday 11 February 2006 at 08:00 in the Rolihlahla Mandela Hall on the Qwaqwa Campus.

Mr Collett appealed to first-year students who have applied to study at the Qwaqwa Campus and their parents to attend this function which fulfils the same role as the one held on the Bloemfontein Main Campus.

Detailed information on the dates and times of registration for the various faculties and academic learning programmes is available on the UFS website at www.uovs.ac.za. Prospective students may also call the Main Campus in Bloemfontein on (051) 401-3000 or the Qwaqwa Campus on (058) 718-5000 for more information.

Media release
Issued by: Lacea Loader
Media Representative
Tel: (051) 401-2584
Cell: 083 645 2454
E-mail: loaderl.stg@mail.uovs.ac.za
10 January 2006

 

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