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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

Public Protector visited Faculty of Law
2005-09-23

On 21 September 2005 the Public Protector visited the Faculty of Law.  This event took place at 10:00 in the Senate Hall of the CR Swart Building, after which a light lunch was served for the delegates and staff of the Faculty.

The purpose of the visit was to spell out the roles, functions and powers of the Public Protector, to promote public awareness and transparency and to increase contact between the Faculty and the Public Protector.  Sufficient time was allowed to answer all the questions posed by various parties, and brochures were made available.

All law students and staff members of the Faculty were invited to the occasion.  The presentations also included information regarding career possibilities for students with the Public Protector’s office.  This organization is more than willing to involve students in community service projects and would keep in contact with the Faculty in this regard.

All the representatives of the Public Protector’s office who visited the Faculty are in the law profession:

The following persons made presentations:

Mr P Nthotso:  Independent Complaints Directorate
Ms L Mdalane: Directorate of Special Operations – Scorpions
Ms M Thetlhu: South African Human Rights Commission
Mr A Madiba:  Office of the Public Protector.

The persons mentioned above were accompanied by their supervisors, viz. Mr L Mashee (Head Public Awareness, Free State) and Ms SD Griessel (Provincial representative for the Public Protector, Free State).  A further two employees of the Public Protector attended as observers, viz. Mr T Kgabeginyane and Mr MR Matlesoane.

The Public Protector functions independently and reports directly to Parliament.

Staff and students found the visit very informative and valuable contacts were made in the process.

 



Back from left:
Ms Michelle Havenga (President of the Faculty of Law's Juridical Society ), Ms Masego Thethu (South African Human Rights Commission), Ms  Lebo Mdalane (Directorate Special Projects of the Scorpions) and Mr  Pieter Nthotso (Independent Complaints Directorate).
Front from left: Mrs Soné Griessel (Provincial Representative of the Public Protector in the Free State) and Prof Carel van der M Fick (Head:  Department of Criminal Procedure and Philosophy of Law at the UFS Faculty of Law).

 

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