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03 January 2020 | Story Leonie Bolleurs | Photo Leonie Bolleurs
Research read more
Dr Sandy Steenhuisen conducts research on invasive alien plants and the effect they have on the environment.

South Africa, and more specifically the Free State, is known as a drought-stricken area. Invasive alien plants are gulping up much-needed water resources, draining our land. 

Pollination ecologist, Dr Sandy-Lynn Steenhuisen, who is also expanding into invasive alien research, is conducting research on the reproductive ecology of exotic plant species in montane grasslands. As an affiliate of the Afromontane Research Unit (ARU) and Senior Lecturer in the Department of Plant Sciences at the University of the Free State (UFS), this research is conducted with her students and a host of collaborators from Rhodes University (Centre for Biological Control), Stellenbosch University (Centre for Invasion Biology), and the University of KwaZulu-Natal.  

She says substantial funding is being made available for research on invasive species due to the extent of the problem nationally and globally. Their research is being funded and conducted in collaboration with plant ecology experts, Dr Kim Canavan (Rhodes University), Dr Grant Martin (Rhodes University), Prof David Richardson (Stellenbosch University), and Prof Colleen Downs (University of KwaZulu-Natal), as well as UFS postgraduate students Anthony Mapaura and Lehlohonolo Donald Adams, and UFS postdoctoral fellow, Dr Nicholas Le Maitre. 

Besides working with a host of collaborators, the ARU was this year also invited to join the prestigious Mountain Invasion Research Network (MIREN), a global network of academics who are passionate about understanding the invasion of mountains by non-native species and its impact on local mountain ecologies.  

Black Wattle makes rivers run dry 

Alien plant species that often escape from planted gardens or plantations, thrive in disturbed, mismanaged and eroded areas. One of the biggest issues regarding alien plant invasion is that many people are not aware of the harmful effects it has on the environment, and that they continue to plant it or allow invaders to spread. 

A large percentage of trees in urban South Africa are invasive alien trees. They dry out the soil and displace our native plants. Coming from other countries and without their former enemies or competitors, they flourish. Our indigenous plants are not used to these plants and are easily displaced.  

An example of a very aggressive invasive alien plant in the region, and in South Africa as a whole, is Black Wattle. It uses excessive water, so bad that rivers run dry and riverbanks become eroded. It also chemically excludes many native plants from growing among them. 

Research content 1
Anthony Mapaura’s research focuses on Nassella, an invasive alien grass in the elevated areas of the Eastern Cape mountains.
This plant is extremely difficult to control and is the cause of a large number of  cattle dying. (Photo: Leonie Bolleurs)

This species is very hard to control. If you burn it or cut it off, it will grow back. In addition, it drops a great number of seeds into the soil, spreading without any difficulty.  

Another invader, Yellow Firethorn, which is being investigated by master’s student Adams, invades high-elevation grassland areas, reducing grazing potential and ultimately leading to unproductive farmland and choked rivers.  

“Our mountain grassland systems are not adapted to compete with the invasion of these alien trees. Since they are using excessive water resources, natural streams should return in many instances if they are removed,” says Dr Steenhuisen. 

Nassella displacing indigenous plants 

Mapaura focuses his doctoral study on an invasive grass genus, Nassella, originating from the Americas. Growing in the elevated areas of the Eastern Cape mountains, this species is the cause of a large number of cattle dying.  

The plant, which is not palatable and consists mostly of fibre, is eaten by cattle – especially during dry seasons when there is not much natural grazing available. It is difficult to digest, forming a ball in the stomach of the animals that ultimately results in death.  

“It is extremely difficult and costly to control, and natural grasses cannot compete with it. In Australia, many farmers have had to abandon their farms once these plants invaded, as the cost of control was higher than the value of the land. A similar situation could unfold in South Africa, and it’s a race to learn all we can about the ecology of this genus to inform policy and practice,” says Dr Steenhuisen. 

The solution, fighting for survival 

She said to effectively address these invasions, we need to understand everything about the reproductive ecology of the plants to develop specific biological or chemical control methods to target and destroy the plant at an appropriate life stage. We also need to know if the plants are using native animals (if not just wind and water) to pollinate their flowers and spread their seeds. “Organisations investigating the effectiveness of biological control agents and chemical products will be able to use our research data on the plants’ ecology to focus efforts on specific life stages,” she adds. 

Invasive alien plants also contribute to South Africa losing the genetic integrity of certain native plants with which they hybridise. For example, pure genetic lines of native white stinkwood trees are potentially mixing with exotics and hybrids, adding to a loss of diversity and genetic purity – a project being undertaken by postdoctoral fellow, Dr Le Maitre.  

Dr Steenhuisen urges South Africans to plant the genetically pure South African white stinkwood trees, especially since alien species and hybrids are often sold by garden centres as if they were the indigenous species.  

Dr Vincent Ralph Clark, Head of the Afromontane Research Unit at the UFS, has a vision to start a nursery for high-elevation indigenous plants. “A great number of nurseries do not supply pure indigenous trees, but hybrids,” says Dr Steenhuisen.  

 

News Archive

Questions about racial integration in residences answered
2007-07-31

Answers to frequently asked questions about the racial integration of student residences at the UFS

1. Why does the UFS want to change the current situation in the student residences?

There are many reasons why a new approach to placement in the student residences is necessary. However, the main reason is of an educational nature. As a university, the UFS should create an environment in its residences where students can learn to appreciate and respect the rich diversity that is on offer at the university. A university accommodates students from many different backgrounds in terms of race, language, religion, economic status, culture and other aspects. If a student can learn to appreciate the value in this rich diversity at university, he or she will also be able to appreciate the value of this diversity in the workplace and broader society.

The current situation of predominantly white and predominantly black residences has not been able to cultivate such an appreciation for diversity and respect for one another as human beings, and will not equip students with the knowledge and skills required to manage diversity.

Besides this, there are many other areas of life in the residences that need attention. For one, we need to urgently establish a human rights culture in the residences so that the rights of all students can be respected. We need to address the abuse of alcohol, provide disabled students with their rightful place, and last but not least, really entrench a culture of learning in student residences.

Let us make the residences places we can be proud of – places of learning, of diversity, of respect; places of growth and development. This is the ideal we should all strive to achieve.  

2. Why does the management want to force us to integrate?

It is a false argument to debate the issue in terms of “force”. Any decision by a University, or any other organisation, regarding matters of policy, rules and regulations implies a restriction on the choice of an individual and an obligation to comply.  What we should focus on is whether this decision of the Council is in the best interests of our students.

The management of the university believes that it has a responsibility to give students the best education possible, not only in terms of what you learn in the lecture rooms, but especially in the residences as well. The residences can be very powerful places of learning about matters of great importance, both academic and non-academic.

The parallel-medium language policy separates students into largely white/Afrikaans and black/English classes. Efforts are being made to bridge this divide in the classroom, but we can also try to eliminate it in the residences.

The university is committed to building a new culture for the entire institution that is based on values and principles – such as an academic culture, non-racialism, respect for human rights and diversity – among staff and students.

In the context of student residences, the application of these values and principles still allows substantial room for the voluntary exercising of choice by individuals as well as by Residence Committees, notably with regard to the placement of students (they can still place 50 percent of first-year students), as well as the determination of the future character and traditions of a diverse residence.

Furthermore, students can still choose their residences (subject to availability of places), can choose a roommate, and so forth.

3. What about freedom of association?

The rights we enjoy in a democracy must be balanced against other rights, as well as the laws of the country. This means that the right to freedom of association must be balanced against laws that make it illegal to discriminate against other people on the basis of race, language or religion, for instance.

Freedom of association pertains to the right of individuals to form voluntary organisations such as clubs or private boarding houses, or their right to join or not join existing organisations.  You exercise that right when you decide to become a student of the UFS, and again when you choose to live in one of its residences.

However, once you have decided to join an organisation voluntarily, you cannot subsequently demand that that organisation should provide a “club” or residence to your liking where, for instance, you only associate with your choice of co-members. You must accept the policies of that organisation.

In any case, how would that right of yours be balanced against the right of another individual who wishes to associate with a different set of co-members? (For instance – what about the freedom of a student to associate with students NOT from his own background, but indeed from another language, cultural, racial or economic background?) 

The constitutional right to freedom of association can, in any case, not be used to exclude or discriminate on the basis of race or religion (Section 18 of the Bill of Rights).

Besides, the new policy guidelines will still make provision for freedom of association. This right can be exercised freely within a diverse residence with regard to friendships, joint academic work, socialising, sport, etc.

4. Will residences not lose their traditions?

The University appreciates that there are many valuable elements of tradition in residences. However, we must bear in mind that the traditions and character of student residences have evolved and changed over time, and they will continue to evolve and to change. In addition, we do not need to accept all aspects of residence life purely on the basis of tradition, including the unacceptably high level of alcohol abuse and unsavoury, humiliating and discriminatory orientation practices. The new approach to integrated residences provides the opportunity to retain the positive aspects of the current traditions and character, but also to develop new traditions and give residences a new character.

We can now establish a tradition and a character for each residence that are reconcilable with the values of the University as a place of scholarship and are aligned with the human rights approach of our country’s Constitution, the laws of our country and the strengths and diversity of the students in a particular residence.

5. Have students been involved in this process? Is there a role for them to play after the decision has been taken by the Council of the UFS?

In the first semester of 2007, during two rounds of consultations, the primes, SRC and student organisations were consulted about the proposed new placement policy to increase diversity in residences. Some residences also made written submissions on the matter (such as Madelief, Soetdoring, Wag-'n-bietjie, Vergeet-my-nie, Emily Hobhouse). Other residences requested and were granted more time, but did not make any submissions in the end (such as Reitz and Armentum).

Management also had several meetings with the above-mentioned structures to hear first-hand from students their concerns and solutions regarding possible challenges presented by integration in residences.

During these interactions, several excellent ideas and proposals were put forward by students. These views had a definite impact on the eventual proposal that was taken to the University Council, in particular regarding the minimum level of diversity (30%) in junior residences and the fact that residences still want to have a say in the placement of students, rather than the placement decision being left in the hands of Management alone (hence the 50% placement portion of residences). Management values the effort that was put into the process by the primes and residence committees, and thanks them for their contributions.

However, it should be stressed that consultation should not be understood as a process of negotiation, nor does it imply that consensus must be reached. What it means is that Management must take a considered decision after hearing the views of stakeholders.

Management would like students to continue to provide input and ideas regarding the implementation details of the policy guidelines. Task teams have been established and students will be informed about how they can interact with the task teams on an ongoing basis.

6. But integration in the residences was tried in the past (in the late 1990s), and then it failed. Why will it work now?

Yes, the University of the Free State did integrate its residences as far back as 1993, and for a few years it worked. The UFS did it at that time and is now doing so again, because it is the right thing to do. Yet it is important to understand why the previous attempt at racial integration in residences was not successful.

Firstly, both black and white students were much polarised because of the apartheid past. Secondly, there was insufficient management support for students in the residences, the student leaders generally as well as residence heads, in terms of dealing with diversity and related issues. Thirdly, the institutional culture of the UFS and the residences in particular was not addressed as part of broader transformation and integration in residences, whereas it is now being addressed.

In addition, the current decision to integrate residences has the benefit of being implemented after several more years of integration in schooling, sport, workplaces and other aspects of life.

This decision is also based on Management’s commitment to give all the possible support it can to this process.

This is a very important initiative that the UFS is undertaking. Management, in co-operation with students, must ensure that it succeeds. Integrated residences that produce high-quality graduates equipped to deal with the challenges of the workplace and our society is a worthwhile ideal we should all strive to achieve.

If you would like to make a proposal regarding the implementation and practical aspects of the new policy, please send it to the following email address: rector@ufs.ac.za

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