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15 February 2021 | Story Supplied | Photo Supplied
Dr João Vidal is a research fellow at the Department of Plant Sciences and the Afromontane Research Unit (ARU) at the University of the Free State (UFS).

According to United Nations data projections for 2100, sub-Saharan Africa is set to experience a demographic explosion. The most rapid population growth zones in Africa are in or around mountains and the importance of managing these mountain ecosystems sustainably in order to maintain the benefits to such a growing population is critical, says Dr João Vidal, a research fellow at the Department of Plant Sciences and the Afromontane Research Unit (ARU) at the University of the Free State (UFS). 

The link between human population growth and the demand for water will impact these mountain grasslands. All of Africa’s important rivers originate in mountainous areas. The sustainable management of African mountain landscapes is thus vital for the sustained provision of quality water in suitable quantities. “Water is already limited in some places. This year we are facing another drought in South Africa, and if it was not for the mountains, it could have been much worse. The long-term resilience of Southern Africa’s mountains and their ecosystem services should be an absolute priority for both research and conservation,” says Dr Vidal.

Human population growth has several implications

As a mountain ecologist, his recent research is centred on developing indicators for monitoring biodiversity change in Southern Africa’s mountains. This is a collaborative research project with the South African Environmental Observation Network (SAEON), Ezemvelo KZN Wildlife, and the University of Pretoria.

Human population growth, as predicted for Southern Africa, has several implications for natural-resource management and biodiversity conservation. “Southern Africa has one of the highest proportions of grassland-dominated mountains in the world, comparable only to Central Asia,” says Dr Vidal. 

In December, UN Secretary-General António Guterres said during the launch of the 2021 Global Humanitarian Overview: “Conflict, climate change and COVID-19 have created the greatest humanitarian challenge since the Second World War. The number of people at risk of starvation has doubled. Hundreds of millions of children are out of school. Levels of extreme poverty have risen for the first time in 22 years.”

According to Dr Vidal this new scenario significantly increases the pressure on mountain environments and their biota, since people will have to find alternative ways of feeding their families, their animals, while the economy struggles to recover globally.

Through his research, Dr Vidal – together with a growing community of practices for Southern Africa’s mountains – aims to understand the socio-ecological functioning of these montane grasslands in order to encourage a science-policy-action interface for their sustainable management in a changing world. 


Alternative ways for measuring environmental change in mountains

Since much global mountain research is focused on forest-dominated mountains, Dr Vidal and his collaborators are developing specific tools to track climate change in grassy mountains.
He explains: “When you look at the available tools for tracking climate change in mountains, you have a tree line for many mountains in the world. However, with the Southern African grassy mountains, it is impossible to use such a tool. We are working on alternative ways for measuring environmental change in our mountains.

“As it gets warmer, certain communities of grasses may retract towards higher elevations because they need a certain minimum temperature to survive. The problem seems to be that current climate change is occurring at a much faster rate than most species might be able to retract. This means that higher temperatures may lead to habitat losses for temperature-vulnerable groups.

“Climate change is also making mountains increasingly vulnerable to ecological invasion by non-native species. The severe temperatures in mountains are a good barrier for many problematic lowland species. But with warmer temperatures in the mountains, these barriers are being weakened, increasing the number of potentially invasive plants in our mountains. With higher temperatures there is potential for a large guild of invasive trees to overrun grassland mountains affecting waterflow into dams and rivers. Examples are pines, willows, gums, and wattles, to name a few.

“The presence of invasive trees, especially along rivers, has long-term negative impacts on the functioning of mountain catchments. These trees destabilise riverbanks, extract large amounts of water, and cause local extinction of endemic montane biodiversity. In drier environments such as grasslands, this exacerbates the fragile water productivity,” he adds.

Global policymakers to recognise the value of grassy mountains 

It is important to draw attention to the value of natural grassy mountain systems around the world and to how threatened they are. The world’s grassy mountains need to be better studied and better placed on the global stage. This will encourage policy makers to recognise these systems and implement appropriate measures to facilitate their sustainable management. 

For the first time in 20 years, the recent International Panel of Climate Change (IPCC) report to the United Nations included a chapter focusing solely on mountains. “Policymakers are finally realising how disproportionately important mountain environments are and how dramatically they are affected by climate change,” says Dr Vidal. 

However, African mountains are underrepresented in research literature; it is the only continent for which there is no data included in the IPCC report. There is an urgent need to represent African mountains – especially Southern Africa’s mountains – on the global stage when it comes to climate change,” states Dr Vidal.

Dr Vidal is conducting this study in partnership with Dr Ralph Clark, Director of the ARU on the UFS Qwaqwa Campus

News Archive

Position statement: Recent reporting in newspapers
2014-10-03

 

You may have read reports in two Afrikaans newspapers, regarding recent events at the University of the Free State (UFS). Sadly, those reports are inaccurate, one-sided, exaggerated and based not on facts, but on rumour, gossip and unusually personal attacks on members of the university management.

Anyone who spends 10 minutes on our Bloemfontein Campus would wonder what the so-called ‘crisis’ is about.

We are left with no choice other than to consider legal action, as well as the intervention of the South African Press Ombudsman, among other steps, to protect the good name of the institution and the reputation of its staff. No journalist has the right to launch personal and damaging attacks on a university and its personnel, whatever his or her motives, without being fair and factual. In this respect, the newspapers have a case to answer.

But here are the facts in relation to the reports:

  1. No staff member, whether junior or senior, is ever suspended without hard evidence in hand. Such actions are rare, and when done, are preceded by careful reviews of our Human Resource Policies, labour legislation and both internal and external legal advice. Then, and only then, is a suspension affected. A suspension, moreover, does not mean you are guilty and is a precautionary action to allow for the disciplinary investigation and process to be conducted, especially where there is a serious case to answer.
  2. At no stage was the Registrar instructed to leave the university; this is patently false and yet reported as fact. We specifically responded to the media that the Registrar does outstanding work for the university and that it is our intention for him to remain as our Registrar through the end of his contract in 2016.
  3. The Rector does not make decisions by himself. Senior persons, from the position of Dean, upwards, are appointed by statutory and other senior committees of the university and finally approved by Council. No rector can override the decision of a senior committee, and this has not happened at the UFS even in cases where the Rector serves as Chair of that committee. The impression of heavy-handed management at the top insults all our committee structures, including the Institutional Forum – the widest and most inclusive of stakeholder bodies at a university – which reports directly to Council on fairness and compliance of selection processes.
  4. In the case of senior appointments, Council makes the final decision. Council fully supports the actions taken on senior appointments, including a recent senior suspension. The fact that one Council member resigns just before the end of his term, whatever the real reason for this action, does not deter from the fact that the full Council in its last sitting approved the major staffing decisions brought before it. The image therefore that the two newspapers try to create of great turmoil and distress at the university, is completely unfounded.

Even if we wanted to, the university obviously cannot provide details about staffing decisions, especially disciplinary actions in process, since the rights of individuals should be protected in terms of the Human Resource Policies and procedures of the UFS. But that does not give any newspaper the right to speculate or state as fact that which is based on rumour or gossip, or to slander senior personnel of the university. For these reasons, we have been forced to seek legal remedy and correction as a matter of urgency.

Make no mistake, underlying much of the criticism of the university has been a distress about transformation at the UFS; in particular, the perception is created that white colleagues are losing their jobs. The evidence points in the opposite direction. Our progress with equity has been slow and we lag far behind most of the former white universities; that is a fact. More than 90% of our professors are white; most of our senior appointments at professorial level and as heads of department are still overwhelmingly white. Reasonable South Africans would agree that our transformation still has a long way to go and only the mean-spirited would contend otherwise. But based on the two Afrikaans newspaper reports, an impression is left of the aggressive rooting out of white colleagues.

In the past few years the academic standard of the university has significantly improved. We now have the highest academic pass rates in years, in part because we raised the academic standards for admission four years ago. We now have the highest rate of research publications, and among the highest national publication rate of scholarly books, in the history of the UFS. We have one of the most stable financial situations of any university in South Africa, with a strong balance sheet and growing financial reserves way beyond what we had before. We now attract top professors from around the country and other parts of the world, and we have the highest number of rated researchers, through the National Research Foundation, than ever before. And after the constant turmoil of a number of years ago, we now have one of the most stable campuses in South Africa. Those are the facts.

The UFS is also regarded around the world as a university that has become a model of transformation and reconciliation in the student body. The elections of our Student Representative Council are only the most visible example of how far we have come in our leadership diversity. Not a week goes by in which other universities, nationally and abroad, do not come to Kovsies to consult with us on how they can learn from us and deepen their own transformations, especially among students.

Rather than focus on what more than one senior journalist, in reference to the article in Rapport of 21 September 2014, rightly called ‘a hatchet job’ on persons and the university, here are the objective findings of a recent survey of UFS stakeholders: 92% endorse our values; 77% agree with our transformation; 78% believe we are inclusive; and 78% applaud our overall reputation index.  Those are very different numbers from a few years ago when the institution was in crisis.

This is our commitment to all our stakeholders: we will continue our model of inclusive transformation which provides opportunities for study and for employment for all South Africans, including international students and colleagues. We remain committed to our parallel-medium instruction in which Afrikaans remains a language of instruction; we are in fact the only medical school in the country that offers dual education and training in both Afrikaans and English for our students - not only English. We provide bursaries and overseas study opportunities to all our students, irrespective of race. And our ‘future professors’ programme is richly diverse as we seek the academic stars of the future.

We are not perfect as a university management or community. Where we make mistakes, we acknowledge them and try to do better the next time round. But we remain steadfast in our goal of making the UFS a top world university in its academic ambitions and its human commitments.

END

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