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01 July 2020 | Story Thabo Kessah | Photo Supplied
Breathtaking views of the misty Bvumba mountains.

While the Afromontane Research Unit (ARU) will always have a core focus on the sustainable development of the Maloti-Drakensberg (Lesotho-South Africa), the Southern African region is also very important to the unit. The primary reason for this is that Southern African mountains – the most important water-production landscapes in our drought-prone region – have no collective voice for their sustainable management. As such, there is no regional science-policy-action pipeline to secure these mountains for interventions to ensure that they can still produce key ecosystem services under global change. This is in contrast to East Africa where there is a much better-established community of practice for the charismatic African giants such as Mount Kilimanjaro. 

ARU-Southern African collaboration
To this end, the Director of the ARU, Dr Ralph Clark, revealed that the ARU has close links with academics, practitioners, and lay experts in Zimbabwe for the careful documenting of mountain biodiversity in the Manica Highlands. This is a trans-national mountain system critical for water supply to both Zimbabwe and Mozambique. The Bvumba (‘mist’ in Shona) Mountains are situated in the centre of the Manica Highlands. The name Bvumba is derived from the regular mist covering these mountains.

“The Bvumba has a complex socio-political history extending far back, before the arrival of the Portuguese in the 1400s. Despite this history of human occupation, and despite a century of botanical exploration in the 20th century, a comprehensive list of plant species – including endemic species – has never been published for the Bvumba. Such basic lists are essential for foundational knowledge that can drive sustainable development and responsible management of natural resources,” Dr Clark said.

The ARU and partners have collaborated to compile records of the first comprehensive species list for the Bvumba. “This project was done in partnership with the Harare Herbarium, Belgium’s Meise Botanical Gardens, the Flora of Zimbabwe and Mozambique projects, the Biodiversity Foundation for Africa, and the UK’s Royal Botanical Gardens, Kew. It was recently completed with a publication in the journal PhytoKeys.”

Bvumba’s hundreds of species
The Bvumba has a plant species complement of 1 127 native taxa in an area of only 276 square kilometres. “There is remarkable fern and orchid diversity in these mountains, with 137 fern species that is considered to be the richest fern locality in Southern Africa.  There are also 125 orchid species that make it exceptionally rich for this group. The only local Bvumba endemic is a critically endangered epiphytic forest orchid. Six other near-endemic plant taxa occur in the Bvumba, all of which are endemic to the Manica Highlands from Nyanga to Chimanimani,” added Dr Clark.

Low levels of local endemism are likely to be an effect of the Bvumba having limited natural grassland compared to forest. “Second to fynbos, grassland is the most endemic-rich habitat in Southern African mountains. Montane forests are poor in local endemics by comparison, which is contrary to what many would suppose. As in mountains across Southern Africa, invasive species are a major risk to water security, biodiversity conservation and livelihoods. The Bvumba is no exception, with Australian blackwood (Acacia melanoxylon), ginger lily (Hedychium gardnerianum), and bee bush (Vernonanthura polyanthes) being the most problematic species of the 123 naturalised introductions. While the Zimbabwean side of the Bvumba is the best explored, the Mozambican side of Serra Vumba offers exciting opportunities for further botanical research,” he emphasised.

News Archive

Young researchers shine during Afromontane Colloquium
2016-12-01

Description: Afromontane Colloquium  Tags: Afromontane Colloquium  

From the left are Drs Reetu Sogani (India),
Greg Greenwood (US-Switzerland), Teboho Manchu
(Acting Campus Principal), Drs Jianchu Xu (China),
Henri Rueff (Switzerland), Glen Taylor (Senior Director:
Research Development), and Elsa Crause
(Campus Vice-Principal: Academic and Research).

The University of the Free State’s Afromontane Research Unit (ARU), which is situated on the Qwaqwa Campus, has the potential to produce some of the world’s best and dynamic young researchers. This is the view of Dr Henri Rueff, who was one of the keynote speakers during the recent ARU Colloquium hosted at Golden Gate in the Eastern Free State.

Dr Rueff, a geographer and environmental economist from the Universities of Basel and Bern in Switzerland, was referring to no less than ten Qwaqwa Campus postgraduate students who made oral and poster presentations during the inaugural international colloquium.

“You have some of the world’s most motivated and highly skilled students who have the courage to stand in front of extremely critical scientists from all over the globe – and that must be commended,” he said.

Also talking about the students at the colloquium, was Dr Reetu Sogani from India, who said that her first trip to South Africa did not disappoint. “This colloquium was a very good learning experience for me as I had the opportunity to interact with brilliant and young scientists from this part of the world,” she added. In closing the colloquium, the Senior Director: Research Development, Dr Glen Taylor, committed the UFS to the success of the unit.

“The ARU will strengthen the research output of the campus. But most critically, it is setting the research agenda for the Qwaqwa Campus, and for the institution at large, to address the challenges that the surrounding mountain communities are faced with,” he said.

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