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ARU collaborates with Zimbabwe on trans-boundary African mountains research

01 July 2020 | Story Thabo Kessah | Photo Supplied

Bvumba1_read more — 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

Powering the future

2014-07-10

Kovsie students with the organisers at the African Student Energy Summit.

Photo: Rirhandzu Marivate

Powering the future. This was the theme of the first-ever African Student Energy Summit. The event was recently hosted by the Cape Peninsula University of Technology (CPUT) in Cape Town. The summit was even more unique, since it was part of a global series of Energy Summits held simultaneously in the US, Mexico and Scotland.

Sixteen Kovsies, together with students from across South Africa, Nigeria, Ghana, Zimbabwe, DRC, Zambia and Cameroon united at this event. The main goal: to confront pressing energy challenges faced by our continent. During roundtable discussions, these students brainstormed issues such as the accessibility of energy, as well as driving efficiency and sustainability through the use of green energy.

Antoinette Nel, a Kovsie honours student in Spatial Planning, said, “Interacting with different speakers and students on green energy possibilities enhanced my understanding of how much can be done to change the current status quo on energy in Africa.”

During a student parliamentary session, the participants had to come up with recommendations on sustainable energy. These will be compiled in a document and sent to the African Union (AU).

“My biggest highlight was understanding the need for energy by most Africans, not for lighting or industrialised activities but rather for daily livelihood, for basic rights and services such as cooking, health and education,” said Justman Suh, also an honours student in Spatial Planning at Kovsies.

“We are creating spaces to challenge Afro-pessimism in Africa through these platforms,” Dr Elizabeth Rasekoala, Chairperson of Green Shift Africa, said during the summit.

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