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08 September 2020 | Story Leonie Bolleurs | Photo Falko Buschke
Dr Falko Buschke says the iconic sandstone cliffs of the eastern Free State are key to protecting wild plants and animals from climate change.
The iconic sandstone cliffs of the eastern Free State are often the focus of paintings and postcards. Now, new research shows they also protect wild plants and animals from climate change. This finding is the outcome of a collaborative research effort by the University of the Free State (UFS); BirdLife South Africa; the Vrije Universiteit Brussel and KU Leuven, Belgium, which has recently been published in the journal Biological Conservation.

Mountains key for climate change mitigation

The study, led by Dr Falko Buschke from the Centre for Environmental Management UFS, used satellite data from NASA to track the ecological effects of wet and dry seasons, including the record drought of 2015/16. This showed how vegetation on the cool and moist mountain slopes was less affected by dry spells.

The complex physical terrain allows moisture to accumulate in the shaded parts of the south-facing slopes and ravines. This creates cool and moist habitats for plants and animals that wouldn’t survive in the rest of the hotter and drier landscape.

The team also discovered that these positive effects of mountains do not end at the foot of the mountain, but extend at least 500m into the flatter lowlands. “Presumably because water and nutrients accumulate in these surrounding buffers due to run-off,” says Dr Buschke.

Butterflies find safety on mountains

In addition to their high-tech analysis of the area, the team also relied on old-fashioned fieldwork to monitor butterflies over two years. “The data showed us how these insects find safety on mountains during harsh climate conditions and can then recolonise the rest of the landscape after conditions improve,” explains Dr Buschke. “This gives us clues on the best way to protect nature,” he adds. 

This study took place in the Rooiberge-Riemland Key Biodiversity Area (KBA), an area significant for maintaining global biodiversity. Several species of insects, reptiles, birds and mammals here occur nowhere else on earth. “If they disappear here, they will go extinct from the whole planet forever,” says Dr Falko Buschke. 

Despite its ecological significance, most of the area is covered by commercial farmland. So, the next stage of the project is exploring ways of protecting these important habitats while ensuring that farmers can continue producing food and supporting rural livelihoods. 

“Farmers hold the key to preserving biodiversity,” says Dr Buschke, “so conservation scientists need to work closely with them to ensure that we protect species for future generations.” 

News Archive

Shimlas shock Tuks by staying calm
2016-02-19

Description: KL News 2016 02 19 Varsitycup Tags: KL News 2016 02 19 Varsitycup
Prop Ox Nche was one of the substitutes who had a huge impact against Tuks in Pretoria on 15 February 2016. Nche and other Shimlas substitutes helped their team wipe out a massive deficit. Photo: Johan Roux.

He has never been involved in a match like this in his rugby career.
This is what Neil Claassen had to say about his team’s performance on 15 February 2016, when the Shimlas came up with one of the biggest fight-backs in the history of the Varsity Cup in Pretoria. According to the Shimlas Captain, his bench had a great impact, and this helped in shocking Tuks with 47-46 towards the end. This came after Tuks had been leading 43-15 in the 44th minute.

Great fighting spirit
The Shimlas' fighting spirit, and a new Varsity Cup points system in which converted tries may count up to 11 points, enabled them to wipe out this deficit.
“It was a tough match, especially after being so far behind,” Neil said.
“Coach (Hendro Scholtz) told us during half-time (when we were 15-36 behind) that we should stay calm."
“We weren't completely out of the game. We knew that if we eliminated unnecessary mistakes, we could make it.”

Impact from bench
This is the second consecutive match - the other was against Ikeys in Cape Town - where the Shimlas’ substitutes swayed the match. “The bench made a big difference,” Neil said. “We also scored an 11-point try, which helped a lot.”
The Shimlas’ fullback, Marco Mason, was named Player of the Match. He succeeded with a tricky conversion to gain victory for his team.

Injuries
The eighth man, Nardus Erasmus (knee) and flanker, Fiffy Rampeta (eye socket), sustained injuries, but should be able to play in the first home game against the Madibaz on 22 February 2016. The injured scrumhalf, Zee Mkhabela (concussion), could return for this match.
Shimlas are second on the log, with nine league points after two away matches. Maties has ten league points.

Young Guns get stuck
The University of the Free State (UFS') Young Guns got stuck 8-14 against Tuks in Pretoria on 15 February 2016.
Vishuis, the UFS's residence team, will start their onslaught in the residence league against Dagbreek in Stellenbosch on 22 February 2016.

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