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11 March 2022 | Story Prof Frikkie Maré | Photo Supplied
Prof Frikkie Maré is from the Department of Agricultural Economics at the University of the Free State (UFS)

Opinion article by Prof Frikkie Maré, Department of Agricultural Economics, University of the Free State.
In William Shakespeare’s play Julius Caesar, Mark Antony utters the words: “Cry ‘Havoc!’, and let slip the dogs of war,” after learning about the murder of Julius Caesar. With these words he meant that chaos would ensue (havoc) to create the opportunity for violence (let slip the dogs of war).

The recent invasion (or military operation, according to Russian President Vladimir Putin) by Russian armed forces into Ukraine brought the famous words of Shakespeare to mind. Putin cried “Havoc!” and his troops created chaos in Ukraine. This is, however, not where it stopped because the dogs of war have been released into the rest of the world.

What is the impact on South Africa?

The day after the invasion we felt the bite of the dogs of war in South Africa. The rand suddenly weakened against the dollar, oil and gold prices increased sharply, and grain and oilseed prices on commodity markets increased 

This was before the rest of the world started to implement sanctions against Russia, which could be described as a shock reaction due to uncertainty as to how the situation would unfold. In the days after the initial market reaction we saw the markets actually “cool down” a bit, with most sharp initial reactions starting to change back to former positions. This period was, however, short-lived when the world hit back by closing airspace and borders and refusing to import products from Russia or export to them. The sanctions were in solidarity with Ukraine as an attempt to bring the Russian economy to its knees and force the Russians to withdraw from Ukraine.

Although the sanctions against Russia should certainly be successful over the long term, it does not change much in the short term and we will have to deal with the international effects of this conflict. The question then is, how will this affect South Africa?

Although there are no straightforward answers, as the impact will depend on what one’s role is in the economy. One thing for certain is that the total cost will outnumber the benefits. What affects everyone in South Africa, and the starting point of many secondary effects, is the increase in the price of crude oil. Russia is the second-largest producer of crude oil in the world and if the West is going to ban the import of Russian oil we will have an international shortage. Although the banning of Russian oil is the right thing to do to support Ukraine, it will have devastating effects on all countries in the world, with sharp increases in inflation.  

The increase in the price of oil not only drives up the cost of transportation of people and products, but also manufacturing costs. Fertiliser prices are correlated with the oil price, and it will thus drive up the production cost of grain and oilseeds.

Speaking of grain and oilseed prices, the Black Sea region (which includes Russia and Ukraine), are major exporters of wheat and sunflower seed and oil. The prices of these commodities have soared in international and South Africa markets over the past few weeks. Although it might seem like good news for our farmers, the increase in prices are offset by high fertiliser prices and the local shortage of fertiliser. This may lead to fewer hectares of wheat being planted this year in the winter rainfall regions.  

Nothing good is coming from this situation

In terms of agricultural commodities, both Russia and Ukraine are important importers of South African products, especially citrus, stone fruit and grapes.  Alternative markets now need to be found for these products which will affect prices negatively.

Although one needs to write a thesis to explain all the effects of the Russian-Ukraine conflict, the dogs of war have been slipped, and it is clear from the few examples that nothing good is coming from this situation. In short, we will see higher fuel prices (maybe not R40/litre, but R25 to R30/litre is possible), higher food prices, higher inflation and a higher interest rate.  

These factors affect all South-Africans, especially the poor and some in the middle class who will struggle in the short term. The time has come to cut down on luxuries and tighten belts to survive in the short term until there is certainty about how the havoc in Ukraine will play out.

News Archive

Studies to reveal correlation between terrain, energy use, and giraffe locomotion
2016-11-18



More than half of giraffes in captivity in Europe are afflicted by lameness. This high prevalence represents an important welfare issue, similar to other large zoo animals.

According to Dr Chris Basu, a veterinarian at the Royal Veterinary College in the UK, giraffes in captivity are often afflicted by overgrown hooves, laminitis and joint problems. Diagnosis and treatment is limited by our understanding of anatomy and function, more specifically the locomotion of these animals. Although the giraffe is such a well-known and iconic animal, relatively little has been studied about their locomotor behaviour.

Dr Basu recently visited South Africa to do fieldwork on the locomotion of giraffes as part of his PhD studies under the mentorship of world-renowned Professor of Evolutionary Biomechanics, Prof John Hutchinson. This project is a joint venture between Dr Basu and Dr Francois Deacon, researcher in the Department of Animal, Wildlife, and Grassland Sciences at the UFS. Dr Deacon is a specialist in giraffe habitat-related research. 

Together Prof Hutchinson and Drs Deacon and Basu form a research group, working on studies about giraffe locomotion.

Wild giraffe population decrease by 40% in past decade

“Locomotion is one of the most common animal behaviours and comes with a significant daily energetic cost. Studying locomotion of wild animals aids us in making estimates of this energetic cost. Such estimates are useful in understanding how giraffes fit into ecosystems. Future conservation efforts will be influenced by knowledge of the energy demands in giraffes.

“Understanding aspects of giraffe locomotion also helps us to understand the relationships between anatomy, function and evolution. This is relevant to our basic understanding of the natural world, as well as to conservation and veterinary issues,” said Dr Deacon.

Locomotion study brings strategy for specialist foot care

On face value it seems as if foot disease pathologies are more common in zoo giraffes than in wild giraffes. “However, we need a good sample of data from both populations to prove this assumption,” said Dr Basu. 

This phenomenon is not well understood at the moment, but it’s thought that diet, substrate (e.g. concrete, straw, sand and grass) and genetics play a part in foot disease in giraffes. “Understanding how the feet are mechanically loaded during common activities (standing, walking, running) gives our research group ideas of where the highest strains occur, and later how these can be reduced through corrective foot trimming,” said Dr Basu.

Through the studies on giraffe locomotion, the research group plans to devise strategies for corrective foot trimming. At the moment, foot trimming is done with the best evidence available, which is extrapolation from closely related animals such as cattle. “But we know that giraffes’ specialist anatomy will likely demand specialist foot care,” Dr Basu said.

Studying giraffes in smaller versus larger spaces

The research group has begun to study the biomechanics of giraffe walking by looking at the kinematics (the movement) and the kinetics (the forces involved in movement) during walking strides. For this he studied adult giraffes at three zoological parks in the UK. 

However, due to the close proximity of fencing and buildings, it is not practical to study fast speeds in a zoo setting. 

A setting such as the Willem Pretorius Nature Reserve, near Ventersburg in the Free State, Kwaggafontein Nature Reserve, near Colesberg in the Karoo, and the Woodland Hills Wildlife Estate in Bloemfontein are all ideal for studying crucial aspects such as “faster than walking” speeds and gaits to measure key parameters (such as stride length, step frequency and stride duration). These studies are important to understand how giraffe form and function are adapted to their full range of locomotor behaviours. It also helps to comprehend the limits on athletic capacity in giraffes and how these compare to other animals. 

Drones open up unique opportunities for studying giraffes

The increasing availability of unmanned aerial vehicles (UAVs)/drones opens up unique opportunities for studying locomotion in animals like giraffes. Cameras mounted onto remotely controlled UAVs are a straightforward way to obtain high-quality video footage of giraffes while they run at different speeds.

“Using two UAVs, we have collected high definition slow motion video footage of galloping giraffes from three locations in the Free State. We have also collected detailed information about the terrain that the giraffes walked and ran across. From this we have created 3D maps of the ground. These maps will be used to examine the preferred terrain types for giraffes, and to see how different terrains affect their locomotion and energy use,” said Dr Deacon.

“The raw data (videos) will be digitised to obtain the stride parameters and limb angles of the animals. Later this will be combined with anatomical data and an estimation of limb forces to estimate the power output of the limbs and how that changes between different terrains,” said Dr Basu.


Related articles:

23 August 2016: Research on locomotion of giraffes valuable for conservation of this species
9 March 2016:Giraffe research broadcast on National Geographic channel
18 Sept 2015 Researchers reach out across continents in giraffe research
29 May 2015: Researchers international leaders in satellite tracking in the wildlife environment

 

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