There are many disruptors to biodiversity in South Africa’s wildlife reserves. This may include climate change, human-wildlife conflict, development, and more. However, many would not immediately identify organic waste as a major disruptor to biodiversity, but if not managed correctly, this waste stream can have far reaching implication on the surrounding ecosystem. BiobiN South Africa highly recommends that resorts in game reserves adopt enclosed waste management systems to contain organic waste and any odours that may attract wildlife.
Let’s unpack these impacts a bit more.
Disrupting feeding patterns
We have seen it in Cape Town especially. When baboons get access to bins, it alters their feeding patterns, often causing increased aggression within the troop and towards humans. When these animals know that food is easily available, they will keep coming back. Organic waste is not a healthy diet for baboons, and the same goes for all wild animals across all game reserves in South Africa.
In some reserves in Kwa-Zulu Natal, elephants have known to break through reserve fences to get into waste sites, once they know that the organic waste is there. This poses a massive risk to surrounding rural communities who rely on the fences as a safety buffer between wildlife and themselves.
Elephants, Vervet monkeys and Baboons – the usual species that are attracted to human food waste, are all highly intelligent and adaptable to changing environmental conditions, especially when food waste is introduced. Once they have accessed a waste area just once, they are likely to return.
Disease transmission
The presence of organic waste, particularly when exposed and easily accessible, creates an environment ripe for the transmission of diseases between wildlife populations and potentially to humans. Decomposing food waste can harbour bacteria like Salmonella and E. coli, which, if consumed by animals, can spread through their populations. Furthermore, certain pathogens carried by domestic animals or humans can transfer to wild species when they scavenge on unmanaged waste, potentially leading to outbreaks that could devastate vulnerable wildlife populations. This is a critical concern, especially for endangered species.
Disruptions to ecology
The focused attraction of certain species to an easily accessible organic waste site can create significant disruptions to the local ecology. When dominant animals, like baboons or elephants, consistently migrate to these areas, they often deter other species from accessing their natural foraging grounds. This imbalance can lead to a shift in species distribution, altered natural feeding patterns, and ultimately, a breakdown in the delicate predator-prey dynamics that are vital for maintaining a balanced ecosystem.
Importance of in-vessel composting in reserves
Many of South Africa’s reserves and game lodges are located in remote areas where waste collection is less frequent. This makes it vitally important to manage waste sufficiently on-site so that it does not produce odours or spillage that could attract wildlife.
BiobiN offers an on-site composting unit that is completely enclosed and releases no odours that would attract animals to the area in the first place.