气候变化背景下南非的昆虫与粮食安全

IF 0.2 4区 文学 Q4 SOCIAL ISSUES Tydskrif Vir Geesteswetenskappe Pub Date : 2022-12-01 DOI:10.17159/2224-7912/2022/v62n4a1
F. Durand
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This includes the export of coal from mines in Mpumalanga to China and India, while nothing is done to rehabilitate the region, which was once known for its agriculture. The government handed over to the Chinese company SAEMB the Musina-Makhado Special Economic Zone, where four opencast mines, a 3 300 MW power station and an iron smelting plant will be developed. This development, however, requires the government to build a dam that will harvest 60% of the annual runoff of the Limpopo River, which in turn will have a devastating effect on farmers and communities downriver in South Africa, Zimbabwe and Mozambique who irrigate their crops with water from the Limpopo River. The same kowtowing of the South African government to its BRICS partners can be seen in the reluctance with which the government responds to the plundering of our marine resources by Chinese fishing boats and abalone smugglers. The unfair competition imposed on local chicken farmers by distributers of dumped chicken, mainly from Brazil, with the approval of government, caused the closure of several South African chicken farms and the resulting loss of tens of thousands of jobs along the supply chain. The reluctance of the government to take sides in the Russia-Ukraine war is partly linked to the fact that South Africa imports fertilizer and wheat from Russia. South Africa, a water-scarce country, is more vulnerable than many other countries to the effects of global climate change. The abnormal rain pattern, that is characterised by severe droughts in certain regions and heavy rainstorms and floods in others, has a devastating impact on the already economically struggling South African community. Abroad, attempts are made to ensure that mean temperatures do not exceed the pre-industrial level mark by more than 1,5 °C. South Africa, however, heats up twice as fast as many other countries, and has already exceeded the pre-industrial era level by more than 2 °C;it will continue to get warmer and drier, causing most of the country to become desertified by 2050. A third of South African rivers do not reach the sea anymore because of over ion of water from rivers;similarly, there is extensive ion of groundwater. Together farming and forestry account for 70% of water use in South Africa. This over ion of water, worsened by the heat and aridification resulting from climate change, led to the degradation of most wetland and estuarine ecosystems and the drying and burning of irreplaceable peatlands. These political, socioeconomic and environmental calamities create the worst possible scenario for food security in South Africa. Already one in four people in Africa suffers from food insecurity and this number will rapidly rise in the wake of global climate change, which will result in the loss of two thirds of arable land by 2025. South Africa is nearing socioeconomic collapse. This, in conjunction with continuing droughts, storms and rising temperatures associated with global climate change, will lead to food insecurity, starvation and anarchy. The effect of global climate change will make it progressively more difficult to produce enough food for the South African population. It is imperative that South Africans consider alternative methods of food production, including water use. Entomophagy is widel practiced throughout the world, but is especially prevalent in South America, the Far East and Africa, where approximately 2 billion people use 1 900 species of insects as food. The nutritional value of insects is unsurpassed and, in some respects, even more nutritious than meat. The larvae of the black soldier fly (BSF) Hermetia illucens are a source of high-quality proteins and unsaturated fats that are used worldwide as animal feed. Insects are a source of minerals such as iron, calcium, copper, zinc and magnesium and high levels of vitamin A, B2 and C. The ecological and socioeconomic benefits of using BSF larvae instead of grain as feed for fish, chickens and pigs are enormous. BSF larvae can be bred almost for free by feeding it a wide variety of organic waste, including rotten vegetables and fruit, manure and even carcases that would have ended up in rubbish dumps and would have contributed to the methane and carbon dioxide pollution emanating from such dumps. The water use of BSF is negligible, because the water in the organic waste that would have been discarded in waste dumps is sufficient to sustain them. BSF affords the subsistence and small-scale farmer the opportunity to raise chickens at a lower input cost than ever before. The conversion of feed to food in insects is far greater than that of chickens, pigs or cattle. In the case of the house cricket (Acheta domestica) the conversion rate of feed to food is twice as effective as that of chickens, four times as effective as pigs and twelve times greater than that of cattle. Compared to conventional farming, this implies that with insects far more exceptionally nutritious food can be produced in a smaller area, with little water and no poison or fertilizer whatsoever, while waste and the associated methane gas are removed from the environment at the same time. A few South African companies have already seen the potential of insects as food and feed. Even though insect farming is still in its infancy, it is already generating jobs and new socioeconomic opportunities in South Africa. 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The situation is exacerbated by the highest level of unemployment in the world, widespread nepotism and corruption, the plundering of state coffers and the favouring of the business interests of BRICS partners by government officials over those of South Africans. The government's commitment to prioritising their BRICS partners' business interests over those of the South African people contributes to food insecurity in South Africa. This includes the export of coal from mines in Mpumalanga to China and India, while nothing is done to rehabilitate the region, which was once known for its agriculture. The government handed over to the Chinese company SAEMB the Musina-Makhado Special Economic Zone, where four opencast mines, a 3 300 MW power station and an iron smelting plant will be developed. This development, however, requires the government to build a dam that will harvest 60% of the annual runoff of the Limpopo River, which in turn will have a devastating effect on farmers and communities downriver in South Africa, Zimbabwe and Mozambique who irrigate their crops with water from the Limpopo River. The same kowtowing of the South African government to its BRICS partners can be seen in the reluctance with which the government responds to the plundering of our marine resources by Chinese fishing boats and abalone smugglers. The unfair competition imposed on local chicken farmers by distributers of dumped chicken, mainly from Brazil, with the approval of government, caused the closure of several South African chicken farms and the resulting loss of tens of thousands of jobs along the supply chain. The reluctance of the government to take sides in the Russia-Ukraine war is partly linked to the fact that South Africa imports fertilizer and wheat from Russia. South Africa, a water-scarce country, is more vulnerable than many other countries to the effects of global climate change. The abnormal rain pattern, that is characterised by severe droughts in certain regions and heavy rainstorms and floods in others, has a devastating impact on the already economically struggling South African community. Abroad, attempts are made to ensure that mean temperatures do not exceed the pre-industrial level mark by more than 1,5 °C. South Africa, however, heats up twice as fast as many other countries, and has already exceeded the pre-industrial era level by more than 2 °C;it will continue to get warmer and drier, causing most of the country to become desertified by 2050. A third of South African rivers do not reach the sea anymore because of over ion of water from rivers;similarly, there is extensive ion of groundwater. Together farming and forestry account for 70% of water use in South Africa. 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BSF larvae can be bred almost for free by feeding it a wide variety of organic waste, including rotten vegetables and fruit, manure and even carcases that would have ended up in rubbish dumps and would have contributed to the methane and carbon dioxide pollution emanating from such dumps. The water use of BSF is negligible, because the water in the organic waste that would have been discarded in waste dumps is sufficient to sustain them. BSF affords the subsistence and small-scale farmer the opportunity to raise chickens at a lower input cost than ever before. The conversion of feed to food in insects is far greater than that of chickens, pigs or cattle. In the case of the house cricket (Acheta domestica) the conversion rate of feed to food is twice as effective as that of chickens, four times as effective as pigs and twelve times greater than that of cattle. 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引用次数: 0

摘要

新冠肺炎大流行对该国产生了毁灭性的社会经济影响,包括102 000多人死亡,其中许多人是家庭的经济支柱。这种情况发生在最糟糕的时候,因为该国的经济甚至在疫情之前就已经陷入衰退。世界上最高水平的失业率、广泛的裙带关系和腐败、掠夺国库以及政府官员偏袒金砖国家合作伙伴的商业利益而非南非人的商业利益,加剧了这种情况。政府承诺将金砖国家伙伴的商业利益置于南非人民的商业利益之上,这加剧了南非的粮食不安全。这包括从普马兰加的煤矿向中国和印度出口煤炭,但没有采取任何措施来恢复该地区,该地区曾以农业闻名。政府将Musina Makhado经济特区移交给了中国SAEMB公司,将在那里开发四座露天矿、一座3300兆瓦的发电站和一座炼铁厂。然而,这一事态发展要求政府修建一座大坝,以获取林波波河60%的年径流量,这反过来将对南非、津巴布韦和莫桑比克下游的农民和社区产生毁灭性影响,他们用林波波河的水灌溉作物。南非政府对金砖国家伙伴的卑躬屈膝也可以从政府对中国渔船和鲍鱼走私者掠夺我国海洋资源的不情愿反应中看出。经政府批准,主要来自巴西的倾销鸡肉经销商对当地养鸡户施加了不公平竞争,导致南非几个养鸡场关闭,供应链上数万个工作岗位流失。政府不愿在俄乌战争中偏袒一方,部分原因是南非从俄罗斯进口化肥和小麦。南非是一个缺水的国家,比许多其他国家更容易受到全球气候变化的影响。这种异常的降雨模式以某些地区的严重干旱和其他地区的暴雨和洪水为特征,对已经在经济上陷入困境的南非社区产生了毁灭性的影响。在国外,人们试图确保平均温度不会超过工业化前的水平标记1.5°C。然而,南非的升温速度是许多其他国家的两倍,已经超过了工业化前的水平2°C以上;到2050年,气候将继续变暖和干燥,导致该国大部分地区沙漠化。南非三分之一的河流由于河流中的水离子过多而不再入海;同样,地下水中也有大量的离子。农业和林业合计占南非用水量的70%。气候变化导致的高温和干旱加剧了这种过度的水离子,导致大多数湿地和河口生态系统退化,不可替代的泥炭地干涸和燃烧。这些政治、社会经济和环境灾难为南非的粮食安全造成了最糟糕的情况。非洲已经有四分之一的人面临粮食不安全问题,随着全球气候变化,这一数字将迅速上升,到2025年,这将导致三分之二的可耕地流失。南非正接近社会经济崩溃。再加上与全球气候变化相关的持续干旱、风暴和气温上升,将导致粮食不安全、饥饿和无政府状态。全球气候变化的影响将使南非人民越来越难以生产足够的粮食。南非人必须考虑包括用水在内的其他粮食生产方法。昆虫吞噬在世界各地都有广泛的实践,但在南美洲、远东和非洲尤其普遍,那里大约有20亿人使用1900种昆虫作为食物。昆虫的营养价值无与伦比,在某些方面甚至比肉更有营养。黑蝇幼虫是高质量蛋白质和不饱和脂肪的来源,在世界范围内被用作动物饲料。昆虫是铁、钙、铜、锌和镁等矿物质以及高水平维生素a、B2和C的来源。使用BSF幼虫代替谷物作为鱼类、鸡和猪的饲料具有巨大的生态和社会经济效益。
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Insekte en voedselsekerheid in Suid-Afrika in die lig van klimaatsverandering
The Covid-19 pandemic has had a devastating socio-economic effect on the country, including the death of more than 102 000 people, many of whom were the breadwinners of their families. This could not have happened at a worse time, since the economy of the country was in a recession even before the pandemic. The situation is exacerbated by the highest level of unemployment in the world, widespread nepotism and corruption, the plundering of state coffers and the favouring of the business interests of BRICS partners by government officials over those of South Africans. The government's commitment to prioritising their BRICS partners' business interests over those of the South African people contributes to food insecurity in South Africa. This includes the export of coal from mines in Mpumalanga to China and India, while nothing is done to rehabilitate the region, which was once known for its agriculture. The government handed over to the Chinese company SAEMB the Musina-Makhado Special Economic Zone, where four opencast mines, a 3 300 MW power station and an iron smelting plant will be developed. This development, however, requires the government to build a dam that will harvest 60% of the annual runoff of the Limpopo River, which in turn will have a devastating effect on farmers and communities downriver in South Africa, Zimbabwe and Mozambique who irrigate their crops with water from the Limpopo River. The same kowtowing of the South African government to its BRICS partners can be seen in the reluctance with which the government responds to the plundering of our marine resources by Chinese fishing boats and abalone smugglers. The unfair competition imposed on local chicken farmers by distributers of dumped chicken, mainly from Brazil, with the approval of government, caused the closure of several South African chicken farms and the resulting loss of tens of thousands of jobs along the supply chain. The reluctance of the government to take sides in the Russia-Ukraine war is partly linked to the fact that South Africa imports fertilizer and wheat from Russia. South Africa, a water-scarce country, is more vulnerable than many other countries to the effects of global climate change. The abnormal rain pattern, that is characterised by severe droughts in certain regions and heavy rainstorms and floods in others, has a devastating impact on the already economically struggling South African community. Abroad, attempts are made to ensure that mean temperatures do not exceed the pre-industrial level mark by more than 1,5 °C. South Africa, however, heats up twice as fast as many other countries, and has already exceeded the pre-industrial era level by more than 2 °C;it will continue to get warmer and drier, causing most of the country to become desertified by 2050. A third of South African rivers do not reach the sea anymore because of over ion of water from rivers;similarly, there is extensive ion of groundwater. Together farming and forestry account for 70% of water use in South Africa. This over ion of water, worsened by the heat and aridification resulting from climate change, led to the degradation of most wetland and estuarine ecosystems and the drying and burning of irreplaceable peatlands. These political, socioeconomic and environmental calamities create the worst possible scenario for food security in South Africa. Already one in four people in Africa suffers from food insecurity and this number will rapidly rise in the wake of global climate change, which will result in the loss of two thirds of arable land by 2025. South Africa is nearing socioeconomic collapse. This, in conjunction with continuing droughts, storms and rising temperatures associated with global climate change, will lead to food insecurity, starvation and anarchy. The effect of global climate change will make it progressively more difficult to produce enough food for the South African population. It is imperative that South Africans consider alternative methods of food production, including water use. Entomophagy is widel practiced throughout the world, but is especially prevalent in South America, the Far East and Africa, where approximately 2 billion people use 1 900 species of insects as food. The nutritional value of insects is unsurpassed and, in some respects, even more nutritious than meat. The larvae of the black soldier fly (BSF) Hermetia illucens are a source of high-quality proteins and unsaturated fats that are used worldwide as animal feed. Insects are a source of minerals such as iron, calcium, copper, zinc and magnesium and high levels of vitamin A, B2 and C. The ecological and socioeconomic benefits of using BSF larvae instead of grain as feed for fish, chickens and pigs are enormous. BSF larvae can be bred almost for free by feeding it a wide variety of organic waste, including rotten vegetables and fruit, manure and even carcases that would have ended up in rubbish dumps and would have contributed to the methane and carbon dioxide pollution emanating from such dumps. The water use of BSF is negligible, because the water in the organic waste that would have been discarded in waste dumps is sufficient to sustain them. BSF affords the subsistence and small-scale farmer the opportunity to raise chickens at a lower input cost than ever before. The conversion of feed to food in insects is far greater than that of chickens, pigs or cattle. In the case of the house cricket (Acheta domestica) the conversion rate of feed to food is twice as effective as that of chickens, four times as effective as pigs and twelve times greater than that of cattle. Compared to conventional farming, this implies that with insects far more exceptionally nutritious food can be produced in a smaller area, with little water and no poison or fertilizer whatsoever, while waste and the associated methane gas are removed from the environment at the same time. A few South African companies have already seen the potential of insects as food and feed. Even though insect farming is still in its infancy, it is already generating jobs and new socioeconomic opportunities in South Africa. Insect farming, especially BSF farming, will in the near future probably grow in popularity all over the world as an affordable, healthy, ecologically sustainable alternative food source that will, directly or indirectly, be consumed by humans. BSF afford the environmentally conscious homesteader who wants to produce livestock such as chickens, fish, or pigs in a sustainable manner an unsurpassed environmentally friendly alternative. BSF will also give the desperate, impoverished and starving population of the future an alternative free source of feed that will offer them economic prospects and food security. [ FROM AUTHOR]
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期刊介绍: Die Tydskrif vir Geesteswetenskappe word gewy aan die publikasie van oorspronklike navorsing en oorsigartikels in die teologie, kuns en kulturele, sosiale, ekonomiese en opvoedkundige wetenskappe, sowel as aan boekbesprekings.
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Woord vooraf 'n Beoordeling van tekskritiese voetnote in die boek Esegiël in die 2020-vertaling van die Bybel1 Hans Blumenberg se filosofiese begronding van die kuns as kennisvorm 'n Perspektief op Afrikaans se historiese erfenis: Die Afrikaanse boedel ná 100 jaar Is Suid-Afrika se rehabilitasieparadigma uitge-dien? 'n Pleidooi vir moontlike beleidshervorming
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