变化中的非洲草原和畜牧业:前景与机遇

IF 1.4 4区 环境科学与生态学 Q3 ECOLOGY African Journal of Range & Forage Science Pub Date : 2023-02-10 DOI:10.2989/10220119.2023.2182070
M. I. Samuels, A. Egeru, P. Mugabe
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This is because of the emphasis currently placed on continuous economic growth requiring more resource inputs. This will ultimately lead to increased natural resources conflict (Abbink 2018). The exploitative narrative over Africa had become pervasive with respect to the categorisation and valuation of its natural resources. Accordingly, despite covering 43% of the continent’s land surface, rangelands have been subjected to a relatively negative narrative being described as undeveloped areas (Kratli 2010), and centers of degradation, erosion, desertification, droughts, famine and conflict (Martínez-Valderrama and Ibáñez 2023; Twinomuhangi et al. 2023). Such negative narratives influenced the kinds of intervention in rangelands, confining these large swaths of land to conservation areas such as national parks and game reserves (Jones 2006; Cavanagh et al. 2020), constraining livestock to species such as goats (Doro 2023), and expropriating lands from the Indigenous Peoples (Homewood et al. 2009; Guyo 2017). However, more recently, ecologists and economists have revisited the place of rangelands in the continent to provide alternative perspectives on the importance of these natural resources (Vetter 2013). Current evidence counteracts previous notions that African rangelands and pastoralism are unproductive and mismanaged systems (Liniger and Studer 2019). The contribution of rangelands to the livelihoods of African people is considerable and diverse. Most of the continent’s livestock providing diverse products including meat and milk produced from the rangelands (Holechek et al. 2017). Additionally, rangelands are increasingly recognised for their diverse role in the provision of ecosystem services (Ruvuga et al. 2019; Gatwaza and Wang 2023), including carbon sequestration (Denboba 2022) and other valuable provisions. As the population in Africa has grown rapidly over the last three decades and is projected to reach 2.5 billion people by 2050, food demand has also grown and will continue to rise (Dorin 2017). Rangelands have often been the frontiers for agricultural expansion and urban development, and land use conversion pressure is higher in existing rangelands, often with high population densities (Schlecht et al. 2020). Such patterns of land use change are causing inflexibility and restricting livestock mobility in traditional rangeland use centred around livestock herding (Feldt et al. 2020). Owing to these pressures, land tenure and land use policy, including land privatisation (Godde et al. 2020), sedentarisation, and conversion to other land uses, have become increasingly prevalent in the rangelands (Byakagaba et al. 2018). These changes are reorienting the livelihoods of the people domiciled in many African rangeland areas. Increasing global connections via trade and investment are leading to improved better infrastructure and increased accessibility of previously remote rangelands, thereby contributing to large-scale transformations of the traditional territories of rangeland-based people (Lind et al. 2020). Following the increasing global recognition of the momentous dynamics that are globally reshaping rangelands and biodiversity, the Government of Mongolia proposed in 2019 that the United Nations (UN) declare an International Year of Rangelands and Pastoralists (IYRP) in 2026. This proposal was subsequently endorsed by the United Nations Food and Agriculture Organisation (FAO) and approved by the United Nations General Assembly on 15 March 2022. The intention of celebrating the IYRP is to raise the profile of rangelands and pastoral societies worldwide and to enhance recognition of their valuable contribution to the economy, environment, society, and culture at a the local, national, and global level. Under the global IYRP coalition, African researchers decided to develop a special issue of the African Journal of Range & Forage Science to provide evidence on diverse topical issues converging around the theme rangelands and pastoralism in a changing continent. 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As the population in Africa has grown rapidly over the last three decades and is projected to reach 2.5 billion people by 2050, food demand has also grown and will continue to rise (Dorin 2017). Rangelands have often been the frontiers for agricultural expansion and urban development, and land use conversion pressure is higher in existing rangelands, often with high population densities (Schlecht et al. 2020). Such patterns of land use change are causing inflexibility and restricting livestock mobility in traditional rangeland use centred around livestock herding (Feldt et al. 2020). Owing to these pressures, land tenure and land use policy, including land privatisation (Godde et al. 2020), sedentarisation, and conversion to other land uses, have become increasingly prevalent in the rangelands (Byakagaba et al. 2018). These changes are reorienting the livelihoods of the people domiciled in many African rangeland areas. 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引用次数: 0

摘要

iii 85年前,非洲被描述为希望之地,因为它提供了在最短时间内获得最大回报的巨大机会(Olaniyan 2000年)。它之所以被这样对待,是因为它被认为更多的是自然财富的储备,而不是作为欧洲和其他地方生产的商品和服务的定居或目的地市场的潜力(Le Clair 1937)。50多年来,这种说法一直站住脚,但在过去的20年里,随着非洲成为目的地市场和增长机会创造者,同时作为资源提供者站稳脚跟,人们的看法发生了变化(Sy 2016)。这些外部驱动的观念正在改变人们看待、使用和管理非洲大陆关键自然资源的方式。因此,特别是围绕环境-人口现实的争论正在出现。这是因为目前强调持续的经济增长需要更多的资源投入。这最终将导致自然资源冲突的增加(Abbink 2018)。在对非洲的自然资源进行分类和估价方面,关于非洲的剥削叙述已变得普遍。因此,尽管牧场覆盖了非洲大陆43%的陆地表面,但它们一直受到相对负面的描述,被描述为不发达地区(Kratli 2010),以及退化、侵蚀、荒漠化、干旱、饥荒和冲突的中心(Martínez-Valderrama和Ibáñez 2023;Twinomuhangi et al. 2023)。这种负面的叙述影响了对牧场的各种干预,将这些大片土地限制在国家公园和野生动物保护区等保护区(Jones 2006;Cavanagh et al. 2020),将牲畜限制为山羊等物种(Doro 2023),并从土著人民手中征用土地(Homewood et al. 2009;Guyo 2017)。然而,最近,生态学家和经济学家重新审视了非洲大陆牧场的位置,为这些自然资源的重要性提供了另一种观点(Vetter 2013)。目前的证据反驳了之前的观点,即非洲牧场和畜牧业是非生产性和管理不善的系统(Liniger和Studer 2019)。牧场对非洲人民生计的贡献是巨大而多样的。非洲大陆的大多数牲畜提供多种产品,包括牧场生产的肉类和牛奶(Holechek等人,2017)。此外,牧场在提供生态系统服务方面的多样化作用日益得到认可(Ruvuga等人,2019;Gatwaza和Wang 2023),包括碳固存(Denboba 2022)和其他有价值的规定。由于非洲人口在过去三十年中迅速增长,预计到2050年将达到25亿人,粮食需求也在增长,并将继续上升(Dorin 2017)。牧场往往是农业扩张和城市发展的前沿,现有牧场的土地利用转换压力更大,往往人口密度高(Schlecht et al. 2020)。这种土地利用变化模式导致以畜牧业为中心的传统牧场缺乏灵活性,并限制了牲畜的流动性(Feldt et al. 2020)。由于这些压力,土地所有权和土地使用政策,包括土地私有化(Godde et al. 2020)、定居化和转换为其他土地用途,在牧场变得越来越普遍(Byakagaba et al. 2018)。这些变化正在重新调整居住在许多非洲牧场地区的人们的生计。通过贸易和投资增加全球联系,改善了基础设施,增加了以前偏远牧场的可达性,从而促进了牧场居民传统领土的大规模转变(Lind et al. 2020)。随着全球日益认识到正在重塑全球牧场和生物多样性的重大动态,蒙古政府于2019年提议联合国宣布2026年为“国际牧场和牧民年”。该提案随后得到联合国粮食及农业组织(粮农组织)的认可,并于2022年3月15日获得联合国大会的批准。庆祝IYRP的目的是提高全球范围内牧场和牧民社会的形象,并加强对它们在地方、国家和全球层面上对经济、环境、社会和文化的宝贵贡献的认识。在全球IYRP联盟下,非洲研究人员决定出版一期《非洲牧场与饲料科学杂志》特刊,为围绕这个不断变化的大陆的牧场和畜牧业主题的各种专题问题提供证据。 这期由非洲主导的特刊提出了新的证据,从区域角度审视正在重塑非洲大陆牧场的认知、评估、开发和管理的动态。
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African Rangelands and Pastoralism in a changing continent: Perspectives and Opportunities
iii Eighty-five years ago, Africa was described as a land of promise because it provided an immense opportunity for maximum return in the minimum time (Olaniyan 2000). It was treated this way because it was considered more for its deposits of natural wealth and less for its potential for settlement or as a destination market for goods and services produced in Europe and elsewhere (Le Clair 1937). For over 50 years, this narrative held ground but in the last 20 years, perception has shifted with Africa becoming a destination market and a growth opportunity creator, whilst holding ground as a resource provider (Sy 2016). These externally driven perceptions are shifting how key natural resources on the continent are viewed, used and managed. Accordingly, contestations are emerging especially around the environmental–demographic realities. This is because of the emphasis currently placed on continuous economic growth requiring more resource inputs. This will ultimately lead to increased natural resources conflict (Abbink 2018). The exploitative narrative over Africa had become pervasive with respect to the categorisation and valuation of its natural resources. Accordingly, despite covering 43% of the continent’s land surface, rangelands have been subjected to a relatively negative narrative being described as undeveloped areas (Kratli 2010), and centers of degradation, erosion, desertification, droughts, famine and conflict (Martínez-Valderrama and Ibáñez 2023; Twinomuhangi et al. 2023). Such negative narratives influenced the kinds of intervention in rangelands, confining these large swaths of land to conservation areas such as national parks and game reserves (Jones 2006; Cavanagh et al. 2020), constraining livestock to species such as goats (Doro 2023), and expropriating lands from the Indigenous Peoples (Homewood et al. 2009; Guyo 2017). However, more recently, ecologists and economists have revisited the place of rangelands in the continent to provide alternative perspectives on the importance of these natural resources (Vetter 2013). Current evidence counteracts previous notions that African rangelands and pastoralism are unproductive and mismanaged systems (Liniger and Studer 2019). The contribution of rangelands to the livelihoods of African people is considerable and diverse. Most of the continent’s livestock providing diverse products including meat and milk produced from the rangelands (Holechek et al. 2017). Additionally, rangelands are increasingly recognised for their diverse role in the provision of ecosystem services (Ruvuga et al. 2019; Gatwaza and Wang 2023), including carbon sequestration (Denboba 2022) and other valuable provisions. As the population in Africa has grown rapidly over the last three decades and is projected to reach 2.5 billion people by 2050, food demand has also grown and will continue to rise (Dorin 2017). Rangelands have often been the frontiers for agricultural expansion and urban development, and land use conversion pressure is higher in existing rangelands, often with high population densities (Schlecht et al. 2020). Such patterns of land use change are causing inflexibility and restricting livestock mobility in traditional rangeland use centred around livestock herding (Feldt et al. 2020). Owing to these pressures, land tenure and land use policy, including land privatisation (Godde et al. 2020), sedentarisation, and conversion to other land uses, have become increasingly prevalent in the rangelands (Byakagaba et al. 2018). These changes are reorienting the livelihoods of the people domiciled in many African rangeland areas. Increasing global connections via trade and investment are leading to improved better infrastructure and increased accessibility of previously remote rangelands, thereby contributing to large-scale transformations of the traditional territories of rangeland-based people (Lind et al. 2020). Following the increasing global recognition of the momentous dynamics that are globally reshaping rangelands and biodiversity, the Government of Mongolia proposed in 2019 that the United Nations (UN) declare an International Year of Rangelands and Pastoralists (IYRP) in 2026. This proposal was subsequently endorsed by the United Nations Food and Agriculture Organisation (FAO) and approved by the United Nations General Assembly on 15 March 2022. The intention of celebrating the IYRP is to raise the profile of rangelands and pastoral societies worldwide and to enhance recognition of their valuable contribution to the economy, environment, society, and culture at a the local, national, and global level. Under the global IYRP coalition, African researchers decided to develop a special issue of the African Journal of Range & Forage Science to provide evidence on diverse topical issues converging around the theme rangelands and pastoralism in a changing continent. This African-led special issue presents emerging evidence for a regional perspective of dynamics that are reshaping the perception, valuation, development, and management of the continent’s rangelands.
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来源期刊
African Journal of Range & Forage Science
African Journal of Range & Forage Science ECOLOGY-ENVIRONMENTAL SCIENCES
CiteScore
4.00
自引率
14.30%
发文量
35
审稿时长
>12 weeks
期刊介绍: The African Journal of Range & Forage Science is the leading rangeland and pastoral journal in Africa. The Journal is dedicated to publishing quality original material that advances rangeland ecology and pasture management. The journal aims to publish research of international importance from any region, but as an African journal, we are particularly interested in research from Africa and relevant to the continent. The Journal promotes both science and its application and authors are encouraged to explicitly identify the practical implications of their work. Peer-reviewed research papers and research notes deal primarily with all aspects of rangeland and pasture ecology and management, including the ecophysiology and biogeochemistry of rangelands and pastures, terrestrial plant–herbivore interactions (both domestic and wild), rangeland assessment and monitoring, effects of climate change on rangelands, rangeland and pasture management, rangeland rehabilitation, ecosystem services in support of production, conservation and biodiversity goals, and the identification and development of intensive and semi-intensive pasture and forage resources to meet livestock production needs. Articles highlighting transdisciplinary linkages among biophysical and social sciences that support management, policy and societal values are particularly encouraged. The Journal includes relevant book reviews and invited perspectives that contribute to the development of range and forage science. Letters to the editor that debate issues raised in the Journal are acceptable. The African Journal of Range & Forage Science is the official journal of the Grassland Society of Southern Africa.
期刊最新文献
Estimation of standing crop biomass in rangelands of the Middle Atlas mountains using remote sensing data Assessment of the impact of woody species encroachment on plant species diversity and the livelihood of pastoralists in southeastern Ethiopia Book Review. Contested Karoo: Interdisciplinary perspectives on change and continuity in South Africa’s drylands From forage to multifunctionality: shifting perceptions of rangeland ecosystem services in the journals of the Grassland Society of Southern Africa The impact of sheep grazing on shrub communities at the Afrikaner and Hereford grazing trials at Grootfontein in the Eastern Upper Karoo
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