尼日利亚三个州水产食品价值链的快速转型

L. Liverpool‐Tasie, A. Wineman, Mark Umunna Amadi, A. Gona, C. Emenekwe, Ming Fang, Olawale Olunuga, R. Onyeneke, S. Norbert, Taiwo Mayomi Adenike, Thomas Reardon, Ben Belton
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引用次数: 1

摘要

尼日利亚是非洲人口最多的国家、第三大水产品生产国和第二大水产养殖国。关于尼日利亚水产养殖和渔业的研究不胜枚举,但迄今为止还没有一项研究将水产养殖和捕捞渔业价值链放在一起进行分析,同时对所有价值链环节给予同等重视,并系统地捕捉价值链结构、行为和绩效方面的时间趋势信息。我们对尼日利亚三个州(埃邦伊州、凯比州和奥约州)水产食品价值链八个环节的 180 名参与者进行了结构化、定性和快速调查。(1) 部分纵向一体化是所有价值链环节中企业组织的共同特征,是克服市场缺陷和摩擦的一种降低风险战略。进口中间投入品的稀缺性和高成本刺激了饲料和加工品的本地创新和进口替代制造。(2) 家禽业的跨行业溢出效应加速了鱼类价值链的发展,而电力供应的改善使冷藏能力得以扩大,促进了冷冻鱼类价值链的地理延伸。(3) 所有价值链环节,包括通常被视为传统的环节,如加工和捕捞,都在发生快速的技术和/或制度变革。物流服务日趋专业化和复杂化,包括社交媒体在内的数字通信技术在价值链协调和营销中发挥着越来越重要的作用。(4) 时间的机会成本不断增加,推动了对熏鱼和炸鱼等方便食品的需求,这些食品几乎不需要进一步的准备,可在室温下储存。对养殖鲶鱼的需求与酒吧和餐馆日益增长的外出消费有关。(5) 在性别平等、环境影响和食品安全方面,存在着提高价值链绩效的重要机会。
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Rapid transformation in aquatic food value chains in three Nigerian states
Nigeria is Africa’s most populous country, third largest fish producer, and second largest aquaculture producer. There have been numerous studies of aquaculture and fisheries in Nigeria, but no study to date has analyzed aquaculture and capture fisheries value chains together, while giving equal weight to all value chain segments and systematically capturing information on temporal trends in value chain structure, conduct, and performance. This paper does so.We conducted a structured, qualitative, rapid reconnaissance survey of 180 actors from eight segments of the aquatic food value chain in three Nigerian states with contrasting geographies, Ebonyi, Kebbi, and Oyo.Results particularly important for future research and policy are as follows. (1) Partial vertical integration is a common feature of the organization of firms in all value chain segments, as a risk reduction strategy to overcome market imperfections and frictions. Scarcity and high cost of imported intermediate inputs is stimulating local innovation and import substitution manufacturing of feeds and fabricated items. (2) Inter-sectoral spillovers from the poultry industry have hastened the development of fish value chains, while improvements in power supply have enabled the expansion of cold storage capacity, facilitating the geographical lengthening of frozen fish value chains. (3) Rapid technological and/or institutional change is occurring in all value chain segments, including those usually viewed as traditional, such as processing and fishing. Logistics services are becoming more specialized and sophisticated, and digital communications technologies including social media play an increasingly important role in value chain coordination and marketing. (4) Increasing opportunity costs of time drive demand for convenience foods such as smoked and fried fish, which require little further preparation and can be stored at room temperature. Demand for farmed catfish is linked to growing consumption of food away from home at bars and restaurants. (5) Significant opportunities exist to improve the performance of value chains in terms of gender equity, environmental impacts, and food safety.
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