Africa's food systems are among the most vulnerable sectors to climate risk. Unfortunately, numerous activities along food supply chains (production, processing, storage, marketing and consumption) are also important contributors to climate change. Despite the differential effect of climate events on activities along food supply chains and vice versa, most climate change perception studies in agriculture focus on producers, particularly crop farmers. This study adopts a value chain perspective to examine climate change perceptions among economic agents all along the maize-poultry value chain in Nigeria. We find that economic agents perceive those climate events that have a direct effect on their economic activity and this is not restricted to crop farmers. We also find that very few actors along the maize-poultry value chain believe that their economic activity negatively affects the environment and contributes to climate change. Though African countries might currently not be major contributors to climate change, this indicates a need for more awareness among economic agents about the effects of various agriculture-related activities on the environment and their contributions to climate change to encourage practices and technologies that can reduce agriculture's negative effect on the environment and contribution to climate change.

中文翻译：

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农业价值链上气候事件的感知和暴露：来自尼日利亚的证据。

非洲的粮食系统属于最容易遭受气候风险影响的部门。不幸的是，食品供应链上的许多活动（生产，加工，储存，销售和消费）也是造成气候变化的重要因素。尽管气候事件对沿食物供应链的活动产生不同的影响，反之亦然，但大多数农业方面的气候变化感知研究都集中在生产者，特别是农作物种植者上。这项研究采用价值链的观点，研究了整个尼日利亚玉米-家禽价值链中各经济主体之间对气候变化的看法。我们发现，经济主体感知到那些对其经济活动有直接影响的气候事件，而这不仅限于农作物种植者。我们还发现，玉米-禽类价值链上几乎没有行为者相信他们的经济活动对环境产生负面影响，并助长了气候变化。尽管非洲国家目前可能不是气候变化的主要贡献者，但这表明经济主体需要提高对与农业有关的各种活动对环境的影响及其对气候变化的贡献的认识，以鼓励减少农业生产的做法和技术。对环境和气候变化的负面影响。