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Climate change and specialty coffee potential in Ethiopia

تغير المناخ وإمكانات القهوة المتخصصة في إثيوبيا
Authors: Bester Tawona Mudereri; Bester Tawona Mudereri; Amsalu Woldie Yalew; Amsalu Woldie Yalew; Christoph Gornott; Christoph Gornott; Abel Chemura;

Climate change and specialty coffee potential in Ethiopia

Abstract

AbstractCurrent climate change impact studies on coffee have not considered impact on coffee typicities that depend on local microclimatic, topographic and soil characteristics. Thus, this study aims to provide a quantitative risk assessment of the impact of climate change on suitability of five premium specialty coffees in Ethiopia. We implement an ensemble model of three machine learning algorithms to predict current and future (2030s, 2050s, 2070s, and 2090s) suitability for each specialty coffee under four Shared Socio-economic Pathways (SSPs). Results show that the importance of variables determining coffee suitability in the combined model is different from those for specialty coffees despite the climatic factors remaining more important in determining suitability than topographic and soil variables. Our model predicts that 27% of the country is generally suitable for coffee, and of this area, only up to 30% is suitable for specialty coffees. The impact modelling showed that the combined model projects a net gain in coffee production suitability under climate change in general but losses in five out of the six modelled specialty coffee growing areas. We conclude that depending on drivers of suitability and projected impacts, climate change will significantly affect the Ethiopian speciality coffee sector and area-specific adaptation measures are required to build resilience.

Countries
Italy, Germany
Keywords

910, Coffee, 630, Agricultural and Biological Sciences, Endocrinology, Pathology, Climate change, Psychology, Environmental resource management, Psychological resilience, Adaptation (eye), Ecology, Physics, Q, R, Life Sciences, 600, FOS: Psychology, climate change, Medicine, Science, coffee, Horticulture, Article, Environmental science, Specialty, Biochemistry, Genetics and Molecular Biology, Health Sciences, human, Mycoviruses in Fungal Symbiosis and Pathogenesis, Biology, Effects of Caffeine on Human Health, Pharmacology, algorithm, 500, Optics, Computer science, Cacao Agroforestry Management and Conservation, FOS: Biological sciences, Psychotherapist, Ethiopia

  • BIP!
    Impact byBIP!
    citations
    This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    55
    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    Top 1%
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    Top 10%
    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    Top 1%
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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
55
Top 1%
Top 10%
Top 1%
Green
gold