A new study, conducted by researchers at the University of Witwatersrand in South Africa, claims that arabica coffee yields decline in Tanzania due to climate change.
According to the
study, published in the journal Agricultural and Forests Meteorology, for each
1-degree Celsius rise in nighttime temperatures, Arabica coffee yields are
likely to decline by approximately 137 kilograms of coffee per hectare. That is
almost half the average small producer’s production, which is currently 225
kilograms per hectare.
If trends continue as
has been observed during recent decades, the study says, then Arabica coffee
production in Tanzania will drop to 145 kg per hectare by the year 2060.
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