Tuesday, May 12, 2015

Arabica coffee yields decline in Tanzania due to climate change

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.

This research is part of the CGIAR program on Climate Change Agriculture and Food Security (CCAFS). 

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