URL：https://www.researchgate.net/publication/359094880/figure/fig2/AS:1131413990580225@1646761524381/Map-showing-the-Koeppen-climate-classification-of-Africa-Peel-et-al-2017_Q320.jpg
掲載元：https://www.researchgate.net/publication/359094880_Impacts_of_climate_variability_and_change_on_Maize_Zea_mays_production_in_tropical_Africa
