R Script and data for concave niche modelling to assess the potential of 138 African forgotten food crops for staple crop diversification under climate change

R Script for concave-niche modeling and corresponding datasets. This R Script is being used for the analysis of a paper titled "Forgotten food crops for healthy diets in a warmer sub-Saharan Africa".用于凹生态位建模（concave-niche modeling）的R脚本及对应数据集。本R脚本已被应用于题为《气候变暖背景下撒哈拉以南非洲地区助力健康膳食的被遗忘粮食作物》的学术论文分析工作。