Datasets and R scripts from "Global risks posed by hornets to the provision of crop pollination"

Datasets needed to run R scripts corresponding to publication "Global risks posed by hornets to the provision of crop pollination": 01_variables: Preprocessing of variables used as predictors in Species Distribution Models 02_presences: Cleaning of occurrence data for 22 hornet species 03_peudoabsences: Creation of pseudoabsences to be used in Species Distribution Models 04_variable_selection: Correlation among variables and selection for modelling 05_modelling: Modelling the niche of hornet species 06_prediction: Projecting the potential niche of hornet species 07:pollination_dependency_map: Calculating the spatial provision of pollinator-dependent crop production worldwide 08_figures: Creating figures from paper用于运行对应论文《胡蜂对作物授粉服务构成的全球风险》（原英文标题："Global risks posed by hornets to the provision of crop pollination"）的R脚本所需的数据集： 01_变量预处理：针对物种分布模型（Species Distribution Model）中作为预测变量的各类变量开展数据预处理工作 02_出现记录清洗：针对22种胡蜂的物种出现记录数据进行清洗处理 03_伪缺席样本（pseudoabsence）构建：生成物种分布模型建模所需的伪缺席样本 04_变量筛选：开展变量间相关性分析与建模用变量筛选流程 05_生态位建模：对各类胡蜂的生态位进行建模分析 06_潜在生态位投影：对胡蜂的潜在适宜生态位开展空间投影预测 07_授粉依赖度图谱：计算全球范围内依赖传粉者的作物生产的空间供给量 08_论文图表制作：基于研究论文生成所需可视化图表