PGRH Alentejo – RH7 – Part 2 – Average year specific erosion charter

River Basin Management Plan integrated in the Guadiana Hydrographic Region – RH7 Volume I – Report Part 2 – Characterisation and Diagnosis Chapter 4 – Risk analysis and protected areas Volume 4B – Average specific erosion charter in the average year整合于瓜迪亚纳水文区（Guadiana Hydrographic Region）的流域管理计划——RH7 第一卷——报告 第二部分——特征刻画与诊断分析 第四章——风险分析与保护区 第四卷B分册——多年平均单位面积侵蚀量导则