The Icelandic highland communal grazing areas.J Thorsson,O Arnalds,A L Aradottir,A Helgadottir, A Hopkinsmag(2013)引用 23|浏览8暂无评分关键词erosion,environmental protection,arid landsAI 理解论文溯源树样例生成溯源树,研究论文发展脉络Chat Paper正在生成论文摘要