【摘要】 以泰安市为例对“四荒”的分类、分级进行了探讨。借助地貌学概念和水土保持学的思想 ,对荒山、荒丘、荒沟、荒滩进行了分类 ;“四荒”分级则是通过对“四荒”资源特征的评价确定适宜性级别。更多还原

【Abstract】 It evaluates the classifications and grades of“four types of waste lands” in Tai’an city.Classifing barren hill, barren hillock, barren ravine and barren wastes with the aid of the conception of geomorphology and the thought of the soil and water conservation;the grades of“four types of waste lands”are conducted through evaluated it’s resource feature and defined the suitable grades.更多还原