Based on the analysis of geography background and characteristics of land, a classification system of land-type has been developed for 11 Experiment and Exemplary Areas (EEA) of Loess Plateau.

• 本文概述了黄土高原综合治理11个试验示范区的土地自然背景,它代表了黄土高原的绝大部分土地类型,对11个试区进行土地分类是综合治理黄土高原的基础工作。