甘肃省退耕还林还草区划刍议

Primary discussion of zonation of converting cultivated Land into f orests/grass in Gansu province

根据气候资源、土地状况、草地类型的不同,将降水和积温同海拔结合,并与相关的行政区划相统一,整体上将甘肃省的绿化区域划分为干旱荒漠区、高寒草原区、灌溉农业区、黄土高原区、青藏高寒区、半湿润区和亚热带湿润区7个区域,并进行了详细地分区论述,为甘肃省退耕还林还草和生态建设提供科学依据。

Based on difference among climate resource, soil condition, classification of grassland, combined the precipitation and altitude and united with associate regionalism, then divided the virescence territory of Gansu province into seven zones： drought-hungriness,alpine rangeland, irrigation agricultural.Loess Plateau, the Tableland of Tibet, semi-humid,and subtropical humid zones respectively. Summarized these zones detailedly, provide a scientific foundation for converting cultivated land into forests/grass and ecology construction.