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青海省河湟地区是指青海东部龙羊峡至寺沟峡区间的黄河流域以及黄河主要支流湟水流域、大通河流域地区。这里光热资源丰富,土地肥沃,农业开发历史悠久,是青海省人口比较集中的多民族聚居区。1990年区内人口348.1万人,占青海省总人口的80.2％,区内少数民族人口占总人口的30％左右。耕地面积47.8万公顷,占青海省耕地面积的83.5％;林地面积60.7万公顷,覆盖率12.6％;可利用草场280万公顷,占区内总面积的58.3％。1990年粮食总产量94.5万t,占全省总产量的85.4％。
The Hehuang area in Qinghai Province refers to the Yellow River basin between the Longyangxia and Siqiaoxia areas in the east of Qinghai Province and the Huanghe River, the main tributary of the Yellow River, and the Datong River Basin. Here is rich in light and heat resources, fertile land, agricultural development has a long history, is relatively concentrated in Qinghai Province, a multi-ethnic population. In 1990, the population in the region was 3.481 million, accounting for 80.2% of the total population in Qinghai Province. The minority population in the region accounted for about 30% of the total population. The area of cultivated land is 478,000 hectares, accounting for 83.5% of the cultivated land in Qinghai Province. The forest land area is 607,000 hectares with the coverage rate of 12.6%. The pasture area is 2.8 million hectares, accounting for 58.3% of the total area. The total grain output in 1990 was 945,000 tons, accounting for 85.4% of the total output of the province.