The vector dataset is based on the FAO UNESCO World Soil Map. A world digital soil map with a scale of 1:5.000.0000 was cropped to obtain soil distribution data in the Heilongjiang River Basin. Data source（ https://data.apps.fao.org/map/catalog/srv/eng/catalog.search#/metadata/446ed430 -8383-11db-b9b2-000d939bc5d8).
中心点纬度：48.824726
中心点经度：124.37157
最大缩放级别：10
最小缩放级别：1
Current zoom level：5