2026-10-11T07:46:13Z https://www.scidb.cn/oai

10.57760/sciencedb.IGA.00586 2023-10-12T16:07:34Z

2023-10-12 Heilongjiang Province 1:250000 Population Spatial Dataset (1990) doi:10.57760/sciencedb.iga.00586 en a. Data content (data file/table name, including observation index content) The 1:250000 population spatial dataset of Heilongjiang Province (1990) reflects the population distribution of various counties and cities in Heilongjiang Province in 1990, including three indicators: agricultural population, year-end total population, and rural population. b. Construction purpose Mainly providing data support for the research on the current situation, characteristics, and evolution patterns of population spatial distribution in Heilongjiang Province. c. Service object Students and researchers engaged in research related to population geography. d. Time range of data 1990 e. The spatial range of data Heilongjiang Province Heilongjiang Province; Population; 1990 杜书立 PUBLIC https://creativecommons.org/licenses/by/4.0/ dataset Science Data Bank