筛选
科学数据
统计数据
共检索到178条 ,权限内显示50条;

Political Systems Performance Data: France, Sweden, and the United Kingdom, 1850-1965;;Archival Version
- 负责人:
- 关键词:
- DOI:
- doi:10.3886/icpsr00035
- 摘要:
- work force employed in agriculture, the amount of agricultural production, the percentage of working-age population unemployed, the number of people on welfare

Political Systems Performance Data: France, Sweden, and the United Kingdom, 1850-1965;;Version 1
- 负责人:
- 关键词:
- DOI:
- doi:10.3886/icpsr00035.v1
- 摘要:
- work force employed in agriculture, the amount of agricultural production, the percentage of working-age population unemployed, the number of people on welfare

Data from: Phylogeography of Dendrolimus punctatus (Lepidoptera: Lasiocampidae): population differentiation and last glacial maximum survival
- 负责人:
- DOI:
- doi:10.5061/dryad.2df87g2
- 摘要:
- mitochondrial gene (COI) and biparentally inherited nuclear data (ITS1 and ITS2 ) among 23 natural populations across the entire range of the species in China. A total

World Handbook of Political and Social Indicators II: Cross-National Aggregate Data, 1950-1965;;Archival Version
- 负责人:
- 关键词:
- DOI:
- doi:10.3886/icpsr05027
- 摘要:
- e indicators of population size and growth, communications, education, culture, economics, and politics for the four base years: 1950, 1960, 1966, and 1965. Data

World Handbook of Political and Social Indicators II: Cross-National Aggregate Data, 1950-1965;;Version 2
- 负责人:
- 关键词:
- DOI:
- doi:10.3886/icpsr05027.v2
- 摘要:
- e indicators of population size and growth, communications, education, culture, economics, and politics for the four base years: 1950, 1960, 1966, and 1965. Data

Comparative Socio-Economic, Public Policy, and Political Data,1900-1960;;Archival Version
- 负责人:
- 关键词:
- DOI:
- doi:10.3886/icpsr00034
- 摘要:
- internal migration per 1,000 of native population, population density per square mile, the percentage of owner-occupied dwellings, the percentage of urban population

Comparative Socio-Economic, Public Policy, and Political Data,1900-1960;;Version 1
- 负责人:
- 关键词:
- DOI:
- doi:10.3886/icpsr00034.v1
- 摘要:
- internal migration per 1,000 of native population, population density per square mile, the percentage of owner-occupied dwellings, the percentage of urban population

Data from: Effects of landscape complexity and stand factors on arthropod communities in poplar forests
- 负责人:
- DOI:
- doi:10.5061/dryad.7p0sf3n
- 摘要:
- natural enemies at different spatial scales but inhibited poplar defoliators at the scale of 200 m. Specifically, abundance and diversity of all defoliators

World handbook of political and social indicators III 1982;;World handbook of political and social indicators III 1982
- 负责人:
- Wissenschaftszentrum, C.L. Taylor * Berlin (Data Collector)
- 关键词:
- Demography Economics and Business Administration Political science Science of law Social sciences Communication sciences Sociology demography demography economy
- DOI:
- doi:10.17026/dans-z9h-x7ky
- 摘要:
- / size of total area / size of area used for agricultural purposes / density of population / absolute GNP / GNP per capita and growth rate of GNP / numb

Data from: Resource selection and landscape change reveal mechanisms suppressing population recovery for the world's most endangered antelope
- 负责人:
- Goheen, Jacob R.
- 关键词:
- endangered species habitat loss megaherbivore declines predation risk reintroduction tree encroachment elephant extinction refugee species
- DOI:
- doi:10.5061/dryad.p1v07
- 摘要:
- Understanding how bottom-up and top-down forces affect resource selection can inform restoration efforts. With a global population size of <500