Keyphrases
Ancient China
100%
Human Migration
100%
Agro-ecological Zones
100%
Land Carrying Capacity
100%
Migration Patterns
75%
China
50%
Major Determinants
50%
Rice
50%
Sub-national Level
50%
Copyright
25%
Climate Change
25%
Politicians
25%
Cultural Contexts
25%
Cultural Traditions
25%
Correlation Analysis
25%
Two-region
25%
Statistical Analysis
25%
Extended Period
25%
Push-pull
25%
Pastoral
25%
Regional Variation
25%
Multivariate Linear Regression
25%
Wheat
25%
Granger Causality Analysis
25%
Population Pressure
25%
Geographic Level
25%
Combination Pattern
25%
Pastoral Area
25%
Regional Migration
25%
Geographic Context
25%
Agricultural Practices
25%
Chinese Migration
25%
Cultural Customs
25%
Past Two Millennia
25%
Long-term Fluctuations
25%
Social Sciences
China
100%
Human Migration
100%
Carrying Capacity
100%
Chinese
25%
Climate Change
25%
Cultural Tradition
25%
Regional Variation
25%
Granger-Causality
25%
Population Pressure
25%
Regional Migration
25%
Earth and Planetary Sciences
China
100%
Land Carrying Capacity
100%
Human Migration
100%
Climate Change
25%
Population Pressure
25%
Agricultural Practice
25%
Agricultural and Biological Sciences
Carrying Capacity
100%
Ecological Zones
100%
Climate Change
25%
Immunology and Microbiology
Biochemistry, Genetics and Molecular Biology