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Human/Environment Interaction

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Ashley Leyba

on 29 April 2016

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Transcript of Human/Environment Interaction

Population relatively stagnant
Migration: Out of Africa
Patterns of Settlement:
Follow migratory patterns of animals
Life expectancy: 20 years
Lived in small, kinship groups
Hand Axe
Slash and Burn Agriculture
Classical Civilization
Spread of epidemic disease
Smallpox, Justinian Plague
Population decreases dramatically
Contributes to decline of classical civs
Continued environmental degradation
Early Modern: Demography
Demographic collapse in the Americas and Siberia after new people introduce new diseases
New migration:
Africans to Americas
Euros to Americas
China: Population tripled from 1650-1750
Improved farming techniques
New crops from Americas
End of nomadic invasions
Late Modern Demography
Patterns of Migration
40 million Euros immigrated during this period
2 million Africans shipped from Africa to the Americas b/t 1750-1870
20th century Population Explosion!
New food crops, improved hygiene and medicine, declining infant mortality
Post-Classical Migration
1750-1914: Asia
Japan has huge pop. growth, especially after 1850
Population in Asia nearly doubled
Increased labor migration from Asia after 1750
Human/Environment Interaction
Agricultural Revolution (around 10,000BCE)
Leads to settlement
Domestication of Animals
Tech related to ag: canals, irrigation
Effects of Ag:
Major population boom
But decrease in life expectancy
Rise of disease
Environmental Degradation
Neolithic: New Patterns of Settlement
Small village communities
Pastoral Nomads
Rise of civilizations (and, thus, cities)
Mesopotamia (3500 BCE)
Egypt (3000 BCE)
Indus River (2500 BCE)
China (2000 BCE)
Olmec (1400 BCE)
Neolithic: Migrations and Technology
Bantu Migration
Polynesian Migration

Iron Metallurgy (c. 1500 BCE)
Population Growth
Expansion of Ag
Expansion of cities
Post-Classical Demography
Population begins to surge around 800 CE
Black Death
New Technology:
Europe: New plows, 3 field crop rotation
China: champa rice
Africa: iron plow

Post-Classical: Spread of Civilizations
Changes in Western Europe (1450-1750)
Increased Urbanization
1600: 50,000
1650: 400,000
2nd Agricultural Revolution
Crop rotation and enclosures
American crops (corn and potatoes)
Population in every area of Europe increased by 50-100% in 18th century
Europe: 1750-1914
Major population growth
Ag improvements
New Technology
Improved transportation
Creates a greater need for energy sources
Coal, electricity, gas, petroleum
Demographic Transition
High to low mortality
High to low fertility
Rapid urbanization and suburbanization
Decline in urban mortality
Germ Theory
Better sanitation
Reasons for Population Growth
Medicine and hygiene improve
More dependable food supplies
Political Uprisings

Be Awesome!!
Full transcript