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The Human Mosaic CHAPTER THREE. Population Geography: Shaping the Human Mosaic. Kolkota, India. Introduction : What is geodemography? Spatial and ecological aspects of population density, distribution, fertility, gender, living standards, health, age, etc.
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The Human MosaicCHAPTER THREE Population Geography: Shaping the Human Mosaic
Introduction: What is geodemography? Spatial and ecological aspects of population density, distribution, fertility, gender, living standards, health, age, etc. What parts of the world see population growth, what parts don’t? Why? > 7 billion people!
I) Demographic Regions A. Population Distribution and Density - uneven distribution of people on a global scale - largely unpopulated vs. thickly settled regions >72% live on the Eurasian continent < 8% live on the North American continent - Three major population clusters: 1) East Asia 2) Indian subcontinent 3) Europe - population density vs. physiological density & carrying capacity: “density beyond which people cease to be nutritionally self-sufficient" What is the carrying capacity of a given piece of land?
your book shows the most recent data and expected future growth • note the corrections indicating less growth until 2050 • will global population growth come to a standstill earlier than expected?
From where does U.S. oil come? Has “fracking” changed the situation?
B. Patterns of Natality - Birthrate (number of births / year / 1000) - Total Fertility Rate (TFR) (children / woman) (focus: women, family size, future development) - TFR < 2.1 leads to population decline - Worldwide contrasts of TFR values - Hong Kong (TFR 1.02) and Macao (TFR 0.91)! C. Geography of Mortality - Death Rates (number of deaths / year / 1000) - worldwide contrasts in death rates - correlation to TFR? - sub-Saharan Africa? - Europe? - North America? - death comes in different forms geographically
D. Population Explosion - dramatic increase since 1900 (Why?) - decrease in death rates while TFR remains high - result is geometrical population increase, where doubling times become increasingly shorter - 62 billion people! Thomas Malthus (1766-1834) "Human ability to multiply far exceeds our ability to increase food production" - Is that true? - Need to check population growth - How? ----- Wars? Famine? What else?
E. Or Population Implosion Perhaps? - Is the world overpopulated today? - Although we see decrease in TFR rates in many countries, is the population explosion over? F. The Demographic Transformation Model - The Stages: 1) Pre-Industrial 2) Beginning Industrialization 3) Transitional 4) Industrialization Completed 5) Postindustrial Period How do societies move from one stage to the next? Technical innovations? Birth control?
Demographic Transition Figure 1.35 The Different Stages of the Demographic Transition
G. Age Distribution - Why do some countries have overwhelmingly young populations? - Why does the age structure vary within the United States? - Population Pyramids as devices to study age and gender characteristics of societies. H. Geography of Gender - geographical differences in sex ratio within the U.S. and throughout the world - "gendered spaces" (from Mount Athos in Greece to Valdosta, Georgia) - female infanticide (see China and India)
Population Pyramids from the US Which of these represents Laredo (TX), Lawrence (KS), Naples (FL), or Cedar Rapids (IA)?
I. Standard of Living - infant mortality rate (number of children/ 1000) (measure for health, nutrition, sanitation, access to doctors, education, etc.) - Human Development Index (literacy, life expectancy, education, wealth)
II) Diffusion in Population Geography How does demography relate to the theme of cultural diffusion? A. Migration - from the early beginnings in central Africa to today's examples of migration - push- and pull factors of migration - 50 million Europeans in the 19th century - change of national and international migration patterns over time - voluntary vs. forced migration B. Disease Diffusion - example of aids in Africa, its source of origin, and its spread through the rest of the world - aspects of contagious, relocation, and hierarchical diffusion