'Demographic transition model' diaporamas de présentation

Analyzing Agriculture

Analyzing Agriculture. AP Princeton Review Human Geography. Agriculture. One of the activities that makes up the primary economy In stage two of the Demographic Transition Model as well as Third World Countries, agriculture is the primary mode of economic productivity

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Analyzing Economical Geography

Analyzing Economical Geography. AP Princeton Review Human Geography. Sectors of Production. The economy can be divided into several different categories known as sectors Can be grouped by its stage in the production process, from primary production onwards Three to five categories

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Geography: Its nature and perspectives

Geography: Its nature and perspectives. UNIT I.

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The Demographic Transition

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Population Dynamics and Growth

Population Dynamics and Growth. Exponential Growth. ideal habitat -maximum reproduction -unlimited resources. Population size ( N ). Increase often followed by crash. Time ( t ). Reindeer on an Alaskan island. 2,000. 1,500. Number of reindeer. 1,000. 500. 1910. 1920. 1930. 1940.

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Why Is Population Increasing at Different Rates?

Why Is Population Increasing at Different Rates?. Demographic transition Four stages Stage 1: Low growth Agricultural revolution Stage 2: High growth Industrial Revolution Stage 3: Moderate growth Stage 4: Low growth Zero population growth (ZPG). Demographic Transition. Figure 2-15.

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Theories of Population Growth

Theories of Population Growth. Thomas Malthus. Thomas Malthus is often regarded as the father of demography, the study of population. Malthus looked at the rate of population growth and concluded that food production could not possibly increase fast enough to be sufficient. Thomas Malthus

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World population clock

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Malthus and Population

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PEOPLE EVERYWHERE

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POPULATION

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Population Geography

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Population Pyramids

Population Pyramids. Dependency Ratio. The number of people who are too young or too old to work, compared to the number of people in their productive years . Dependency Ratio. 0-15 = Dependents 16-64 = Workers 65+ = Dependents DR = Number of Dependents (0-15 and 65+)

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The earth is

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Migration

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Demography

Demography. The increase of the world population*. Population histograms : ranking/country**. Population curves between Europe and Africa**. Resources * http://www.ined.fr/en/everything_about_population/animations/world_population/

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What does this special graph tell us?

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Unit 6

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Demographic Comparison Tunisia and Zimbabwe

Demographic Comparison Tunisia and Zimbabwe. All data from 2005 Population Data sheet unless otherwise stated www.prb.org. Task: Apply Level 4 analysis to data - ID Level 2 Patterns Attempt to answer Level 3 whys? . Natural Increase / Fertility Rate. Birth rate and Death Rate.

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Population Pyramids

Population Pyramids. Population Pyramid. Two Bar graphs showing the age distribution of male and females in a population. Types of Pyramids. Stable Constrictive Expansive. From: http://www.cdli.ca/courses/geog3202/unit06_org03_ilo02/b_activity.html.

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