Human popultaion Comm 2270
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This 2 page Class Notes was uploaded by Kimberly Salazar on Monday August 8, 2016. The Class Notes belongs to Comm 2270 at 1 MDSS-SGSLM-Langley AFB Advanced Education in General Dentistry 12 Months taught by in Fall 2016. Since its upload, it has received 3 views. For similar materials see Communication for Teachers in Communication at 1 MDSS-SGSLM-Langley AFB Advanced Education in General Dentistry 12 Months.
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Date Created: 08/08/16
9/14/16 Human Population: Demographics 1. Population growth and its causes a) Reasons for population growth -Medicine (vaccines, antibiotics) -Sanitation (sewers, clean water) - Food production II. Developed vs. Developing Countries a) Developed Countries -High Income - Highly developed -Industrialized -Examples are: -United States, Canada, Western Europe, UAE, Australia, Japan - These countries have a higher standard of living and hold 80% of the world’s wealth, but only 20% of the world’s population b) Moderately developed countries -Middle income - Moderately developed - Examples include: - Mexico, most of Central and South America, South America, South Africa, China, Eastern Europe, some of the middle east c) Low Income Countries - These countries have the lowest standard of living and most inhabitants live on less than a dollar a day -Examples include: -Most of Asia, Some of Central and South America, Northern, eastern, western Africa, Afghanistan, and some of the middle east d) Fertility rate - The average number of children each woman has over her lifetime -2 is the magic number because you are just replacing both parents and population remains at equilibrium -Anything higher than two and the population increases; anything lower than two and the population decreases -Developed countries have an average fertility rate of 2.1 and developing countries have an average fertility rate of 3.2. However some countries have fertility rates as high as 6 or 7. e) Doubling rates -Developed countries have a doubling rate of 809 years -Developing countries have a doubling rate of 36 years f) What does this formula mean? - Environmental Impact= population size x affluence of life style/ stewardship - To reach sustainability we must: -Stabilize population -Decrease consumption - Increase stewardly care g) Issues in growing populations in developing countries - Subdivision of farms among the children of the next generation, or intensify cultivation of existing land to increase production per unit area -Open up new land to farming, i.e. deforestation and draining wetlands -Move to cities and seek employment -Engage in illicit or illegal activities for income - Emigrate to other countries, either legally or illegally III. Women and children -What happens to women and children? They are often hit the hardest. Why?
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