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103 HUMANPOP 2

103 HUMANPOP 2 - HUMAN POPULATION GROWTH 1 REVIEW OF FACTS...

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HUMAN POPULATION GROWTH 1. REVIEW OF FACTS. 2. MODEL OF POPULATION GROWTH – THE DEMOGRAPHIC TRANSITION. 3. HOW CAN WE DECREASE BIRTH RATES? 4. SOCIAL & CULTURAL CONSIDERATIONS. Suggested readings: Dietz, T., et al. 2007. Driving the human ecological footprint. Frontiers in Ecology & Environment 5:13-24.
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REVIEW WORLD POPULATION – 6.8 BILLION ADDING 80 MILLION / YEAR USA POPULATION – 308 MILLION OTHER COUNTRIES - CHINA: 1.3 BILLION INDIA: 1.1 BILLION
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PROBABLE WORLD’S POPULATION BY 2100 MANY COUNTRIES WILL CONTINUE TO GROW BECAUSE OF “______________ __________________________ _____________ MOST LIKELY BY 2100 HOW DO THEY COME UP WITH THESE NUMBERS?
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HUMAN AGE PYRAMIDS IN MANY DEVELOPING COUNTRIES, HUGE % OF POPULATION IS VERY YOUNG. THESE COUNTRIES WILL CONTINUE TO GROW DUE TO “POPULATION MOMENTUM.”
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DEMOGRAPHIC TRANSITION MODEL
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DEMOGRAPHIC TRANSITION MODEL STAGE 1 . HIGH BIRTH RATES, HIGH DEATH RATES, LOW POPULATION. ________________________________ .
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DEMOGRAPHIC TRANSITION MODEL STAGE 2 . SOCIETY BECOMES MORE MODERN. BETTER FARMING, HEALTH CARE, EDUCATION, ETC. RESULT: DEATH RATES DECREASE . BUT BIRTH RATES STAY HIGH (FAMILY CHOICE).
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