depletion of natural capitals by buzz pfeiffer and dallas reed
Post on 21-Dec-2015
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Depletion of Natural Capitals
By Buzz PfeifferAnd
Dallas Reed
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Advanced societies
• Heavy burdens on natural resources• Depletion increase with population growth• Societies fail = destruction of social and
cultural infrastructure.
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Easter Island•First settlement- Polynesian 300AD•1600’s =no trees•Warfare and strife prevailed•1722-1770 European arrival (dead statues).
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Where did the trees go?
• Farmers clearing• To move the statues• Personal resources
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What happens with out trees?•Erosion•Poor absorption of precipitation•Find new places to live.•Disease, starvation, slavery, raids.
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Haitis Situation
• Severe Deforestation• 1923- 60%• 1954- Charcoal demand• 2006- 98%-99% Sugar /coffee production
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Clear depiction of Deforestation
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Effects of Deforestation
• Worsens drought, leads to desertification• Agricultural productivity• Damages…dams, irrigation, roads…..• 15000 acres lost annually
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Deforestation of Haiti
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Indias Predicament
• Water deficit-104%• Population 1 billion• 2050 pop. ~2billion• 80% gets food from agricultural
infrastructure…so far.
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Look out India!
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Objectives
• To provide our audience with the understanding that fresh water, forests and the biodiversity they supply are already under considerable stress.
• We wish to accomplish an educated understanding for our audience that as the human population grows greater stress will be applied to the earths natural resources.
• The audience should know that as population increases resource deficits become larger populations can fail (crash).