The Regime of Perpetual Disturbance
The Regime of Perpetual Disturbance GEO 103
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This 1 page Class Notes was uploaded by Alyssa McKenzie on Thursday September 3, 2015. The Class Notes belongs to GEO 103 at Syracuse University taught by Robert Wilson in Fall 2015. Since its upload, it has received 107 views. For similar materials see Environment and Society in Geography at Syracuse University.
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Date Created: 09/03/15
GEO 103 Lecture 1 Wednesday September 2 The Reoime of Perpetual Disturbance 60 George Perkins Marsh 18011882 gt Wrote Man and Nature 1864 Humans can radically alter nature Had no idea of climate change Transforming nature affects forests wildlife and human society Nature left alone stays stable humans often disturb this harmony Humans do this out of greed and ignorance 60 Transforming the Earth Turning Points gt Humans modify the environment by Harnessing re Scares predators away 0 Burn forest to grow grassland for human bene t Migration of people out of Africa 0 New Zealand is one of the last places to have people migrate to Domestication of plants and animals Selective breeding creates new breeds Domestication of plants turning sunshine into edible human calories Only a few dozens of animals have been domesticated Humans rely on animals for labor Ex horse camel Evolution of new diseases Ex smallpox measles 0 Most of the population in Eurasia is immune to disease gt The Columbian Exchange The humanassisted migration of plants and animals across the Atlantic after 1492 Highly unequal exchange Plants migrating from North America to Europe Ex potato Lots of domesticated animals in Europe and Asia 0 Also bring diseases to North and South America Virgin soil epidemic gt Pre1800 Humans affect the environment from local to continental Didn t have the ability to equal or surpass natural forces lmpacts remained local and transitory gt The Industrial Revolution 18001945 Harnessed coal oil and natural gas fossil fuels Began in England in the late 17905 and extended in decades Steam Engine used for pumping water 0 energy source came from wood and coal Removed constraints on energy supply Industrial societies use 45 times as much energy as agricultural societies The development of new technology and transportation
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