GEO 103 First Reading 100,000 years notes
GEO 103 First Reading 100,000 years notes GEO 103
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This 2 page Class Notes was uploaded by Ryan Stinson on Thursday September 3, 2015. The Class Notes belongs to GEO 103 at Syracuse University taught by Robert Wilson in Summer 2015. Since its upload, it has received 98 views. For similar materials see Environment and Society in Geography at Syracuse University.
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Date Created: 09/03/15
THE FIRST 100000 YEARS Turning points in historyrarely political Historians love written documentation historical sociologists handle prehistoric data focus on environmental history Turning Points 7 harnessing fire emergence of language spoken migration from Africa through Earth animalplant domestication emergence of cities Columbian Exchange fossil fuel development harnessing of fire half million years ago before homo sapiens happened in Africa where hominids were allowed for shaping of landscapes eg forest gt grassland thru burning also altered genes and ours more foods thru cooking could sweat chase animals til collapse use of fire helped accelerate our adaptations to the grassland habitat and its benefits Janguage possibly 50000 years ago allowed for coordinated hunting communication of water locationsdangers longer lives greater reproduction numbers ess chance of extinction migration leave behind diseasesprey wary of hominid tricks naive new prey not used to human hunting tactics in effect an invasive species of AsiaEuropeAustraliaAmericas entered new continents armed rogue and dangerous advent of humans coupled with climate change often meant extinction for larger mammals in newer regions left humans with few animals to domesticate AsiansEuropeans more diseased than AustraliansAmericans however this was a disadvantage when the europeans came later AP domestication 1100012000 years ago ZagrosTaurus mountains in the Middle East possibly earlier in low tropics but they have since been submerged by rising seas farmingdenser populations first constructed environments more sedentary lifestyle some fishermen built villages near good waters but farming made this a common practice human selective breeding produced new species for benefit eg Mesoamerican grass teosinte becomes edible Maize corn virusesbacteria in intestinal tract could flourish with new dense living conditions worsened when farmers Eurasia lived in close proximity to Dom animals bacteria lived in pigs fowl and eventually humans led to first worldwide pandemicsmallpox camelsgthumans 5000 years ago actose intolerance connections between environmental cultural genetic change before domestication all ppl became intolerant after childhood after domestication more dairy available cheese yogurt milk etc mutation allowed ppl to keep consuming as adults now 8090 carry allele necessary to create allele for digesting lactose Citiesgt emerged about 5000 years ago so unhealthy they couldn t keep up with own mortality rates wow haha relied on constant influx of immigrants etc were black holes for population until 120100 years ago when improvements were made to living conditions cities also required access to woodlandsriversetc city required 50 times its area in woodlands for fuelsupply also required soil renourishment ie the untapped potential of animal wastes Manure is worth more than a man with a doctorate became the loci of highconsumption lifestyles