Notes for Test 3 -

Notes for Test 3 - - Notes for Test#3 LATIN AMERICA Chapter...

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Notes for Test #3 3/12/08 LATIN AMERICA- Chapter 4 * Latin America o From the Rio Grande (Rio Bravo in Mexico) to Tierra del Fuego (southern tip of South America) o Most of Central and South America o Shared Colonial History: Iberian Countries * Physical setting – topography o Tectonic plates are being subducted below the South American plate o Creates Humboldt Trench off west coast and o Andes Mountains o Similar pattern of mountains along west coast of Mexico and Central America o Atlantic side characterized by upland plateaus called shields and humid lowlands. * Topography – western mountains and eastern shields o The andes: o Rugged mountains on pacific coastl o Altiplano: high plateau o Uplands of mexico and central America o High population densities o The shields: o Large upland areas of exposed crystalline rocks o Brazilian and Patagonian shields * Related issues: o Yungas Road: world’s most dangerous road o Bolivia: from capital La Paz down to the Amazon rainforest o Google “national geographic videos” o People and places/destinations/page 2/ “Danger Roads” o Dangerous because o Sheer topography o Extreme climate o Unstable geology o FIG 4.3 3/24/08 * Environmental issues
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o In and around cities. o Liveability o Intensely farmed zones o Deforestation o Loss of biodiversity o Degradation of farmland o Aggressive exploitation of natural resources o Economic benefits of extraction versus conservation. o FIG 4.4 * Mexico city (18 million people) o Smog factors: o Surrounded by mountains o Limits wind o Temperature inversion o Unregulated emissions o Water supply: o overdrawn aquifer o Leaky infrastructure o Subsidence: o Sank 30 feet during last century. * Environmental issues o Deforestation of amazon tropical rain forests for: o Agriculture o Livestock o Minerals mining o Grassification o Urbanization: o Smog o Inadequate water supplies o Garbage removal * Climate o Rainforest to desert o Enormous variation in temperature and precipitation o Some southern hemisphere seasonality o El Nino: altered weather pattern caused by warm current in Pacific o FIG 4.15 * River basins and lowlands o Three great river basins: o Orinoco Grasslands with ranching
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Oil and gas production o Amazon o La Plata Itaipu Dam between Paraguay and brazil o FIG 4.13 * Environmental geography characterized by Topicality o Much of Latin America falls within Tropics o Tropical ecosystems have great diversity of flora and fauna o Concern about deforestation of rainforest 3/26/08 * Why rain forests matters? o Youtube.com o Search for: “national geographic Paraguay shaman” o Shaman: medicine man o Encourage biodiversity o Rainforest plants may contain cures for diseases * Atacama desert o west coast of chile o driest place on earth o water is collected from fog o south of town of arica in northern chile, * Water is collected in fog nets. o
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This note was uploaded on 05/04/2008 for the course GEOG 1001 taught by Professor Baksi during the Spring '07 term at LSU.

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Notes for Test 3 - - Notes for Test#3 LATIN AMERICA Chapter...

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