GY 105 Lecture Notes - Lecture 4: Mercosur, Neoliberalism, Educational Equity
12 Sep 2016
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Document Summary
Region linked because of shared colonial history. Neotropics: the tropical ecosystems of the western hemisphere. Major concerns relate to deforestation, loss of biodiversity, and livability of. Large sections of region lie outside the tropics urban areas. Amazon basin and eastern lowlands of central america and mexico retain forests. Topography and weather factors in mexico city and santiago. The uplands of mexico and central america. Settlement of mexican plateau & volcanic axis. Altitudinal zonation illustrates relationship between elevation and temperature that results in changing vegetation. El nino is change in ocean temperatures that occurs that alters typical weather patterns. Climate change affecting agricultural productivity, water availability, changes in ecosystems, and increases in vector-borne diseases. Population & settlement the dominance of cities. Historical populations clustered in interior plateaus and valleys. Recent growth is coastal regions, especially atlantic lowlands. Brazil, mexico, colombia, and argentina account for 70% of region"s population. Region has high level of urban primacy.
