Key Themes in Human Geography You probably already know this, but… http://geog.tamu.edu/sarah/humangeog.html Key Themes • Disclaimer… • Review of key themes • Resources • Questions The Disclaimer… • I am a professor… • I do not know anything about the test… • If you already know the key concepts and themes, please feel free to leave Key Themes in Human Geography Nature of … Two Perspectives Population Malthus / DTM Cultural Patterns… Diffusion Agriculture Von Thunen Industrialization Weber/Economic Sector Theory Central Place Theory Cities… Nature and Perspectives… • The key to success… Environmental Perspective Spatial Perspective Population • Malthus Model of Population Change – Population at geometric rate – Production at arithmetic rate • Result? • Malthusian Checks? • Criticisms… Cultural Patterns/Processes • Diffusion – Types • Expansion diffusion • Relocation diffusion Cultural Processes and Patterns • Diffusion – Processes • Dissemination of information about the innovation • Adoption of innovation 1953 1959 Agriculture and Rural Land Use • Von Thunen’s Model of Land Use $$$ Market Land 1/2 Transportation .50 Costs How about in the $/2 real world? $ $$ 1 $5 5 10 $20 $35 Intensity of production and type of land use varies with distance from the market. Industrialization & Development • Weber’s Model – Transport costs – Labor costs – Economies of scale Least cost location • Economic Sector Theory – Primary, secondary, tertiary, quaternary – Rise and fall of sectors with development Percent of Workforce Sectors of the Economy Tertiary Secondary Quaternary Primary Time Cities and Urban Land Use • Central Place Theory – Central Place: a town or city that provides a common location for obtaining goods and services – Market Area: the hinterland (surrounding area) served by a central place – Range: the distance a customer will travel for a specific good or service – Threshold: purchasing power of customers/consumers that supports provision of good or service