AP Human Geography Agriculture Geography and Urban Geography Study Guide Please study the following: Modern Definition of Agriculture Primary Economic Sector Secondary Economic Sector Tertiary Economic Sector Quaternary Economic Sector Commercial Agriculture Subsistence Agriculture Intensive Subsistence Agriculture Extensive Subsistence Agriculture Intensive Commercial Agriculture Extensive Commercial Agriculture Labor Force Working in Agriculture (Worldwide and in the United States) Hunting and Gathering Regions Where Animals Were Originally Domesticated Major U.S. Dairy Producing Regions Carl Sauer Ester Bosrup Main Agricultural Hearths The Industrial Revolution and Agriculture Shifting Cultivation Swidden Agriculture Pastoral Nomadism Transhumance World’s Most Widely Produced Grains What happens to most of the grain in the U.S.? Top Wheat Producing Countries Top Wheat Producing States Green Revolution Top Grain Producing Area in Canada Barbed Wire and Cattle Ranching in the 1800s Feedlots vs. Traditional Methods Mediterranean Agriculture Most Important Crops in the Mediterranean Truck Farming Market Gardening Internal Migration and Vegetables in China Plantation Agriculture Luxury Crops Von Thunen’s Model Consequences of the Green Revolution and India Agribusiness Two Biggest GMO Crops Livestock Ranching and the Rain Forest Farm Subsidies The No Pork Zone (Regions) Metropolitan Statistical Areas (MSAs) Legal Incorporation of Cities Central Business Districts in the 1800s Major Regions in the United States That are the Most Auto-centered Ranking of Cities in the United States Top World Cities Number of World Cities by Continent Top Ten Most Populated Cities from 1950 to the Present Reasons for Growth of the Top Ten Most Populated Cities Different Challenges of Mega Cities in LDCs and MDCs Urbanization Rates by World Regions Different Megalopolises World Wide Squatter Settlements Central Place Theory Range Threshold Multiplier Effect Main Industries/Economic Activities in the Rust Belt, New England Area, Pacific NW, the Sun Belt, and the Upper Midwest Throughout the 20th Century Concentric Zone Model Peripheral Model Hoyt’s Sector Model Multiple Nuclei Model Reasons for the Growth of Sun Belt Cities Blockbusting White Flight Redlining Gentrification Filtering Latin American City Model Southeast Asian City Model World Regions That Have Cities with Grid Street Patterns Causes for Suburbs in North America Suburbs Annexation Problems in Inner City Neighborhoods Edge Cities Housing Developments Gated Communities Social Area Analysis Largest Metropolitan Areas in Canada Largest French Speaking Metropolitan Area in North America