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The Von Thunen Model

A quick review of the basic tenants of the Von Thunen Model.

Kendal Webb

on 16 April 2013

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Transcript of The Von Thunen Model

u¨uu¨¨ ¨ The Von Thunen Model Works Cited http://www.sjsu.edu/faculty/watkins/thunen.htm By Gracie Webb Johann Heinrich von Thunen formulated the Von Thunen model from his observations of northern German cities in the early 1800s. The model says that farmers have to take 3 things into account: The cost of land per year, the price of crops when sold, and the cost of transportation to market. The Market Central cities are generally the largest markets that goods are transported to for processing or sale. Horticulture & Dairying The first ring in the Von Thunen model produces dairy products, fruits, veggies, and flowers. Land costs in the first ring around the city are high, but so are sale prices for these products. All of these products spoil quickly and require quick transport to market. Forestry Wood is grown in the second ring because it requires lots of land and the land must therefore be cheap. Also, wood is very expensive to transport and must be located relatively close to the city. A good compromise of these two musts is the 2nd ring, as it is close enough for cheap transport but far away enough for cheaper land. Three Field Three field crops like cereal grains are in the 3rd ring because they require vast amounts of land and are not nearly as expensive to transport as wood or as fragile as fruits &veggies. Also, farmers need land that they can afford to leave fallow for about 1 out of 3 years in order to keep the land in good shape. Ranching & Livestock Ranching and livestock requires huge amounts of cheap land that doesn't necessarily have to be good for anything except growing grass. And now, a 5 minute review on... Quiz 1. What are the three things farmers must consider when choosing a crop to plant? Answer: The cost of land per year, the amount of money they get from the crops, and the cost of transportation to market. 2. What is in the first ring? Why are these crops located there? Answer: Horticulture and Dairying. This is because the products spoil quickly and need to be close to market. They also require a relatively small amount of land and have high volumes. 3. What's in the second ring? Why? Answer: Forestry is in the second ring because it requires more land than horticulture but must be close to the city because of the expense of transporting lumber. 4.What is in the third ring? Why? Answer: Cereal crops such as rice, corn, and wheat are grown in the third ring because they require lots of cheap land and these crops are relatively easy to transport. 5. What is in the Fourth Ring? Why? Answer: Ranching is in the fourth ring because it requires huge amounts of land that must therefore be cheap. Exceptions The Von Thunen model can be greatly altered by site features like a river or mountains. Governments also sometimes disrupt the model by subsidising certain crops. 6. What are some things that could alter the Von Thunen model? Answer: Things such as rivers in the middle of a city, other quick transportation routes, obstacles like mountains, governments encouraging growth of certain crops, and cultural preferences for certain types of crops can all modify the model. In conclusion, the Von Thunen model is a reliable predictor of where agricultural activity will be located around a market. Thank You for Watching! http://people.hofstra.edu/geotrans/eng/ch6en/conc6en/vonthunen.html Rubenstein, James M. The Cultural Landscape: An Introduction to Human Geography. 9th ed. Upper Saddle, River, NJ: Prentice Hall, 2008. Print.
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