1. Agriculture & Location Theory – Chapter 13 Questions? Questions? Review Review Last lecture! Last lecture! Agriculture Agriculture Von Thünen and agricultural land useVon Thünen and agricultural land use Principles and patterns!Principles and patterns!

2. Final Test-Wednesday 50 minutes in-class on Wednesday. 50 minutes in-class on Wednesday. As previously confirmed: As previously confirmed: Multiple Choice: 20@2=40Multiple Choice: 20@2=40 Short Answer (one nice paragraph) 3@20=60 (choice of 6).Short Answer (one nice paragraph) 3@20=60 (choice of 6). Chapters 9, 10, 11, and 13 Chapters 9, 10, 11, and 13 All lecture material since the last test - since November 5. All lecture material since the last test - since November 5.

3. Biological Oxygen Demand Last lecture… Last lecture… BOD: The amount of oxygen that would be consumed if all the organics in a volume of water were oxidized by bacteria and protozoa BOD: The amount of oxygen that would be consumed if all the organics in a volume of water were oxidized by bacteria and protozoa Clean water is very low, raw sewage is very high Clean water is very low, raw sewage is very high If BOD is high, no dissolved O 2 remains for higher life forms If BOD is high, no dissolved O 2 remains for higher life forms

4. Von Thünen Model LR = E (p – a) – E (f*k) Yield Price received (gross revenue) Location-specific production costs Transportation rate (e.g. $/ton-km) Distance of parcel from market Yield-specific gross revenue potential without spatial effects The role of geographic location in adding to total production costs and reducing revenues for given yield yield

5. Von Thünen Model LR = E (p – a) – E (f*k) Y = a – bX

6. Rent in The Isolated State Highest and best use is determined by the use that can pay the highest rent Highest and best use is determined by the use that can pay the highest rent Bid rent Bid rent Let’s plot location rents for three different land uses: Let’s plot location rents for three different land uses: LettuceLettuce CornCorn WheatWheat

8. Relaxing assumptions

9. Applying Von Thünen: Land Use Zonation Peri-urban model of Von Thunen Peri-urban model of Von Thunen Intraurban model of land values Intraurban model of land values Continental scale zonation Continental scale zonation