Agriculture & Location Theory – Agriculture & Location Theory – Chapter 13Chapter 13

Questions?Questions? ReviewReview Last lecture!Last lecture! AgricultureAgriculture

• Von ThVon Thüünen and agricultural land usenen and agricultural land use• Principles and patterns!Principles and patterns!

Final Test-WednesdayFinal 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 Short Answer (one nice paragraph) 3@20=60

(choice of 6).(choice of 6). Chapters 9, 10, 11, and 13Chapters 9, 10, 11, and 13 All lecture material since the last test - All lecture material since the last test -

since November 5. since November 5.

Biological Oxygen DemandBiological Oxygen Demand

Last lecture…Last lecture… BOD: The amount of oxygen that BOD: The amount of oxygen that

would be consumed if all the would be consumed if all the organics in a volume of water were organics in a volume of water were oxidized by bacteria and protozoaoxidized by bacteria and protozoa

Clean water is very low, raw sewage Clean water is very low, raw sewage is very highis very high

If BOD is high, no dissolved OIf BOD is high, no dissolved O22 remains for higher life formsremains for higher life forms

Von ThVon Thüünen Modelnen 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

Von ThVon Thüünen Modelnen Model

LR = E (p – a) – E (f*k)

Y = a – bX

Rent in The Isolated StateRent in The Isolated State

Highest and best use is determined Highest and best use is determined by the use that can pay the highest by the use that can pay the highest rent rent

Bid rentBid rent Let’s plot location rents for three Let’s plot location rents for three

different land uses:different land uses:• LettuceLettuce• CornCorn• WheatWheat

Relaxing assumptions

Applying Von ThApplying Von Thüünen:nen:Land Use ZonationLand Use Zonation

Peri-urban model of Von ThunenPeri-urban model of Von Thunen Intraurban model of land valuesIntraurban model of land values Continental scale zonationContinental scale zonation