mni qu nem SI E P te a He em Population/Labour 
| Existing Land Use | Rural-Urban Migration 
Climato-Physical Technolo I 
gy 
Factors : 4 aie 
Market Land Use 
: : ; Agricultural 
| Price | Location Conversion : GNP 
Production Costs ; 
Costs Economic 
1 } [ Activity 
   
Urban Land Use 
Module 
Bio-Physical Crop Agricultural Income 
Yield Module Module 
ça” 
Agricultural |. : Land Use Decision Module | | AGENTS of CHANGE: 
Demand-Supply land owners, farmers. 
   
  
  
  
  
  
  
  
  
  
  
  
  
  
  
Urban Land 
| Paddy Field 
Mine 
Crop Land 
Orchard 
Plantation 
| Rice & Rice | 
Rice & Crop 
1 Mangrove 
| Idle Land 
s Water 
| Fish/Shrimp Farm 
Crop & Crop 
Other Land Uses 
Forest 
mU Others 
Figure 4. The Land use Map of Thailand in 1990 and the corresponding Simulated 
Cropping Pattern in 1990 
  
476 International Archives of Photogrammetry and Remote Sensing. Vol. XXXII, Part 7, Budapest, 1998 
KEY 
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appli 
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The ! 
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