Computer Minimodels and 
Simulation Exercises for
Science and Social Science. 
H.T. Odum, University of Florida, 
E. Odum, Santa Fe Community College,
Gainesville, Flórida, USA, 1994. 
Ecosystem Simulations
You will find links to several ecosystem simulation programs. Just enter some values of some characteristic parameters and you will get the graphs. 
  1. Tank, a Model of Storage
  1. Cash, a Money Tank
Introductory Models for all Systems
  1. Exponential Growth
  2. Renewable Source
  3. Non-renewable Source
  4. Two Sources
  1. Slowly Renewable Source
  2. External Limiting Factor
  3. Internal Limiting Factors
  4. Production and Consumption
Ecological Models
  1. Draining Tank
  2. Logistic Growth
  3. Competition
  4. Collaboration
  5. Exclusion
  6. Interactions
  7. Oscillation
  8. Prey-Predator
  9. Net Production
  1. Open Aquarium
  2. Pulsing and Recycling
  3. Salt Marsh
  4. Wetland
  5. Fire
  6. Lagoon
  7. Succession and Climax
  8. Island Speciation and Dispersal
  9. Species and Area of Resources
Economic Models
  1. Sales
  2. Currency
  3. Banking
  4. Economic Use of Renewable Source
  5. Economic Use of Reserves
  6. Economic Use Loop
  7. Agricultural Yield
  8. Forestry Yield Cycle
  9. Generic Environmental Use
  1. Potato Famine in Ireland
  2. Land Rotation
  3. Buying Power
  4. Money-driven Growth
  5. Trade-controlled Growth
  6. Macroeconomics
  7. World Growth
  8. Develpment of a Nation
  9. International Money Circulation
  10. World Population

Laboratory of Ecological Engineering & Applied Computing
Programs in Java prepared by the IAESTE students Stefan Kontur, Technical University TU Graz (Austria), and Manuel Basler, Institute of Technology ETH Zurich (Switzerland) and FEA-Unicamp student Camila Duarte, under guidance of Dr. Enrique Ortega, LEIA, FEA, Unicamp. January 2001. Lat revision: April 12, 2002