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| OCEA0018-1 | Introduction tp modelling ecosystems
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| Duration : | 15h Th, 15h Pr |
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| Credits/ECTS : |
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| Holder(s) : | Marilaure Grégoire |
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| Language : | Langue française |
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| Course contents : | CHAPTER 1 Introduction
- What is a model?
- Why do we need models?
CHAPTER 2 Model formulation
- Conceptual model
- Mathematical model formulation
- Formulation of ecological interactions
- Chemical reactions
- Inhibition
- Coupled model equations
- Impact of physical conditions
CHAPTER 3 Spatial components
- Taonomy of spatial models
- Spatial boundary conditions
- Example: competitive interactions in a lattice model
CHAPTER 4 Parameterisation
- In situ measurement
- Literature-Derived parameters
- Calib_ters.43
CHAPTER 5 Model solution
- Initial conditions
- Analytical solutions of differential equations
- Numerical solution of differential equations
- Steady-state and stability analysis
CHAPTER 6 Testing and validating the model
- Dimensional homogeneity and consistency of units
- Conservation of energy and mass
- Testing the correctness of the model solution
- Testing the internal logic of the model
- Model verification
- Model validity
- Model sensitivity
- Example_74
- Example of the conservation principle: a mass budget of a marine bay
CHAPTER 7 Taxonomy of ecological models
- Strategic versus tactic models
- Continuous and discrete time models
- Deterministic and stochastic models
- Density-biomass specific models
- Physiological - individual-based - population - ecosystem models
- Example: growth of a Daphnia individual
CHAPTER 8 Appendices
- Taxonomy of differential equations
- Solving difference equations
CHAPTER 9 Books for further reading |
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| Course objective : | The main aim of this course is to learn how to conceptualize, parameterize and implement mathematical models of marine biogeochemical processes |
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| Prerequisites : | None. The mathematics used will be quiet elementary |
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| Workshops : | The half part of the time will be devoted to the implementation of very simple examples in order to get familliar with models implementation |
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| Organization : | 1.5 ECTS : theory
1.5 ECTS : Exercises |
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| Written notes : | Available |
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| Assessment : | Evaluated practicle work |
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| Contacts : | Marilaure Grégoire, Laboratoire d'Océanologie, ULg
e-mail : mgregoire@ulg.ac.be
tel : 043663354 |
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| Remarks : | None |
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