Modeling zooplankton dynamics By F. Carlotti, J. Giske and F. Werner

Contents Questions Comments and corrections New protocols Back to the main page

Contents 12.1 Introduction 12.2 Modeling approaches and techniques - Steps of model building - Choice of state and forcing variables - Choice of model units - Choice of mathematical functions to model the interactions between variable - Identification of parameters - The mathematical description of the system - Systems of equations - Numerical methods - Computer programming and languages - Further reading 12.3 Models of individual bioenergetics and life-history traits - Individual bioenergetics - Budget of individual zooplankton - Ingestion rate - Assimilation and egestion - Excretion and respiration – energetic cost - Growth and egg production models - Vital rates - Developmental stage durations of crustacean zooplankton - Mortality rates - Inverse methods to estimate vital rates - Evolutionary forces on the organism - Further reading 12.4 Population models - Population described by one variable - Population described by several variables – structures population models - Discrete-time difference equation and matrix models - Continuous-time structures population models - Stage-structured population models based on ODEs - Delay differential equation models - Structures population models to estimate demographic parameters - Stochasticity in structured population models - Individual-based models of a population - Building an IBM - Object-oriented programming (OOP) - Constraints in behavior - Models of interactions between zooplanktonic populations - Interaction model with two variables - Population interactions using structured population models - Further reading 12.5 Models of zooplankton communities - Zooplankton bulk models in ecosystem models - The representation of herbivorous zooplankton in NPA – type ecosystem models - From a single grazer to several grazers - Size-structured zooplankton community - Size-structured ecosystem models - Size spectrum theory - Size- and stage-structured zooplankton populations in ecosystem models - Further reading 12.6 Modeling spatial dynamics in zooplankton - Modeling active behavior and counter-gradient search - Modeling behavioral mechanisms, aggregation and schooling patches - Modeling zooplankton behavior at the “micro-scale” - Evolutionary modelling approaches for optimal spatial distribution - Models of plankton patchiness generated by population dynamics interactions - Grid based models - Coupling IBMs and spatially explicit models - Passive particle trajectories from Lagrangian transport in model circulation fields - Trajectories of actively swimming particles from Lagrangian transport in model circulation fields - Spatial zooplankton dynamics with advection-diffusion reaction equations (ADRE) - Modeling passive dispersion with ADREs - Modeling active vertical swimming with ADREs - Modeling the dispersion of a population in circulation models with ADREs - Spatial distribution in ecosystem models coupled with ADREs - Further reading 12.7 Acknowledgements 12.8 References Top of the Document Questions Top of the Document Comments and corrections Top of the Document New Protocols Top of the Document