ABSTRACT
Platform............................................................ 524 34.2.2 Life Cycle Representation ............................................................................................ 525 34.2.3 Model Architecture ....................................................................................................... 525
34.2.3.1 Modeling Survival, Growth, and Molting of Individuals ........................... 527 34.2.3.2 Reproduction ................................................................................................ 528 34.2.3.3 Predation ...................................................................................................... 528
34.2.3.3.1 Effect of Body Weight and Temperature on the Ingestion Rate.... 528 34.2.3.3.2 The Predation Task................................................................... 528
34.3 Results........................................................................................................................................ 528 34.3.1 Simulation of the Mortality of a Single Stage: Role of the Demographic Noise ...... 528 34.3.2 Simulation without Predation....................................................................................... 530 34.3.3 Effect of Cannibalism and Spatial Representation ...................................................... 530 34.3.4 Effect of Predation on the Spatiotemporal Dynamics of the Population.................... 530
34.4 Discussion .................................................................................................................................. 533 34.4.1 Toward an Improvement of Individual-Based Models ................................................ 534
34.4.1.1 A Common Methodology for IBMs............................................................ 534 34.4.1.2 Common Tools for IBMs............................................................................. 535 34.4.1.3 Common Languages and Common Descriptions for IBMs ....................... 536
34.4.2 IBMs and Population Dynamics of Zooplankton ........................................................ 536 34.5 Conclusion ................................................................................................................................. 538 Appendix 34.A....................................................................................................................................... 539 Acknowledgments.................................................................................................................................. 540 References .............................................................................................................................................. 540
In marine ecosystems the production of planktonic copepods supports most food webs, directly affecting higher trophic levels (including pelagic Þsh populations) and the biological pump of carbon into the deep ocean.