Morphological models of radiate accretive growth and the influence of hydrodynamics

Journal of Theoretical Biology
Jaap A Kaandorp, Peter M A Sloot

Abstract

In many marine sessile organisms (for example sponges and stony corals) the skeleton is formed by an accretive growth process, where layers of material are secreted on top of each other in a surface normal deposition process. In many of these organisms the growth process exhibits a strong morphological plasticity due to differences in exposure to water movement. In general, many of these organisms tend to form thin-branching growth forms under sheltered conditions, while the growth form gradually transforms into a more compact shape when the exposure of water movement increases. In this paper, we investigate this phenomenon by combining a three-dimensional simulation model of radiate accretive growth driven by the local availability of simulated food particles and a model, based on the lattice Boltzmann method, for simulating food particle distributions caused by a combination of flow and diffusion. In the simulations two different models of a suspension feeder with accretive growth were compared. In the first model, the deposition process is exclusively driven by the local availability of food particles, in the second model the deposition process was determined by the combination of local amount of contact to the environment a...Continue Reading

References

Aug 11, 1998·International Journal of Epidemiology·P ChopardA F Junod
May 17, 2000·Bulletin of Mathematical Biology·S Ghorai, N A Hill

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Citations

Feb 8, 2005·Proceedings. Biological Sciences·Jaap A KaandorpCornelia Maier
Oct 17, 2003·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Jaap A KaandorpLeo E H Lampmann
Jun 5, 2004·Journal of Theoretical Biology·Roeland M H MerksPeter M A Sloot
May 16, 2015·Journal of the Royal Society, Interface·Luca PasquiniGiuseppe Falini
May 6, 2017·Molecular Ecology·Caroline E DubéSerge Planes
Dec 29, 2020·Developmental Dynamics : an Official Publication of the American Association of Anatomists·Gabriele GuerriniBaruch Rinkevich
Aug 21, 2003·Journal of Theoretical Biology·Roeland MerksPeter Sloot

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