The Influence of Reduced Light on Competing Zooplanktonic Populations – Inference from Mathematical Modeling and Field Data

  • Vanessa Irenze Department of Mathematics “Giuseppe Peano”, University of Torino, Italy
  • Marco Battuello Dipartimento di Scienze della Vita e Biologia dei Sistemi, via Accademia Albertina 13, 10123 Torino, Italy; Pelagosphera soc. Coop., via U. Cosmo 17bis, 10132 Torino, Italy
  • Rocco Mussat Sartor Dipartimento di Scienze della Vita e Biologia dei Sistemi, via Accademia Albertina 13, 10123 Torino, Italy; Pelagosphera soc. Coop., via U. Cosmo 17bis, 10132 Torino, Italy
  • Nicola Nurra Dipartimento di Scienze della Vita e Biologia dei Sistemi, via Accademia Albertina 13, 10123 Torino, Italy; Pelagosphera soc. Coop., via U. Cosmo 17bis, 10132 Torino, Italy
  • Ezio Venturino Department of Mathematics “Giuseppe Peano”, University of Torino, Italy; member of the INdAM research group GNCS, Italy
DOI: https://doi.org/10.19139/soic.v7i3.832
Keywords: Population dynamics, Competition, Diffusion, Light attenuation, Shading, Light absorption.

Abstract

A diffusion model for the competition of three zooplankton populations is developed, that is based on earlier ideas on reduced phytoplankton abundance at large depths in the ocean, due to light absorption in the higher water layersand shading by other upper residing microorganisms. Equilibria of the diffusion-free system are analysed. A sensitivity analysis in terms of some population interaction parameters that are difficult to assess is performed. Simulations of the space-dependent system reveal the

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Published
2019-08-17
How to Cite
Irenze, V., Battuello, M., Sartor, R. M., Nurra, N., & Venturino, E. (2019). The Influence of Reduced Light on Competing Zooplanktonic Populations – Inference from Mathematical Modeling and Field Data. Statistics, Optimization & Information Computing, 7(3), 558-577. https://doi.org/10.19139/soic.v7i3.832
Issue
Vol 7 No 3 (2019)
Section
Research Articles
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