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- Title
Nonlinear Analysis in a Nutrient-Algae-Zooplankton System with Sinking of Algae.
- Authors
Chuanjun Dai; Min Zhao
- Abstract
A reaction-diffusion-advection model is proposed for the Zeya Reservoir to study interactions between algae and zooplankton, including the diffusive spread of algae and zooplankton and the sinking of algae. The model is investigated both with and without sinking. Conditions of Hopf and Turing bifurcation in the spatial domain are obtained, and conditions for differential-flow instability that gives rise to the formation of spatial patterns are derived. Using numerical simulation, the authors examine the impacts on algae of different nutrient concentrations, different sinking rates, and various diffusive spreading patterns. Finally, the models with and without sinking are compared, revealing that the sinking of algae plays an important role in the oscillations of algae and zooplankton. All these results may help to achieve a better understanding of the impact of algae in the Zeya Reservoir.
- Subjects
REACTION-diffusion equations; NONVASCULAR plants; MATHEMATICAL analysis; ZOOPLANKTON behavior; ZEYAN Reservoir (Russia)
- Publication
Abstract & Applied Analysis, 2014, p1
- ISSN
1085-3375
- Publication type
Article
- DOI
10.1155/2014/278457