Excitability of an age-structured plankton ecosystem |
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| Authors: | D R Clother J Brindley |
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| Institution: | (1) Department of Applied Mathematics, University of Leeds, Leeds LS2 9JT, UK. e-mail: rob@amsta.leeds.ac.uk; amtjb@amsta.leeds.ac.uk, GB |
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| Abstract: | We adapt a simple two-component model of a plankton ecosystem to account for the life spans of individual predatory organisms.
We investigate the system’s short-term dynamics, in particular its excitability, and its long-term dynamics, and show how
both can be highly sensitive to initial conditions. We discover that this effect is enhanced by imposing age structure on
the system.
Received: 21 June 1996 / Revised version: 19 October 1998 |
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| Keywords: | : Plankton blooms Structured populations Excitable medium Bifurcation diagram Overwintering populations |
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