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Two-Strain Ecoepidemic Systems: The Obligated Mutualism Case |
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PP: 1677-1685 |
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Author(s) |
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Chiara Bosica,
Alessandra De Rossi,
Noemi Lucia Fatibene,
Matteo Sciarra,
Ezio Venturino,
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Abstract |
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| We present a model for obligated mutualistic associations, in which two transmissible diseases are allowed to infect just
one population. As the general model proves too hard to be fully analytically investigated, some special cases are analysed. Among
our findings, the coexistence of the two strains does not appear possible, under the model assumptions. Furthermore, in particularly
unfavorable circumstances the ecosystem may disappear. In this respect, an accurate computation of the basin of attraction of the origin
is provided using novel techniques. For this obligated mutualistic system the presence of the diseases appears to be less relevant than
in many other circumstances in ecoepidemiology, including also the case of facultative symbiotic associations. |
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