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## Context
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In S.salar life cycle,two migration phases are particularly important:
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* the run of smolt towards the ocean
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* and the return of anadromous salmon homing toward their natal river.
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## Modeling
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In IBASAM, these two processes are simply simulated by a change of at sea status of individuals during the beginning of summer steps. The individuals that started the smoltification process at the begin- ning of the previous winter step were sent to sea. Alternatively, individuals that started the maturation process and were at sea at the beginning of the previous winter step were sent back to the river. |
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