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Comptage des Poissons Grands Migrateurs - FDAAPPMA 50

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Résultats, interprétation<br />

Le Saumon atlantique<br />

Période et rythme de migration<br />

Graphe 1 :<br />

Evolution remontées de saumon<br />

aux Claies de Vire en 2002.<br />

E f f e c t i f j o u r n al i e r<br />

14<br />

Passages observés<br />

12<br />

Activité de migration<br />

10<br />

8<br />

6<br />

4<br />

2<br />

E f f e c t i f c u m u l é<br />

100%<br />

90%<br />

80%<br />

70%<br />

60%<br />

<strong>50</strong>%<br />

40%<br />

30%<br />

20%<br />

10%<br />

0<br />

0%<br />

15/04/02<br />

22/04/02<br />

29/04/02<br />

06/05/02<br />

13/05/02<br />

20/05/02<br />

27/05/02<br />

03/06/02<br />

10/06/02<br />

17/06/02<br />

24/06/02<br />

01/07/02<br />

08/07/02<br />

15/07/02<br />

22/07/02<br />

29/07/02<br />

05/08/02<br />

12/08/02<br />

19/08/02<br />

26/08/02<br />

02/09/02<br />

09/09/02<br />

16/09/02<br />

23/09/02<br />

30/09/02<br />

07/10/02<br />

14/10/02<br />

21/10/02<br />

28/10/02<br />

04/11/02<br />

11/11/02<br />

18/11/02<br />

25/11/02<br />

02/12/02<br />

09/12/02<br />

16/12/02<br />

avril<br />

mai<br />

juin<br />

juillet<br />

D a t e s<br />

août<br />

septembre<br />

octobre<br />

novembre<br />

décembre<br />

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