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6 ans de protection des batraciens en migration dans le bois de Soeuvres
Le contexte
Le principe
Localisation du dispositif
L’installation
Les relevés quotidiens                                        21/03/2011       Vern aller   Vern retour    Chantepie aller...
Bilan 2007 - 2012
Evolution des effectifs
La migration en 2012
La migration en 2012
Sexratio
Sexratio
Le Crapaud commun
Les grenouilles                           Grenouille agile        Grenouille verte                           Rainette     ...
La salamandre tachetée
Les petits tritons Triton alpestre              Triton alpestre                     Triton palmé   Triton palmé
Les grands tritonsTriton crêté                 Triton marbré   Triton crêté          crê                            Triton...
Bilan 2012 - operation batraciens
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Bilan 2012 - operation batraciens

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Bilan 2012 de l'opération de sauvetage des batraciens du Bois de Soeuvres, Vern sur Seiche , Rennes, Bretagne

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Bilan 2012 - operation batraciens

  1. 1. 6 ans de protection des batraciens en migration dans le bois de Soeuvres
  2. 2. Le contexte
  3. 3. Le principe
  4. 4. Localisation du dispositif
  5. 5. L’installation
  6. 6. Les relevés quotidiens 21/03/2011 Vern aller Vern retour Chantepie aller Chantepie retour Total Vern Total Chantepie Total dispositif I 0 0 0 1 0 1 1 M 89 51 315 110 140 425 565 Crapaud commun F 21 22 110 64 43 174 217 j 4 0 9 1 4 10 14 I 5 0 0 0 5 0 5 M 0 0 0 0 0 0 0 Grenouille verte F 0 0 0 0 0 0 0 j 1 0 0 0 1 0 1 I 33 0 0 0 33 0 33 M 1 0 0 0 1 0 1 Grenouille agile F 1 0 0 0 1 0 1 j 0 0 0 0 0 0 0 I 3 1 2 0 4 2 6 M 32 1 0 0 33 0 33 Triton palmé F 44 8 0 0 52 0 52- Espèces protégées j I 0 3 0 0 0 3 0 0 0 3 0 3 0 6- Manipulation des animaux Triton alpestre M F 3 2 1 0 0 0 0 0 4 2 0 0 4 2- Sécurité des personnels j I 0 1 0 0 0 0 0 0 0 1 0 0 0 1 M 4 0 0 0 4 0 4 Triton crêté F 8 1 0 0 9 0 9 j 0 0 0 0 0 0 0 I 36 24 6 1 60 7 67 M 0 0 0 0 0 0 0 Salamandre tachetée F 2 0 0 0 2 0 2 j 5 4 0 2 9 2 11 298 113 445 179 411 624 1035
  7. 7. Bilan 2007 - 2012
  8. 8. Evolution des effectifs
  9. 9. La migration en 2012
  10. 10. La migration en 2012
  11. 11. Sexratio
  12. 12. Sexratio
  13. 13. Le Crapaud commun
  14. 14. Les grenouilles Grenouille agile Grenouille verte Rainette arboricole
  15. 15. La salamandre tachetée
  16. 16. Les petits tritons Triton alpestre Triton alpestre Triton palmé Triton palmé
  17. 17. Les grands tritonsTriton crêté Triton marbré Triton crêté crê Triton de Blasius

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