You\'ve got Snail - summary presentation by students

1. Everglades Trip You’ve got SNAIL Recent invasion of the Everglades by Pomacea insularum Matthew Trawick Alexis Kropf Vanessa Toro

3. P. paludosa& Endangered predators

4. Federallocal interest

5. INVASIVE SPECIES

6. THREATS of EIS

7. CONTROL EFFORTS

8. P. insularum & exotic macrophytes

9. Armand Bayou

11. Exotic

12. Impacts

13. Economic

15. We’ve Got Snail

17. Vibrant colors

18. Laid on emergent vegetation

19. Species identification

20. More accessible than snailsFrom Rawlings et al. 2007

21. Predicting Molluscan Invasions Fecundity of Pomacea canaliculata Keller et al. 2007

22. - Scattered distribution - Dispersed distribution -Exotic oviposition preference -Native oviposition preference - Introduced 2002 - Introduced 2005 X2 = 12.5 p<0.001

23. Where were we? Where were the snails? Impoundments ?

25. P. paludosa& Endangered predators

26. Federallocal interest

27. INVASIVE SPECIES

28. THREATS of EIS

29. CONTROL EFFORTS

30. P. insularum & exotic macrophytes

31. Armand Bayou

33. Average eggs per clutch

34. 1,626

38. Predators Alligators (?) Crayfish- hatchlings ? ? ? Limpkin Everglade Snail Kite (endangered) Alligators

41. P. paludosa& Endangered predators

42. Federallocal interest

43. INVASIVE SPECIES

44. THREATS of EIS

45. CONTROL EFFORTS

46. P. insularum & exotic macrophytes

47. Armand Bayou

49. Government funded

50. Pest Management Plan and Partnerships

51. Volunteers

52. ResearchArmand Bayou Nature Center Private non-profit Informal Research

53. Management: State Florida Department of Agriculture Florida Fish and Wildlife Conservation Commission Texas Parks and Wildlife Department

54. Management: National National Park Service Everglades National Park US Department of the Interior US Fish and Wildlife Service National Wildlife Refuge System Balancing management (primary purpose) and recreation (revenue)

56. Endangered, native species

57. Urban areas

58. Pet trade

59. Ignorance

60. Connected waterways

61. Extent of spread

63. Density calculation

64. Exotic versus native densities

65. Effects of drought

66. Extermination measureshttp://snailbusters.files.wordpress.com

67. Effect of inundation Water stress reduces hatching efficiency in newly laid clutches

68. Clutch Age and Inundation

69. Future Research at Southwestern Alexis Correlating egg clutch size with mass (and age) of female snails Ability to age a population Megan Contrasting herbivory resources of varying nutrients Brandon Predation of hatchlings by various predators Olivia Role of ovorubin in reducing egg predation

70. Got snail? Hopefully not.

71. Acknowledgements Dr. Burks Southwestern University Jeff Klein Matt Harwell Nate Dorn ARM Loxahatchee Wildlife Refuge Rebecca, Matt, Tiffany Austin Airport Security