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Rats!!!

Rats!!!. Alaska Maritime National Wildlife Refuge. Rodents Continue to Spread Diseases. “Rat-borne diseases are thought to have taken more human lives in the last ten centuries than all the casualties from all wars and revolutions ever fought” Gratz 1984. Rat Fleas Carry More Diseases.

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Rats!!!

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  1. Rats!!! Alaska Maritime National Wildlife Refuge

  2. Rodents Continue to Spread Diseases

  3. “Rat-borne diseases are thought to have taken more human lives in the last ten centuries than all the casualties from all wars and revolutions ever fought” Gratz 1984

  4. Rat Fleas Carry More Diseases

  5. Rats Cause Fires by Chewing Wires

  6. Wildlife Islands Are Vulnerable to Rats

  7. Rats take: eggs chicks adults Cache of adult auklets

  8. Great Circle Route Brings Many Ships By Refuge Islands

  9. Shipwrecks Can Introduce Rats Selendang Ayu – December 2005 On refuge land on Unalaska Is.

  10. Rat Infested Shipwreck Chil Bo San #6 Unalaska Island 1992

  11. Some Alaskan ports are rat infested Dutch Harbor

  12. St. Paul & St. George Have Rat Prevention Programs

  13. 1993 – present 6 rats in a million trapnights Pribilof Islands

  14. St. Paul 6 - Rats Killed 2 - Sighting of Fox w/ Rat 1 - Dead Rat Found 2 - Infested Ship Evicted

  15. Integrated Pest Management • Sanitation (garbage control, etc) • Clean up cover (harborage for rodents) – trash, clearing brush, grass • Structural Design & maintenance • Proper control

  16. Rats Nest in Net Piles – Need to be Shaken Out Before Loaded

  17. Structural Modification Limits Rodents

  18. Store Foods Out Of Reach Properly Control Garbage

  19. Control Rodent Numbers with Snap traps and poison

  20. Rodent Prevention Kits Given to Ships

  21. Newspaper Ad Harbor Poster

  22. We Want To Hear From YouPlease fill out questionnaire! • Do you have rats/house mice? • Are you worried about rats arriving on ships? • Are you doing control? • Do you need help? • Comments/ideas? Poppy Benson Terry Johnson Alaska Maritime Refuge Alaska Sea Grant Marine Advisory Program 907-226-4606 907-235-5643 Poppy_Benson@fws.gov rftlj@uaf.edu

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