rats!!! alaska maritime national wildlife refuge
TRANSCRIPT
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Rats!!!
Alaska Maritime National Wildlife Refuge
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Rodents Continue to Spread Diseases
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“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
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Rat Fleas Carry More Diseases
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Rats Cause Fires by Chewing Wires
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Wildlife Islands Are Vulnerable to Rats
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Rats take: eggs chicks adults
Cache of adult auklets
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Great Circle Route Brings Many Ships By Refuge Islands
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Shipwrecks Can Introduce Rats
Selendang Ayu – December 2005On refuge land on Unalaska Is.
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Chil Bo San #6
Unalaska Island1992
Rat Infested Shipwreck
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Some Alaskan ports are rat infested
Dutch Harbor
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St. Paul & St. George Have Rat Prevention Programs
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1993 – present 6 rats in a million trap nights
Pribilof Islands
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St. Paul6 - Rats Killed
2 - Sighting of Fox w/ Rat
1 - Dead Rat Found
2 - Infested Ship Evicted
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Integrated Pest Management
• Sanitation (garbage control, etc)
• Clean up cover (harborage for rodents) – trash, clearing brush, grass
• Structural Design & maintenance
• Proper control
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Rats Nest in Net Piles – Need to be Shaken Out Before Loaded
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Structural ModificationLimits Rodents
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Store Foods Out Of Reach
Properly Control Garbage
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Control RodentNumbers with
Snap traps and poison
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Rodent Prevention Kits Given to Ships
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Harbor PosterNewspaper Ad
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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 JohnsonAlaska Maritime Refuge Alaska Sea Grant Marine Advisory Program907-226-4606 [email protected] [email protected]