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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!!! Alaska Maritime National Wildlife Refuge
“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
Rats take: eggs chicks adults Cache of adult auklets
Shipwrecks Can Introduce Rats Selendang Ayu – December 2005 On refuge land on Unalaska Is.
Rat Infested Shipwreck Chil Bo San #6 Unalaska Island 1992
Some Alaskan ports are rat infested Dutch Harbor
1993 – present 6 rats in a million trapnights Pribilof Islands
St. Paul 6 - Rats Killed 2 - Sighting of Fox w/ Rat 1 - Dead Rat Found 2 - Infested Ship Evicted
Integrated Pest Management • Sanitation (garbage control, etc) • Clean up cover (harborage for rodents) – trash, clearing brush, grass • Structural Design & maintenance • Proper control
Rats Nest in Net Piles – Need to be Shaken Out Before Loaded
Structural Modification Limits Rodents
Store Foods Out Of Reach Properly Control Garbage
Control Rodent Numbers with Snap traps and poison
Newspaper Ad Harbor Poster
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