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Fish study to alter Link River flows
 

DD Bixby

H&N's Staff Writer
July 16, 2008   
 
   A fish study will be changing the Link River flows this summer. 

   The Bureau of Reclamation will study different release strategies to reduce entrainment of endangered suckers at the Link River Dam beginning July 21. 

   The Bureau of Reclamation will make surface releases from the surface of Upper Klamath Lake, which differs from the current bottom release through the dam. 

   Suckers are normally bottom dwellers, according to the bureau, and the study will evaluate if fewer suckers get caught in the dam with a different release method. 

   To conduct the 10 -week study, altering spill conditions at the dam are key. 

   The “ramp-down” period — during which flows will drop from more than 1,000 cubic feet per second to the target flow of 300 cfs — will be from about 4 to 7:30 p.m. Mondays through Thursdays. Evaluation of the release and entrainment will be conducted at night. 

   The low flow is to ensure fish traps in use are able to function properly. The gradual “rampdown” period is to mitigate potential stranding of suckers and native redband trout. 

   The dam will release water at 7:30 a.m. following tests. Flows may reach more than 2,000 cfs to make up for lower nighttime flows down river and provide water for irrigators.
 
 

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