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A long range dual frequency identification sonar (DIDSON-LR) was used to enumerate the chinook salmon escapement to the Big Salmon River in 2006, as well as determine associated run timing, and diel migration patterns. This was the second year of sonar operation at this site. The sonar site was located on the Big Salmon River at the same location as in 2005, approximately 1.5 km upstream of the confluence with the Yukon River. Partial weirs placed on both sides of the river were used to restrict fish passage through a 34 m opening. The sonar was configured to provide a 29º conical ensonified field, 40 m wide that covered the water column within the fish passage opening. A total of 7,308 (7,298 counted plus 10 extrapolated)...
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A long range dual frequency identification sonar (DIDSON-LR) was used to enumerate the chinook salmon escapement to the Big Salmon River in 2006, as well as determine associated run timing, and diel migration patterns. This was the second year of sonar operation at this site. The sonar site was located on the Big Salmon River at the same location as in 2005, approximately 1.5 km upstream of the confluence with the Yukon River. Partial weirs placed on both sides of the river were used to restrict fish passage through a 34 m opening. The sonar was configured to provide a 29º conical ensonified field, 40 m wide that covered the water column within the fish passage opening. A total of 7,308 (7,298 counted plus 10 extrapolated)...


    map background search result map search result map BLIND CREEK CHINOOK SALMON ENUMERATION WEIR, 2007  2006 CHINOOK SALMON SONAR ENUMERATION ON THE BIG SALMON RIVER CRE-41-06. Prepared For: The Yukon River Panel Restoration and Enhancement Fund 2005 CHINOOK SALMON SONAR ENUMERATION ON THE BIG SALMON RIVER CRE-41-05. Prepared For: The Yukon River Panel Restoration and Enhancement Fund 2008 CHINOOK SALMON SONAR ENUMERATION ON THE BIG SALMON RIVER CRE-41-08. Prepared For: The Yukon River Panel Restoration and Enhancement Fund TESLIN RIVER WATERSHED COMMUNITY SALMON STEWARDSHIP PROGRAM, 2006 preparerd for Teslin Tlingit Council 2009 CHINOOK SALMON SONAR ENUMERATION ON THE BIG SALMON RIVER CRE-41-09. Prepared For: The Yukon River Panel Restoration and Enhancement Fund 2010 CHINOOK SALMON SONAR ENUMERATION ON THE BIG SALMON RIVER CRE-41-10  Prepared For: The Yukon River Panel Restoration and Enhancement Fund 2011 CHINOOK SALMON SONAR ENUMERATION ON THE BIG SALMON RIVER.  Prepared For: The Yukon River Panel Restoration and Enhancement Fund BLIND CREEK CHINOOK SALMON ENUMERATION WEIR, 2012 2012 CHINOOK SALMON SONAR ENUMERATION ON THE BIG SALMON RIVER.  Prepared For: The Yukon River Panel Restoration and Enhancement Fund BLIND CREEK CHINOOK SALMON ENUMERATION WEIR, 2007  BLIND CREEK CHINOOK SALMON ENUMERATION WEIR, 2012 2006 CHINOOK SALMON SONAR ENUMERATION ON THE BIG SALMON RIVER CRE-41-06. Prepared For: The Yukon River Panel Restoration and Enhancement Fund 2005 CHINOOK SALMON SONAR ENUMERATION ON THE BIG SALMON RIVER CRE-41-05. Prepared For: The Yukon River Panel Restoration and Enhancement Fund 2008 CHINOOK SALMON SONAR ENUMERATION ON THE BIG SALMON RIVER CRE-41-08. Prepared For: The Yukon River Panel Restoration and Enhancement Fund 2009 CHINOOK SALMON SONAR ENUMERATION ON THE BIG SALMON RIVER CRE-41-09. Prepared For: The Yukon River Panel Restoration and Enhancement Fund 2010 CHINOOK SALMON SONAR ENUMERATION ON THE BIG SALMON RIVER CRE-41-10  Prepared For: The Yukon River Panel Restoration and Enhancement Fund 2011 CHINOOK SALMON SONAR ENUMERATION ON THE BIG SALMON RIVER.  Prepared For: The Yukon River Panel Restoration and Enhancement Fund 2012 CHINOOK SALMON SONAR ENUMERATION ON THE BIG SALMON RIVER.  Prepared For: The Yukon River Panel Restoration and Enhancement Fund TESLIN RIVER WATERSHED COMMUNITY SALMON STEWARDSHIP PROGRAM, 2006 preparerd for Teslin Tlingit Council