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In 1998, set line and angling techniques were used to sample sturgeon in the middle Fraser River from below French Bar Rapids to Saddle Rock. White sturgeon were widely distributed throughout the study area, but were concentrated in the vicinity of French Bar Canyon in the upper section of the study area with uniform densities documented throughout the middle section of the study area. White sturgeon were encountered sporadically in the downstream section of the study area with three fish captured downstream of Hell's Gate. Mark-recapture (conventional tagging) and radio telemetry were used to monitor the movements of sturgeon within the study area. A total of 35 sturgeon have been equipped with an external radio transmitter since 1996 with 4 of these fish tagged during 1998. Approximately 45.2% (n=14) of the radio tagged fish were relocated in the study area during the 1998 tracking program. The majority (n=7; 50%) moved <5 rKm from their original release locations. Two fish moved intermediate distances (i.e
R.L. & L. Environmental Services Ltd.. 1998. Fraser River White Sturgeon Monitoring Program: Region 3 (Thompson-Nicola) 1998 Data Report. Ministry of Environment, Lands and Parks. Fisheries Report. RLL659F
Topic: Fish and Fish Habitats
Keywords: white sturgeon, Fraser River, Thompson, Nicola, growth, distribution, movements, population size, sex ratio, radio-tracking, telemetry, reproductive development, monitoring
ISSN:
Scientific Name: Acipenser transmontanus
ISBN:
English Name: White Sturgeon
Other Identifier:
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