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Genetic Analysis of Bull Trout in the Jarbidge River Watershed, Nevada/Idaho

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dc.contributor.author DeHaan, Patrick
dc.contributor.author Godfrey, Lindsay
dc.date.accessioned 2019-08-28T19:45:11Z
dc.date.available 2019-08-28T19:45:11Z
dc.date.issued 2009-05-01
dc.identifier.citation Dehaan, P., & Godfrey, L. (2009). Genetic analysis of bull trout in the Jarbidge River watershed, Nevada/Idaho (Final Report) (p. 34). U.S. Fish and Wildlife Service. Retrieved from http://www.ybfwrb.org/Assets/Documents/References/DeHaan_Godfrey_2009.pdf en_US
dc.identifier.uri http://hdl.handle.net/20.500.11867/17785
dc.description Final report, 34 pages. en_US
dc.description.abstract The Jarbidge River in Idaho and Nevada represents the southern-most habitat occupied by bull trout across the species range. Bull trout in the Jarbidge River have been isolated from other populations for over 100 years due to the construction of multiple impassable dams and several kilometers of unsuitable habitat. Given its unique geographic location and isolated nature, the conservation of bull trout populations in the Jarbidge River is a high priority. Although genetic data has been recognized as an important factor for guiding bull trout recovery planning in the Jarbidge River system, previously genetic information related to Jarbidge bull trout populations was limited. Our objective in this study was to provide a fine-scale analysis of genetic variation within and among Jarbidge bull trout populations. We used a suite of 15 microsatellite loci to characterize genetic variation within and among six tributaries in the Jarbidge River that contain bull trout. Estimates of genetic variation within these six populations including allelic richness and expected and observed heterozygosity tended to be lower than those we had observed for other populations across the species range. Estimates of effective population size were less than 50 individuals for all six of the tributary populations. Estimates of variation among populations indicated that each tributary contains a genetically distinct spawning population. The greatest level of variation we observed was between tributaries in the East and West Fork. We observed greater levels of gene flow among West Fork Jarbidge tributaries than we did among East Fork tributaries and little evidence for gene flow between the East and West Fork Jarbidge. Genetic population assignments suggest that individuals migrate among tributaries within the East and West Fork and to a lesser extent between the two forks. en_US
dc.description.sponsorship YBFWRB en_US
dc.language.iso en_US en_US
dc.publisher U.S. Fish and Wildlife Service en_US
dc.rights NO KNOWN COPYRIGHT The organization that has made the Item available reasonably believes that the Item is not restricted by copyright or related rights, but a conclusive determination could not be made. Please refer to the organization that has made the Item available for more information. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use.
dc.rights.uri http://rightsstatements.org/vocab/NKC/1.0/
dc.subject Bull Trout en_US
dc.subject Fisheries en_US
dc.subject geneflow en_US
dc.subject Migration en_US
dc.subject Genetics en_US
dc.subject Population structure en_US
dc.title Genetic Analysis of Bull Trout in the Jarbidge River Watershed, Nevada/Idaho en_US
dc.type Technical Report en_US

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