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Estimating the long‐term effects of stocking domesticated trout into wild brown trout ( Salmo trutta ) populations: an approach using microsatellite DNA analysis of historical and contemporary samples by Michael M. Hansen is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.
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## Abstract Indigenous salmonid fish gene pools are affected by domesticated conspecifics, derived from aquaculture escapes and deliberate releases. Variability was examined at nine microsatellite loci in order to assess the long‐term impact of stocking domesticated trout in two brown trout populations. The study was based on analysis of two historical samples (1945–56), represented by old scale collections, and seven contemporary samples (1986–2000). In one population historical and contemporary samples were remarkably genetically similar despite more than a decade of intense stocking. Estimation of admixture proportions showed a small genetic contribution from domesticated trout (approximately 6%), and individual admixture analysis demonstrated a majority of nonadmixed individuals. The expected genetic contribution by domesticated trout was 64%, assessed from the number of stocked trout and assuming equal survival and reproductive performance of wild and domesticated trout. This demonstrates poor performance and low fitness of domesticated trout in the wild. In another population there was a strong genetic contribution from domesticated trout (between 57% and 88% in different sam
Who reads Estimating the long‐term effects of stocking domesticated trout into wild brown trout ( Salmo trutta ) populations: an approach using microsatellite DNA analysis of historical and contemporary samples?
It is typically read by researchers, students, and practitioners in Biochemistry, Genetics and Molecular Biology.
- Author
- Michael M. Hansen
- Publisher
- John Wiley and Sons; Wiley (Blackwell Publishing); Blackwell Publishing Inc.; Wiley; Research Square (ISSN 0962-1083)
- Published
- 2002
- Language
- EN
- Field
- Biochemistry, Genetics and Molecular Biology (Life Sciences)