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| Content Provider | Springer Nature Link |
|---|---|
| Author | Hatanaka, Terumi Henrique Silva, Flávio Galetti, Pedro Mael |
| Copyright Year | 2006 |
| Abstract | The construction of hydroelectric dams, pollution of rivers and other environmental changes are responsible for the disappearance of many natural fish stocks. The purpose of this work was to analyze the fish Prochilodus argenteus inhabiting the region of the Três Marias dam in the São Francisco River (Brazil) collected in two sites having distinct environmental characteristics. Three novel homologous and one known cross-specific microsatellites were used to assess genetic variation within and between the two collection sites (namely A and B) in order to confirm the occurrence of population substructuring previously suggested using RAPD markers. A higher number of exclusive alleles and a greater genetic variability in region B strongly reinforce the co-existence of different reproductive units in this area. FST estimates showed a significant population differentiation between the two sites, indicating the possible existence of distinct gene pools. Considering the economic importance of this fishery resource in the São Francisco River, these findings could provide very important information for fisheries management, aquaculture and conservation of the stocks of this species. |
| Starting Page | 153 |
| Ending Page | 159 |
| Page Count | 7 |
| File Format | |
| ISSN | 00166707 |
| Journal | Genetica |
| Volume Number | 126 |
| Issue Number | 1-2 |
| e-ISSN | 15736857 |
| Language | English |
| Publisher | Kluwer Academic Publishers |
| Publisher Date | 2006-01-01 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | conservation genetics freshwater fish microsatellite PIMA population genetic structure Human Genetics Plant Genetics & Genomics Microbial Genetics and Genomics Animal Genetics and Genomics |
| Content Type | Text |
| Resource Type | Article |
| Subject | Genetics Plant Science Medicine Animal Science and Zoology Insect Science |
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