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Fish Community Structural in Dukan Dam Lake, Northern Iraq | ||
| The Iraqi Journal of Veterinary Medicine (IJVM) | ||
| Article 3, Volume 37, Issue 1, 2013, Pages 6-12 PDF (0 K) | ||
| Authors | ||
| Saffen O. Sediq; Luay. M. Abbas | ||
| Abstract | ||
| The nature of fish community architecture was studied in Dukan Dam Lake, during the period from December 2007 to November 2008. The lowest water temperature value was 6.5 оC at January while the highest value was 30 °C during July 2008. Dukan Dam was freshwater lake and the salinity values ranges between 0.15 gm/l at February to 0.33 gm/l during August 2008. Dissolve oxygen was high which range between 12 mg/l and 6.5 mg/l during January and July 2008 respectively. A total of 3006 of fishes with a total weight of 678.50 kg were collected. These fishes were represented by 27 fish species belong to 5 families. The dominance commercial fishes (15 species) were recorded with a total weight of 652.5 kg formed 96.23% of a total fish catches. While, the rest was non – commercial fishes (12 species) were recorded with a total weight 25.55 kg represent 3.77% of total fishes catches. Fish species of Shaboot Barbus grypus were occurred to be dominating of fish number and represented by 13.4% followed by Gold fish Carassius auratus (11.6% ) then come Baloot Chondrostoma regium (9.9%) and Toueni Barbus belayewi (9.5%) of total fish caches. Also, fish species of Shaboot come at the first of total weight of fish catches and formed 31%, and then followed by Bizz B. esocinus (16% ) and Common carp Cyprinus carpio (15.4%), whereas the third was Guttan B. xanthopterus (11.4%). Finally, fishes of Sakankoor Glyptothorax kurdistanicus formed the lowest in fish number within 0.1% and in fish total weight within 0.02% of total fish catches. In conclusion of this study included that Dukan Dam Lake within freshwater, good airing and a favorable habitat for different fish species, more of that, there was considerable stock of commercial Iraqi fishes. | ||
| Keywords | ||
| Fish; Dukan dam; Lake | ||
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