Fish Populations Structure In The Dez Dam Lake
2007
Eskandary, GH. | Sabzalizade, S., Southern Agriculture Research Center, Ahwaz Iran. | Dehghan Madise, S., Southern Agriculture Research Center, Ahwaz Iran. | Mayahi, Y., Southern Agriculture Research Center, Ahwaz Iran.
Monthly sampling of five stations in Dez dam lake was carried out for fish analysis from Jan. 2002 to Dec.2002 in Dez river (after dam ). In this study 12 fish species , belong to 3 family , were identified and cyprinid fishes with nine species were the most dominant family. The most abundant fishes was observed in Summer. Capoeta trutta, Barbus grypus and Barbus esocinus were the most species respectively. Most of fishes were omnivor and also planktivor, carnivor and detrivor fishes were observed. Spawning of the most species is occurred the late Winter and Spring and some species was spawning in different seasonal time. Indices: diversity, richness , evenness and dominance 1/11 , 1/05 , 0.45 and 0.46 were determined respectively .
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