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Assessment of Fish Biodiversity in Upper Mullamari Reservoir, Basavakalyan, Karnataka (India)
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The present investigation was carried out in Upper Mullamari Reservoir situated in Bidar district, Karnataka. Monthly sampling was done in three fish landing centers viz, Kherda, Sharannagar, and Mashala. During the study period, it was observed that the 32 species of finfishes belonging to 26 genera, 14 families and 6 orders were recorded. Among them Cypriniformes represented 17 species followed by Siluriformes (9), Perciformes (3) and order Symbracnhiformes, Osteoglossiformes and Clupiformes contributed one species each. The Simpson's index of diversity (1-Lambda') was highest in Kherda (0.894) followed by Mashala (0.893) and Sharannagar (0.860). This indicated that the greater fish biodiversity in Kherda fish landing centre when compared to other two centers. The abundance of fish species was more in Sharannagar (S= 23, N=423) followed by Kherda (S =28, N= 403), and Mashala (S =27, N= 322).
Keywords
Ichthyofauna, Biodiversity, Upper Mullamari Reservoir, Karnataka
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