Feeding Habits and Some Biological Aspects of Fish Species in Gilgel Gibe Reservoir, Omo- Turkana Basin, Ethiopia.
2013
Mulugeta, Wakjira
Relative abundance, feeding habits, length species from Gilgel Gibe reservoir, Ethiopia, were investigated. Percentage index of relative importance (%IRI) was used to investigate relative abundance of occurrence and volumetric methods were used in analyzing feeding habits of the fishes. However, an index of preponderance was used to assess relative contribution of prey items to the fish diets. diet breadth index (B feeding habit for both fishes. The Horn’s overlap index (44 %) indicated considerable prey overlap between the two species. best fit to the regressions of log transformed Weight 2.76 log TL L.intermedius fish size were also investigated. management and exploitation of the reservoir’s fishery resourceKey words: Condition factor, Feeding habit, Gilgel Gibe reservoir, Length-Weight relationship, Relative abundance
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