Faculty of fisheries and food sciences University Malaysia Terengganu, Malaysia, Modibbo Adama University Yola, Adamawa State, Nigeria
Case Report
Fish Biodiversity In Relation To Water Quality in River Benue Valley Adamawa State, North-Eastern Nigeria
Author(s): Modibbo, U
Thirty-seven (37) species belonging to fifteen (15) families were identified during twelve months period of study (2020/21), on river Benue valley. Fish biodiversity and abundance showed a significance increase with increasing fishing efforts. The highest catch per unit effort was observed in Gongola/Benue confluents in Numan and kocheyel with more than 80.89kg/day and 78.29 kg/day with a cumulative fish weight of more than 432347.8kg per annum and 341931kg respectively. The lowest catch per unit efforts was observed in Parda and Gwakra with 24.97kg/day and 29.59 kg/day and a cumulative fish weight of 114321.5kg and 122008.2kg per annum respectively. Fishing gears used during the study indicates frequent use of gill/cast nets with 45% rate and traps at 43% rate, and other gears like hooks and line showed the lowest catch at 12%. The percentage composition of boats/canoes used during f.. View More»
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