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  • 1
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    Effect of baits on the efficiency of Malian traps in Lake Kainji (2021)
    FISON | Lagos, Nigeria
    In:  http://aquaticcommons.org/id/eprint/23278 | 19325 | 2018-03-28 15:52:01 | 23278 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-13
    Description: Studies on the effects of two fishing baits on the catch composition of Malian Traps in Lake Kainji were monitored. The Traps were set at Monia fishing village in the southern basin of the Lake Baited with boiled yam (Dioscorea rotundata) and fresh palm fruit (Elaeis guineensis) and were inspected twice daily for seven weeks. The fishes caught comprised of nine (9) species belonging to four (4) families. The result of analysis of variance of the biomass as well as number and percentages of fishes caught in the traps by the baits showed there was no significant difference (P〉0.05). However, both baits showed better efficiency for Tilapia zilli, Oreochromis niloticus and Hemichromis fasciatus than other species caught but trap baited with fresh palm fruit had better efficiency for Distichodus restratus and Alestes nurse. There was wide range between the minimum and the maximum size of species caught, which showed the efficiency of the traps capturing small size, juveniles and the adult of large fish species due to small mesh size (1'') net cover of the trap. Recommendations were made for better performance and profitable fishing of Malian traps.
    Description: Includes:- 4 tables.;11 refs.
    Keywords: Fisheries ; Nigeria ; Kainji L. ; Malian trap ; freshwater environment ; Fishing ; Bait ; Trap fishing
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 303 - 307
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  • 2
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    Effect of net-ply on the catch efficiency of multifilament gill-net on Lake Kainji, Niger State (2021)
    Fisheries Society of Nigeria | Akure (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23320 | 19325 | 2018-04-06 15:29:06 | 23320 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: Three gillnets of 3” (76mm) mesh-size with a dimension of 15m long, 3m depth and hung at 50% of different plies (ply 2,3, and 6) were constructed in the FCFFT New Bussa fish gear workshop and used at Taada fishing ground for fishing operation in Lake Kainji for 30 days. Twelve fish species belonging to five families were caught. The highest relative percentage of number and biomass was recorded by the net of ply 2 because of the high flexibility or softness of the net ply. The statistical analysis of variance (ANOVA), for both numbers and biomass of fish caught showed that plies 2 and 3, 3 and 6 had no significant difference (1)〉0.05) but there was significant difference (1)〉0.05) for plies 2 and 6. It was concluded that ply 2 multifilament gill net had the best efficiency for entangling and catching of fish species in Lake Kainji. It could be concluded that for effective performance and profitable fishing in Lake Kainji, ply 2 multi-filament gillnet should be used.
    Description: Includes:- 3 tables.;5 refs.
    Keywords: Fisheries ; Nigeria ; Kainji L. ; freshwater environment ; Gillnets ; Entangling nets ; Fishing gear ; Fishing grounds
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 5-7
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  • 3
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    Comparative study of monofilament and multifilament gillnets in Lake Kainji (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/24179 | 19325 | 2018-05-13 19:05:16 | 24179 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-15
    Description: Comparative studies of monofilament and multifilament gillnets in Lake Kainji was carried out at Monai fishing village of Lake Kainji. A total number of six nets (3 multifilament and 3 monofilament gillnets) each measuring l5 meters in length and 3 meter depth were constructed; Kuralon ropes were used as footrope and headrope, synthetic corks as float and lead as weight. The net were set in the evening (between 5:00pm and 6:00pm) and hauled in the morning (between 8am and 9am) thereby maintaining a soaked time of about l5 hours.The species captured were: Oreochromis niloticus, Oreochromis aureus, Sarotherodon galileus, Tilapia mariae, Synodontis nigaita, Alestes baromoze, Distichodus rostratus, Tilapia dageti. The result obtained from the fish caught shows that Monofilament gill net had a better performance than Multifilament gill net; this was attributed to the looseness and flexibility as well as the transparent nature of the net which makes it invisible in water. However, from the statistical analysis (variance test) carried out, there was no significant (P〉0.05) difference in numbers and weight of fish species caught by the two nets.
    Description: Includes: 3 tables.;Also includes: 5 references.
    Keywords: Fisheries ; Lates niloticus ; Oreochromis niloticus ; Oreochromis aureus ; Tilapia mariae ; Tilapia dageti ; Nigeria ; Kainji L. ; Monofilament ; Multifilament ; freshwater environment ; Gillnets ; Construction ; Catch composition ; Flexibility ; Transparency ; Mesh selectivity ; Visibility ; Netting materials ; Artisanal fishing ; Lake fisheries ; Comparative studies ; Gear research ; Gear selectivity
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 115-117
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