Floating Vegetation of Lake Kainji, Nigeria

Imevbore, A. M. A.

doi:10.1038/230599a0

Cited by 16 publications

(6 citation statements)

References 3 publications

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“…The sub seasonal (Table 2), seasonal and overall mean (Table 1) conductivity values recorded for the water bodies of BIP are lower than the recommended water quality standard (1,500µs/cm) for aquatic life (Vezeau, 1989) [40] and 1000 µs/cm for human consumption (NIS, 2007). However values recorded in this study are generally higher than 62.2µs/cm reported for River Niger (Imerbore, 1971) [19] , 33-84 µs/cm for Kainji lake (Adeniji, 1980) [2] and 40-70µs/cm for Osun river (John, 1986), but close to 447.71±22µs/cm recorded for Kware lake (Onaji, et al, 2005) [27] .…”

Section: Electrical Conductivity (Ec)supporting

confidence: 56%

“…With the exception of late dry sub seasonal hardness values of the water bodies (Table 2) and dry seasonal values of pond waters (Table 1), all other values were lower than 20 mg/l to 200 mg/l considered to be adequate for fish production (Dupree and Hunner, 1984) [12] . Water hardness values for water bodies of BIP (Table 1 and 2) were lower than 100 mg/l standard for human consumption (WHO, 1993) [41] , 120 mg/l for aquatic life (Vizeau, 1989) [4] , as well as 54.8 to 58.2 mg/l reported for River Niger (Imerbore, 1971) [19] and 466.96±54.18mg/l for Kware Lake (Onaji, et al, 2005) [27] .…”

Section: Total Hardnessmentioning

confidence: 99%

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Physicochemical parameters of water in earthen ponds and concrete water storage reservoirs in Bakolori irrigation project, Zamfara state, north western Nigeria

Aminu¹

2022

Int. J. Fish. Aquat. Stud.

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Physicochemical Parameters of large Earthen Ponds and Concrete water storage reservoirs (CWSRs) of Bakolori Irrigation Project (BIP) were investigated from March 2019 to February 2020. Four sampling stations were randomly selected from the two water body types. Air and Water Temperature, Dissolved Oxygen (DO), pH, Electrical Conductivity (EC), Water Depth, Total Dissolved Solids (TDS), Transparency & Salinity were determined in situ, while water samples were collected monthly from the eight sampling stations and taken to the laboratory for analysis of Alkalinity, Hardness, Nitrate-N and Phosphate-P. The data collected were arranged on the bases of two seasons (dry & wet) and five subseasons, namely: Early dry (Oct -Dec); mid dry (Jan & Feb); late dry (March -May); Early rainy (June & July) and flood period (Aug & Sept), and subjected to T test analysis using Minitab statistical package.Results were compared with the water quality standards for Human consumption, aquatic life and fish production aquatic life and aquaculture. Results showed that with the exception of high Turbidity (low transparency) due to mud & debris in the water storage reservoir in some sub seasons, the water bodies were suitable for Aquatic life and Aquaculture. But partly unsafe for human consumption. The study recommends continuous assessment of the water bodies for physicochemical parameters. It further recommends the use of several water storage reservoirs for mudfish (Such as Clarias and Hetrobranchus species) production instead of leaving them redundant as observed during the study period.

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Section: Electrical Conductivity (Ec)supporting

confidence: 56%

Section: Total Hardnessmentioning

confidence: 99%

Physicochemical parameters of water in earthen ponds and concrete water storage reservoirs in Bakolori irrigation project, Zamfara state, north western Nigeria

Aminu¹

2022

Int. J. Fish. Aquat. Stud.

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“…Compared with the adjoining Kainji Lake with an estimated aquatic macrophytic cover of 0.5% in 1970 (Imevbore, 1971) and which later grew to about 15% in 1994 (Olokor et al. , 1996), the marginal aquatic vegetation on Jebba Lake is still relatively limited (1.91%).…”

Section: Discussionmentioning

confidence: 99%

Assessment of aquatic vegetation invasion of Jebba Lake, Nigeria

2007

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“…dominated the fish catches during the first 2 years of Lake Kainji and that the decline in the yield of fish was due to a fall in the number of this important fish species. Imevbore (1971) reported that Citharinus citharus thrived in the early years of the lake because of the luxuriant algal growth which provided food for them. Imevbore & Okpo (in press) reported that those Citharinus spp.…”

Section: Introductionmentioning

confidence: 99%

Food and feeding of three Citharinus species in Lake Kainji, Nigeria

Arawomo

1976

Journal of Fish Biology

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This paper provides information on the food and feeding habits of three Cithurinus species in Lake Kainji. A total number of 2357 specimens made up of 1628 Cithauinus citharrts, 705 C. distichodoides and 24 C. lutus were examined. The majority of the fish caught by gill-netting had empty stomachs unlike those caught by cast-netting and electrofishing. The main food items were planktonic and epipelic blue-green and green algae. All the three species had similar feeding habits and also fed on the same items; their food varied with the seasons. Citharinus spp. have high gut length/standard length ratios which are adaptations to the microphagous and planktivorous feeding habits.

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Floating Vegetation of Lake Kainji, Nigeria

Cited by 16 publications

References 3 publications

Physicochemical parameters of water in earthen ponds and concrete water storage reservoirs in Bakolori irrigation project, Zamfara state, north western Nigeria

Physicochemical parameters of water in earthen ponds and concrete water storage reservoirs in Bakolori irrigation project, Zamfara state, north western Nigeria

Assessment of aquatic vegetation invasion of Jebba Lake, Nigeria

Food and feeding of three Citharinus species in Lake Kainji, Nigeria

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