Evaluation of the Impact of Wastewater Generated From Catfish Ponds on the Quality of Soil in Lagos, Nigeria

Omofunmi, O. E.; Adewumi, J. K.; Adisa, A. F.; Alegbeleye, S. O.

doi:10.9734/arrb/2016/21761

Cited by 2 publications

(5 citation statements)

References 3 publications

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“…As reported by Han (2007) soil pH changed in the following orders among various land use practices: catfish pond soils > paddy soils > forest soils. Omofunmi et al, (2016) investigated the impact of fish pond effluents on soils, the results shown that pH of effluent discharged soils were relatively higher or alkaline than that of non-effluent discharged soils.…”

Section: Resultsmentioning

confidence: 99%

Carbon Dynamics in Rice based Farming Systems of Kari Soils

Chethankumar¹,

Devi²

2019

Int.J.Curr.Microbiol.App.Sci

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An experiment was carried out in rice field of Krishi Vigyan Kendra (KVK), Kumarakom during 2017 to 2018 to study the influence of rice-fish and rice-water fallow systems on carbon dynamics in Kari soil. The samples were analysed for bulk density, soil pH and soil C pools. Bulk density (BD) of the soil showed no significant difference between rice-fish and rice-water fallow systems. However significant difference was recorded between surface and sub surface soils with maximum in sub surface soils. Soil pH, soil organic C (SOC), Particulate organic C (POC) were found to be higher in rice-fish system compared to rice-water fallow system and surface soil contained higher pH, SOC, POC than sub surface soil. The treatments found to be non significant with respect to labile C (LC). The study revealed that the rice-fish system significantly increased the different C pools, soil pH compared to rice-water fallow system in Kari soils.

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Section: Resultsmentioning

confidence: 99%

Carbon Dynamics in Rice based Farming Systems of Kari Soils

Chethankumar¹,

Devi²

2019

Int.J.Curr.Microbiol.App.Sci

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“…Omofunmi (2010); Omitoyin (2007) suggested that public-private partnership should be encouraged to assist individual farmers with fish farming inputs such as feed biomass, fingerlings, animal feeds ,access to fund but little has been reported about the technical factors which are core to any aquaculture systems. Omofunmi et al (2016) reported that catfish effluent affects both physical and chemical properties of the soil; it contains higher concentration of macro and micro nutrients than that of soil at the disposal sites. The quality of soils at the immediate discharge site appears to be favourable in respect of soil enhancement (Omofunmi, et al, 2016).…”

Section: *Corresponding Authormentioning

confidence: 99%

“…Omofunmi et al (2016) reported that catfish effluent affects both physical and chemical properties of the soil; it contains higher concentration of macro and micro nutrients than that of soil at the disposal sites. The quality of soils at the immediate discharge site appears to be favourable in respect of soil enhancement (Omofunmi, et al, 2016). It has impact on soil quality in the immediate environment of the discharge site.…”

Section: *Corresponding Authormentioning

confidence: 99%

“…It has impact on soil quality in the immediate environment of the discharge site. Discharge of untreated wastewater pollutes the soil and surface water and this could be heightened during flooding which is still a menace in Lagos State (Omofunmi, et al, 2016). Flooding could cause the impairment of surface water and the escape of fish which is a great loss to the fishery industry.…”

Section: *Corresponding Authormentioning

confidence: 99%

“…The lack of site-specific data on the effluent quality of farms and on their impacts on receiving water bodies is a major constraints on the establishment of such regulatory measures and adaptation of appropriate waste management systems. In many developing nations such as Nigeria, regulations and laws are insufficient to provide adequate protection of the environment and natural resources (Omofunmi, et al, 2016).…”

Section: *Corresponding Authormentioning

confidence: 99%

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Assessment of Catfish Effluents Management in Lagos State, Nigeria

et al. 2017

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Catfish is one of the major sources of dietary protein in Nigeria. Lagos State is one of culturing areas with abundant fresh water and marine environments. The aim of this study was to evaluate the catfish rearing industry and its effluents management and make appropriate recommendations. Forty fish farms were randomly selected in Lagos State for the study. Questionnaire and in-depth interview were used for data collection on water sources, equipment operations, and waste management. Data collected were analyzed using descriptive statistics. Results indicated that over 80% of water for fish rearing was from shallow wells and 95% of the waste water generated was not treated before disposal into the environment. Effluents disposals employed were open pit (12.5%), drainage canal (32.5%), bare-land (20.0%), stream (22.5%) and re-used on farm (12.5%) and these methods of disposal were not significantly different (p ≤ 0.05). Only a few farmers carried out simple treatment before disposal namely; infiltration (2.5%) and sedimentation (2.5%). If the effluent management conditions were not improved, it could pose a threat to the environment in the study areas. Pond effluent must be treated before being disposed into the environment and waste water from fish pond effluent should be reused as irrigation water.

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Evaluation of the Impact of Wastewater Generated From Catfish Ponds on the Quality of Soil in Lagos, Nigeria

Cited by 2 publications

References 3 publications

Carbon Dynamics in Rice based Farming Systems of Kari Soils

Carbon Dynamics in Rice based Farming Systems of Kari Soils

Assessment of Catfish Effluents Management in Lagos State, Nigeria

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