Seasonal Variations of Some Physicochemical Parameters of the Brackish Water Farm, Buguma, Niger Delta, Nigeria | Chapter 3 | Recent Research Advances in Biology Vol. 8

 The brackish water fish farm in Buguma, Nigerian Institute for Oceanography and Marine Research/African Regional Aquaculture Centre (NIOMR/ARAC), is an example of tidal water between the farm and nearby stream, where tidal water flows into and out, enhancing continual water exchange. The water quality parameter expresses the composition of water as it is influenced by natural and anthropogenic activity in terms of measurable quantities. Knowledge of a water body's hydrological parameters aids in assessing its productivity as well as gaining a better knowledge of the fish community's population and life cycle. The results show that the pH, ammonia-nitrogen, nitrite-nitrogen, nitrate-nitrogen, alkalinity, carbon (iv) oxide, salinity, dissolved oxygen, and temperature ranges for 2011 were 6.5-7, 0-0.1 ppm, 0.25-0.25 ppm, 40-80 ppm, 5-10 ppm, 9-20 ppt; 3.8-6 ppm, and 26-31°C, respectively, while the For both years, there were no significant variations (p>0.05) in any of the parameters, and the observed values were within acceptable ranges for optimum aquaculture. When tolerated limits have been established, proper management of these factors will greatly aid fish productivity and increase research aimed at adapting fish species to this region of the Niger Delta.

Author (s) Details

Owhonda, Ndubuisi Kingsley
African Regional Aquaculture Centre/Nigerian Institute for Oceanography and Marine Research, Buguma, P.M.B 5122, Port Harcourt, Nigeria.

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Assessment and Analysis of Water Quality Parameters of Groundwater Near Ranebennur Industrial Area, Haveri District, Karnataka, India | Chapter 2 | Challenging Issues on Environment and Earth Science Vol. 1

This paper presents an evaluation of the groundwater quality of industrialised villages in Ranebennurtaluk, Haveri district, Karnataka, India. In order to measure the quality of groundwater for evaluating its fitness for domestic us e, five villages affected by industrialization were chosen for the present analysis. Groundwater is an important source of water for the survival of human life and the protection of the environment. For drinking, irrigation and industrial uses, groundwater is the most vital source of water. Bore well samples were tested for physico - chemical variations and groundwater quality from each village. Comparison of Physico - findings of chemical analysis with Indian Standard drinking water limits shows that all but a few groundwater samples are fit for drinking and irrigation purposes. For five villages, the average pH value is 7.5-8.0, which is within the desired range. The pH value is growing, however, so it may not be ideal for future use. More than 1000 is around 75% of the EC and TDS values, but it is acceptable. Around 50% of chloride-containing water samples greater than 250 mg/l are considered undesirable for drinking purposes, which can lead to cardiovascular diseases. For each sample of villages, the sulphate concentration is within the desirable limit. It is also found that 25 percent of samples containing more than 300 mg/l of total hardness are undesirable. There could be a chance of deteriorating groundwater quality in the future. The quality of groundwater can be enhanced by the adoption of waste water treatment plants in industries that cause these aquifers to be contaminated.

Author (s) Details

H. Vijaya Kumar
Department of Water Resource Management, VTU, Belagavi, India.

Nagraj S. Patil
Department of Water and Land Management, VTU, Belagavi, India.

Nanjundi Prabhu
Department of Civil Engineering, NMIT, Bangalore, India.

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