Environmental conditions of a drainage channel inhabited by an invasive species Melanoides tuberculatus (Muller, 1774) in southwestern, Nigeria

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Lawal, M. O.
Dunsin, B.A.
Edokpayi, C.A.
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International Journal of Aquatic Science
Melanoides tuberculatus (Muller, 1774) an invasive species that serves as vector transmitting several diseases causing parasites was found inhabiting a drainage channel in University of Lagos. The prevailing environmental conditions of the drainage channel were studied between February and July 2006. Standard methods were used to collect and analyze samples. pH ranged from 6.30 to 7.70. The Air and water temperatures ranged between 29.37±2.29 ºc and 28.62±2.00 ºc respectively. Conductivity, total dissolved solid (TDS), salinity, dissolved oxygen, biochemical oxygen demand, nitrate, copper, phosphate and sulphate ranged between 37.17±13.60 μscm-1, 18.50±6.75 ppm, 0.04±0.05‰, 4.28±0.34 ppm, 6.17±3.19 ppm, 1.03±0.27 ppm, 0.03±0.05ppm, 0.20±0.36 ppm and 10.17±5.38 ppm respectively. pH significantly correlated with water temperature (r=0.891, P < 0.05); TDS significantly correlated with nitrate (r=0.845, P < 0.05) and conductivity (r=1.000, P < 0.05); nitrate correlated significantly with conductivity (r=0.834, P <0.05) and copper correlated significantly with phosphate (r=0.987, P < 0.05). The observed environmental factors that favour colonization of M. tuberculatus in the drainage channel suggest its possible spread in several water bodies in Nigeria.
Staff publications
Diatribution pattern , Environmental conditions , Melanoides tuberculatus , Nutrient elements , Research Subject Categories::NATURAL SCIENCES
Dunsin B.A., Edokpayi C.A. and Lawal M.O. (2012). Environmental conditions of a drainage channel inhabited by an invasive speciesMelanoides tuberculatus(Muller, 1774) in Southwestern, Nigeria. International Journal of Aquatic Science, 3(1): 58 - 70.