Study of Some Physico-chemical Parameters and Their Effect on Potential Fish Yield in Gbedikere Lake, Bassa, Kogi State, Nigeria

S. Adeyemi
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引用次数: 6

Abstract

The study of physico-chemical parameters and their effect on potential fish yield in Gbedikere Lake was carried out. Water samples were collected between 9 am and 10 am every fourth nightly from three sampling points marked A, B and C between September 2006 and December 2008. Temperature and Transparency were measured on the field using Temperature Meter (9091 model) and Secchi-disk. 250 ml of water samples were collected and transported to the Biological Sciences Laboratory for analysis of pH, Dissolved Oxygen (DO2), Conductivity and Total Dissolved Solids (TDS). The result showed that Temperature, pH, Conductivity, DO2, TDS and Transparency ranged from 26-29 C, 5.08-8.02, 0.04-42.19 o ms/m /mol , 6.1-19.85 mg/l, 13.00-45.00 mg/l and 8.0-68.7 cm respectively. The correlation matrix for 2 -1 physico-chemical parameters revealed that there was no significant difference between Temperature, pH and Conductivity (p 0.05) between Temperature, TDS, pH an d Conductivity in the three sampling points. Water quality parameters of the lake were found to be suitable for fish production.
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尼日利亚科吉州Bassa Gbedikere湖一些理化参数及其对鱼类潜在产量影响的研究
研究了Gbedikere湖理化参数及其对鱼类潜在产量的影响。在2006年9月至2008年12月期间,每隔四个晚上于上午9时至10时在标记为A、B及C的三个采样点采集水样。采用9091型温度仪和Secchi-disk在现场测量温度和透明度。采集250 ml水样,送往生物科学实验室进行pH、溶解氧(DO2)、电导率和总溶解固形物(TDS)分析。结果表明,样品的温度、pH、电导率、DO2、TDS和透明度分别为26 ~ 29℃、5.08 ~ 8.02、0.04 ~ 42.19 ms/m /mol、6.1 ~ 19.85 mg/l、13.00 ~ 45.00 mg/l和8.0 ~ 68.7 cm。2 -1理化参数的相关矩阵显示,3个采样点的温度、TDS、pH和电导率之间无显著差异(p 0.05)。发现该湖的水质参数适合鱼类生产。
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