尼日利亚西南部拉各斯泻湖部分理化参数评价

P. Oyeleke, S. Popoola, O. A. Abiodun
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引用次数: 5

摘要

调查了拉各斯泻湖的污染状况,确定了一些物理和化学参数,以进一步了解其水质。根据这些地区发生的人为活动选择了五个地点。测量的参数有水温、盐度、电导率、pH、溶解氧(DO)和碱度。温度平均值为28.50-30.15°C, pH值为7.86-8.50,盐度为ND-10.60‰,电导率为0.18-15.20µS/cm,碱度为12.00-14.00 mg/l,溶解氧为1.60-6.40 mg/l。对测得的理化参数进行统计分析,各站点的理化参数差异无统计学意义(p>0.05)。总的来说,得到的数值表明人类活动的影响,特别是大多数台站的DO耗竭。因此,为了拉各斯泻湖水生生态系统的健康和安全,应控制点源和非点源污染。一般来说,所有测量的参数都低于或在海洋环境中可获得的允许限度之内。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Assessment of Some Physico-Chemical Parameters of Lagos Lagoon, Southwestern Nigeria
The pollution status of Lagos Lagoon was investigated to determine some physical and chemical parameters, in order to further understand its water quality. Five locations were selected according to the anthropogenic activities taking place in the areas. The measured parameters are water temperature, salinity, conductivity, pH, dissolved oxygen (DO) and alkalinity. The mean values ranged from 28.50-30.15°C for temperature, 7.86-8.50 for pH, ND-10.60‰ for salinity, 0.18-15.20µS/cm for electrical conductivity, 12.00-14.00 mg/l for alkalinity and 1.60-6.40 mg/l for dissolved oxygen. The statistical analysis of the measured physicochemical parameters revealed non-significant difference (p>0.05) across all stations in the physico-chemical parameters. Generally, the values obtained suggest the influence of anthropogenic activities especially the depletion of DO in most of the stations. Therefore, point source and non-point source pollution into the Lagos Lagoon should be controlled for the health and safety of the aquatic ecosystems. Generally, all the measured parameters were either below or within the permissible limits obtainable in the marine environment.
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