The Effect of Human Activities on the Quality of Water at UMhlathuze River （Northern Coast of Kwa-Zulu Natal, RSA）： The Case of Agricultural and Industrial Developments

UMhlathuze River is the main recipient of domestic sewage, industrial as well as agricultural waste from local industrial and agricultural practices. It is the effluent ＂dumping sites＂ for most human activity practices. Contamination of UMhlathuze River by agricultural and industrial developments ma...

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Bibliographic Details
Published in:农业科学与技术：A 2012, Vol.2 (5), p.591-597
Main Author: Mathews Simon Mthembu Trayana Guegueva Djarova Albert Kotze Basson
Format: Article
Language:Chinese
Subjects:
RSA
人类活动
农业废弃物
工业区
水质
海岸
生活污水
纳塔
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Summary:UMhlathuze River is the main recipient of domestic sewage, industrial as well as agricultural waste from local industrial and agricultural practices. It is the effluent ＂dumping sites＂ for most human activity practices. Contamination of UMhlathuze River by agricultural and industrial developments makes communities around UMhlathuze area susceptible to potential outbreaks of water-borne illnesses as well as the risk of ingesting carcinogenic substances. In establishment of the effect of human developments on the UMhlathuze River, four different sites representing different human activities were used for sampling along the river. Temperature and pH were monitored in siitu and were found to vary between 19-21℃and 6.2-7.8, respectively. Chemical oxygen demand （COD） was found to be higher in areas affected by both industrial and agricultural activities. Spectroquadrant Pharo 300 （Merck） was used for chemical analysis of water. Agricultural waste recipient area had high concentration of phosphate, ammonia and nitra
ISSN:2161-6256