26Jul 2017

PHYSICO-CHEMICAL QUALITY OF SURFACE WATER WITHIN LONG BANGA UPPER HEART OF BORNEO ISLAND CATCHMENTS.

  • Senior Lecturer, Department of Forestry Science, Faculty of Agriculture and Food Sciences; UPM Bintulu Sarawak Campus, Jalan Nyabau, 97000 Bintulu, Sarawak, Malaysia.
  • Researcher, Research, Development, and Innovation Division; Forest Department Sarawak, Wisma Sumber Alam, Jalan Stadium, Petra Jaya, 93660 Kuching, Sarawak, Malaysia.
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Assessment of physico-chemical water quality of Long Banga upper catchment in Heart of Borneo area, Sarawak, Malaysia was conducted during Scientific Expedition 2016. The purpose was to ascertain the water quality level within these highland catchments. The results were compared with Malaysia Interim National Water Quality Standards (INWQS) standard for water quality. Results showed positive levels to aquatic life in general, with high dissolved oxygen concentrations with an average of 7.1 mg/l and also less conductivity, TDS and TSS in all sampling points. Water samples results from Sg. Ano revealed slight variation of high concentration of COD which fall under Class III of water quality standards compared to other streams. High concentration of COD might be attributed to production of organic acids during breakdown of organic matter. Generally, the results obtained indicated that physio-chemical properties of all 27 sampling points within Long Banga catchment was characterized as unpolluted and conserved in its natural state.

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[Geoffery James Gerusu and Nur Bazilah Ismail. (2017); PHYSICO-CHEMICAL QUALITY OF SURFACE WATER WITHIN LONG BANGA UPPER HEART OF BORNEO ISLAND CATCHMENTS. Int. J. of Adv. Res. 5 (Jul). 1713-1718] (ISSN 2320-5407). www.journalijar.com

Geoffery James Gerusu
Senior Lecturer

DOI:

Article DOI: 10.21474/IJAR01/4890      
DOI URL: https://dx.doi.org/10.21474/IJAR01/4890

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