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Effect of logging activities on water quality and benthic macroinvertebrate assemblages of Madek River Basin, Kluang, Johor, Malaysia


Citation

Aweng Eh Rak and Ismid Said and Maketab Mohamed and Ahmad Abas (2011) Effect of logging activities on water quality and benthic macroinvertebrate assemblages of Madek River Basin, Kluang, Johor, Malaysia. Journal of Applied Sciences and Environmental Management, 15 (2). pp. 337-340. ISSN 1119-8362

Abstract

The study was conducted to determine the effect of logging activities on water quality and
benthic macroinvertebrate assemblages for the Madek River basin. The study area was situated in Kluang, Johor,
Malaysia. Two sampling stations 500 meters apart are upstream and the other, downstream located at Madek River
which flows through a logging area in Kluang Forest Reserve were identified. The sampling was conducted four (4)
times from November 2008 to August 2009. Surber Net measuring 500 micron mesh size combined with a rectangular
quadrat of 30 cm x 30 cm (0.09 m2) was used to sample the macroinvertebrates. The organisms were identified up to
genus level except for Chironomidae which was only identified up to Sub-family level. For water quality, six in-situ
parameters based on the standard procedure of U. S. Environmental Protection Agency were measured at each station.
The parameters such as temperature, conductivity, dissolved oxygen (DO), pH, turbidity and salinity were measured
using a multi parameter probe Model YSI 6920 with 650 MDS Display/Logger as well as a single parameter probe.
All the physico-chemical water quality parameters were well below Class I as provided for under Interim National
Water Quality Standards for Malaysia (INWQS), except turbidity which fell under Class II of the INWQS. There were
only two (2) sensitive taxa namely Ephemeroptera and Trichoptera found in this station. Ephemeroptera that was
found in the logging area was from genus Potamanthus, Pseudiron, Ephemerella and Rhithrogena, while Trichoptera
was from genus Hydropsyche and Macrostemum. @JASEM

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Additional Metadata

Item Type: Non-Indexed Article
Collection Type: Institution
Date: June 2011
Journal or Publication Title: Journal of Applied Sciences and Environmental Management
ISSN: 1119-8362
Uncontrolled Keywords: Macroinvertebrate benthic ,Canopy cover , Water quality , Madek River , Logging , Selective management system.
Subject Heading: Water quality - Malaysia - Johor
Subject Heading: Logging - Malaysia
Subject Heading: Forest canopies
Faculty/Centre/Office: Faculty of Earth Sciences
URI: http://discol.umk.edu.my/id/eprint/7618
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