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The Effect of Seasonal Changes on Freshwater Fish Assemblages and Environmental Factors in Bukit Merah Reservoir (Malaysia) Cover

The Effect of Seasonal Changes on Freshwater Fish Assemblages and Environmental Factors in Bukit Merah Reservoir (Malaysia)

Open Access
|Sep 2015

Abstract

Seasonal changes of freshwater fish assemblages and environmental factors in Bukit Merah Reservoir were carried out from January-February 2013 (dry season) to March-April 2013 (wet season) by measuring several physico-chemical parameters such as dissolved oxygen (DO), water temperature, pH, water conductivity, total dissolved solids (TDS) and water clarity. 19 fish species comprising of 10 families were collected by using experimental gill nets with different mesh sizes at four different sampling stations. Mean CPUE for total catch and biomass were significantly different between dry and wet season (p < 0.05). Based on a T-test analysis, water temperature, pH and conductivity were significantly different (p < 0.05) between seasons whereas a one-way ANOVA displayed a significant difference in TDS and water clarity between sampling stations (p < 0.05), implicating that those factors did not give major influence towards other parameters in a man-made reservoir. From all fish species studied, only mean CPUE for individuals (CPUEn) of Osteochilus vittatus and Oxygaster anomalura had a significant difference between seasons (p < 0.05); probably an indicator of their migration season

DOI: https://doi.org/10.1515/trser-2015-0005 | Journal eISSN: 2344-3219 | Journal ISSN: 1841-7051
Language: English
Page range: 97 - 108
Published on: Sep 8, 2015
Published by: Lucian Blaga University of Sibiu
In partnership with: Paradigm Publishing Services
Publication frequency: 3 issues per year
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© 2015 Zakeyuddin Mohd Shafiq, Md Sah Amir Shah Ruddin, Hazrin Hashim Zarul, Puteh Khaled, Mohammad Syaiful, Wan Omar Wan Maznah, published by Lucian Blaga University of Sibiu
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.