Effect of monsoon on water quality, trophic state and growth parameters of barbonymus schwanenfeldii and barbonymus gonionotus in the Kuantan river /

Kuantan River is a major river, which is playing a very important and life-sustaining role in providing 350,000m3 daily freshwater for many peoples in Kuantan settlement. Monsoonal rain cause surface runoff that may affect water quality, nutrient concentration and condition of aquatic organisms in K...

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Bibliographic Details
Main Author: Mohd Haikal Izzuddin bin Mohd Azam (Author)
Format: Thesis
Language:English
Published: Kuantan, Pahang : Kulliyyah of Science, International Islamic University Malaysia, 2018
Subjects:
Online Access:Click here to view 1st 24 pages of the thesis. Members can view fulltext at the specified PCs in the library.
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008 181031s2018 my a f m 000 0 eng d
040 |a UIAM  |b eng  |e rda 
041 |a eng 
043 |a a-my--- 
100 0 |a Mohd Haikal Izzuddin bin Mohd Azam,  |e author 
245 1 0 |a Effect of monsoon on water quality, trophic state and growth parameters of barbonymus schwanenfeldii and barbonymus gonionotus in the Kuantan river /  |c by Mohd Haikal Izzuddin bin Mohd Azam 
264 1 |a Kuantan, Pahang :  |b Kulliyyah of Science, International Islamic University Malaysia,  |c 2018 
300 |a xiv, 195 leaves :  |b colour illustrations ;  |c 30cm. 
336 |2 rdacontent  |a text 
347 |2 rdaft  |a text file  |b PDF 
502 |a Thesis (MSBSC)--International Islamic University Malaysia, 2018. 
504 |a Includes bibliographical references (leaves 153-179). 
520 |a Kuantan River is a major river, which is playing a very important and life-sustaining role in providing 350,000m3 daily freshwater for many peoples in Kuantan settlement. Monsoonal rain cause surface runoff that may affect water quality, nutrient concentration and condition of aquatic organisms in Kuantan River. To elucidate temporal changes of water quality (physical and chemical properties), trophic state and growth of fish in the Kuantan River, a twelve-month study was conducted from April 2014 to March 2015. Water quality was estimated from downstream area (5km from Kuantan River mouth) and upstream area (15km from Kuantan River mouth) of the river. Two model fish was used (Barbonymus chwanenfeldii and Barbonymus gonionotus) in this study due to their abundance in the river. Water quality parameter tested in-situ were temperature, dissolved oxygen, pH, salinity and conductivity and in laboratory were total alkalinity, nitrate-nitrogen (NO3-N), nitrite-nitrogen (NO2-N), ammoniacal Nitrogen (NH3-N), phosphate-phosphorous (PO4-P), silicate (SiO2), chlorophyll a and total suspended solid (TSS). Results showed that temperature, salinity, dissolve oxygen, conductivity, total alkalinity, nitrate ammonia, chlorophyll a, total suspended solid, and silica concentrations in the water varied spatially (P<0.05). NO3-N, SiO2 and chlorophyll a increased while temperature, alkalinity, conductivity, TSS and inorganic nitrogen decreased during monsoon compared dry season. Overall, mean temperature, pH, salinity, conductivity, total alkalinity and dissolve oxygen (DO) and ammonia were higher in downstream water compared to upstream water. An opposite trend was observed in the case of Chlorophyll a. Water temperature and DO were found to be the highest in surface water, while the opposite was observed for salinity, total alkalinity and ammoniacal nitrogen, whereas no significant difference was observed for other water parameters. Water of upstream and downstream zones were equally productive (P>0.05). Kuantan river water was more productive in during monsoon season (October-February) and rainy season compared to dry season. Overall productivity was the highest in surface water, followed by middle and bottom layers of the water column. Barbonymus schwanenfeldii, showed a negative allometric growth (b<3, P<0.05) in May-Oct while a positively allometric growth (b>3, P<0.05) in Nov-April. This fish showed better growth and condition during the North-East monsoon compared to the dry season. B. gonionotus, showed a negative allometric growth (b<3, P<0.05) for almost all months. The spawning season of B. gonionotus is very long extending from December to August while the B. schwanenfeldii showed a shorter spawning season exhibiting two recruit times (February and July). In addition to use as the baseline information, the results of this study can be used for a proper management particularly imposing rules and regulation regarding fishing for sustainable production of B. schwanenfeldii and B. gonionutus from Kuantan River. 
596 |a 1 6 
655 7 |a Theses, IIUM local 
690 |a Dissertations, Academic  |x Department of Biotechnology  |z IIUM 
710 2 |a International Islamic University Malaysia.  |b Department of Biotechnology 
856 4 |u https://lib.iium.edu.my/mom/services/mom/document/getFile/xTieWqijxEpQXGir8xkqO5Inf9RwBADz20190514095238100  |z Click here to view 1st 24 pages of the thesis. Members can view fulltext at the specified PCs in the library. 
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