Water quality, primary productivity and carbon capture potential of microalgae in two urban manmade lakes, Selangor, Malaysia

The impact of climate change and weather conditions in small urban manmade lake is less understood. Most studies are done bimonthly or monthly without reference to weather conditions. The contribution of these small manmade lakes to carbon sequestration was largely ignored. There is...

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Main Authors: Omar, Munay Abdulqadir, Azmai, Mohammad Noor Amal, Omar, Hishamuddin, Ismail , Ahmad
Format: Article
Language:English
Published: American-Eurasian Network for Scientific Information 2016
Online Access:http://psasir.upm.edu.my/id/eprint/53249/1/Water%20quality%2C%20primary%20productivity%20and%20carbon%20capture%20potential%20of%20microalgae%20in%20two%20urban%20manmade%20lakes%2C%20Selangor%2C%20Malaysia.pdf
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author Omar, Munay Abdulqadir
Azmai, Mohammad Noor Amal
Omar, Hishamuddin
Ismail , Ahmad
author_facet Omar, Munay Abdulqadir
Azmai, Mohammad Noor Amal
Omar, Hishamuddin
Ismail , Ahmad
author_sort Omar, Munay Abdulqadir
collection UPM
description The impact of climate change and weather conditions in small urban manmade lake is less understood. Most studies are done bimonthly or monthly without reference to weather conditions. The contribution of these small manmade lakes to carbon sequestration was largely ignored. There is not much study about water quality and primary production in relation to weather conditions and weekly observations in tropical lakes. Therefore, this study investigates the potential of using microalgae in freshwater bodies to mitigate global warming through carbon dioxide fixation in urban small manmade lakes. A comparative study for water quality and primary productivity in two manmade lakes was done from September 2014 to July 2015. Weekly sampling in triplicate for 500 ml water samples were done for phytoplankton biomass analysis, alkalinity and nutrient analysis, from the surface of the lake at 0.5m depth. Three sets of 4 BOD bottles were used to measure biological oxygen demand and primary productivity. Physical parameters were measured from surface water by Yellow Spring Instrument multi parameter probe model (YSI-556 MPS ). Water transparency was measured by Secchi disk a nd rain rainfall using rain gauge. Daily recording of weather was done at three times a day, then the weather was classified into three weather conditions. Statistical analyses were done by one-way ANOVA, and principal component analysis (PCA). The average water qualit y parameters of the lake during all weather conditions were : water temperature (28.95 ̊C) & (29.43 ̊C), pH(7.14) & (7.11), electrical conductivity (0.15 mScmˉ¹) & (0.41 mScm ˉ¹), dissolved oxygen (5.5 mg Lˉ1) & (4.5 mg Lˉ1), alkalinity (43.8 mgCaCo3/L) & (148.2 mgCaCo3/L), rthophosphates (0.02mg L’/) & (0.42 mg Lˉ1), nitrate-itrogen (0.20 mg Lˉ1) & (0.07 mg Lˉ1), ammonium- nitrogen ( 0.06 mg Lˉ1) & (0.96 mg Lˉ1), trophic status index (20.6) & (37.5) in Engineering lake and Seri Serdang Lake respectively. High averages of chlorophyll -a concentration were (0.71± 0.10 μ g Lˉ¹) & (3.47 ± 0.96 μ g Lˉ¹) during dry weather conditions in Engineering lake and Seri Serdang Lake respectively. Temporal fluctuations of primary production occurred in Engineering lake and Seri Serdang Lake with average of (0.57± 0.09 mg C Lˉ¹ hˉ¹) & (2.86 ± 0.37 mg C L ˉ¹ hˉ¹) respectively. A principal component analysis extracted two components after Varimax rotation and they contributed (22.50 % &15.56 %) and (28.95% &18.14%) in Engineering lake and Seri Serdang lake respectively. The we ather conditions such cloud covers and rain fall that significantly influence light intensity and water quality which in turn influence primary productivity in both lakes. Water quality, primary productivity and carbon capture potential of microalgae in two urban manmade lakes, Selangor, Malaysia.
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spelling upm.eprints-532492017-09-21T01:56:04Z http://psasir.upm.edu.my/id/eprint/53249/ Water quality, primary productivity and carbon capture potential of microalgae in two urban manmade lakes, Selangor, Malaysia Omar, Munay Abdulqadir Azmai, Mohammad Noor Amal Omar, Hishamuddin Ismail , Ahmad The impact of climate change and weather conditions in small urban manmade lake is less understood. Most studies are done bimonthly or monthly without reference to weather conditions. The contribution of these small manmade lakes to carbon sequestration was largely ignored. There is not much study about water quality and primary production in relation to weather conditions and weekly observations in tropical lakes. Therefore, this study investigates the potential of using microalgae in freshwater bodies to mitigate global warming through carbon dioxide fixation in urban small manmade lakes. A comparative study for water quality and primary productivity in two manmade lakes was done from September 2014 to July 2015. Weekly sampling in triplicate for 500 ml water samples were done for phytoplankton biomass analysis, alkalinity and nutrient analysis, from the surface of the lake at 0.5m depth. Three sets of 4 BOD bottles were used to measure biological oxygen demand and primary productivity. Physical parameters were measured from surface water by Yellow Spring Instrument multi parameter probe model (YSI-556 MPS ). Water transparency was measured by Secchi disk a nd rain rainfall using rain gauge. Daily recording of weather was done at three times a day, then the weather was classified into three weather conditions. Statistical analyses were done by one-way ANOVA, and principal component analysis (PCA). The average water qualit y parameters of the lake during all weather conditions were : water temperature (28.95 ̊C) & (29.43 ̊C), pH(7.14) & (7.11), electrical conductivity (0.15 mScmˉ¹) & (0.41 mScm ˉ¹), dissolved oxygen (5.5 mg Lˉ1) & (4.5 mg Lˉ1), alkalinity (43.8 mgCaCo3/L) & (148.2 mgCaCo3/L), rthophosphates (0.02mg L’/) & (0.42 mg Lˉ1), nitrate-itrogen (0.20 mg Lˉ1) & (0.07 mg Lˉ1), ammonium- nitrogen ( 0.06 mg Lˉ1) & (0.96 mg Lˉ1), trophic status index (20.6) & (37.5) in Engineering lake and Seri Serdang Lake respectively. High averages of chlorophyll -a concentration were (0.71± 0.10 μ g Lˉ¹) & (3.47 ± 0.96 μ g Lˉ¹) during dry weather conditions in Engineering lake and Seri Serdang Lake respectively. Temporal fluctuations of primary production occurred in Engineering lake and Seri Serdang Lake with average of (0.57± 0.09 mg C Lˉ¹ hˉ¹) & (2.86 ± 0.37 mg C L ˉ¹ hˉ¹) respectively. A principal component analysis extracted two components after Varimax rotation and they contributed (22.50 % &15.56 %) and (28.95% &18.14%) in Engineering lake and Seri Serdang lake respectively. The we ather conditions such cloud covers and rain fall that significantly influence light intensity and water quality which in turn influence primary productivity in both lakes. Water quality, primary productivity and carbon capture potential of microalgae in two urban manmade lakes, Selangor, Malaysia. American-Eurasian Network for Scientific Information 2016-03 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/53249/1/Water%20quality%2C%20primary%20productivity%20and%20carbon%20capture%20potential%20of%20microalgae%20in%20two%20urban%20manmade%20lakes%2C%20Selangor%2C%20Malaysia.pdf Omar, Munay Abdulqadir and Azmai, Mohammad Noor Amal and Omar, Hishamuddin and Ismail , Ahmad (2016) Water quality, primary productivity and carbon capture potential of microalgae in two urban manmade lakes, Selangor, Malaysia. Advances in Environmental Biology, 10 (3). pp. 10-22. ISSN 1995-0756; ESSN: 1998-1066 http://www.aensiweb.com/AEB
spellingShingle Omar, Munay Abdulqadir
Azmai, Mohammad Noor Amal
Omar, Hishamuddin
Ismail , Ahmad
Water quality, primary productivity and carbon capture potential of microalgae in two urban manmade lakes, Selangor, Malaysia
title Water quality, primary productivity and carbon capture potential of microalgae in two urban manmade lakes, Selangor, Malaysia
title_full Water quality, primary productivity and carbon capture potential of microalgae in two urban manmade lakes, Selangor, Malaysia
title_fullStr Water quality, primary productivity and carbon capture potential of microalgae in two urban manmade lakes, Selangor, Malaysia
title_full_unstemmed Water quality, primary productivity and carbon capture potential of microalgae in two urban manmade lakes, Selangor, Malaysia
title_short Water quality, primary productivity and carbon capture potential of microalgae in two urban manmade lakes, Selangor, Malaysia
title_sort water quality primary productivity and carbon capture potential of microalgae in two urban manmade lakes selangor malaysia
url http://psasir.upm.edu.my/id/eprint/53249/1/Water%20quality%2C%20primary%20productivity%20and%20carbon%20capture%20potential%20of%20microalgae%20in%20two%20urban%20manmade%20lakes%2C%20Selangor%2C%20Malaysia.pdf
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