Water quality influence the phytoplankton and bacteria abundance: A comparison between shallow freshwater and saltwater ponds

Water quality influence the phytoplankton and bacteria abundance: A comparison between shallow freshwater and saltwater ponds

Study for understanding the role of various water quality parameters on phytoplankton and bacteria density in shallow freshwater and saltwater ponds is lacking. Therefore, the present study was conducted to understand the difference in influence of various water quality parameters on phytoplankton a...

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Main Author: Rahman, Mohammad Mustafizur
Format: Article
Language:English
Published: Taylor and Francis 2019
Subjects:
SH Aquaculture. Fisheries. Angling
Online Access:http://irep.iium.edu.my/77404/
http://irep.iium.edu.my/77404/
http://irep.iium.edu.my/77404/1/Water%20quality%20influence%20the%20abundance%20-%20accepted%20version%20with%20acceptence%20letter.pdf
id iium-77404
recordtype eprints
spelling iium-774042020-01-08T01:37:33Z http://irep.iium.edu.my/77404/ Water quality influence the phytoplankton and bacteria abundance: A comparison between shallow freshwater and saltwater ponds Rahman, Mohammad Mustafizur SH Aquaculture. Fisheries. Angling Study for understanding the role of various water quality parameters on phytoplankton and bacteria density in shallow freshwater and saltwater ponds is lacking. Therefore, the present study was conducted to understand the difference in influence of various water quality parameters on phytoplankton and bacteria density in freshwater and saltwater ponds. A series of water quality parameters, phytoplankton biomass (as indexed by chlorophyll-a), the density of bacteria and trophic state (as indexed by TRIX index) were determined monthly in two freshwater and two saltwater ponds located in Kuantan, Pahang, Malaysia. Apart from pond type and temporal effects, multivariate ordinations were performed using two different datasets: water quality, and phytoplankton and benthic macroinvertebrates. Water temperature, salinity, and the concentration of TSS and ammonia were significantly (p<0.05) higher in June-July than in August. This trend was not observed in TRIX index and nitrite concentration, which were higher in August than in June-July. The Chl-a concentration differed significantly (p<0.05) between ponds, with higher mean values in ponds with freshwater than in ponds with saltwater. Density of bacteria was consistent (p>0.05) throughout the study period in both freshwater and saltwater ponds. All ponds under study are oligotrophic. In all ponds, the water quality dataset explained the overall variation in phytoplankton and bacteria abundance quite well. Phytoplankton biomass in freshwater ponds is greatly related with phosphate and slightly related with ammonia and water depth. In saltwater ponds, nitrogenous nutrients (nitrate and ammonia) were strong predictors of phytoplankton biomass and stronger than salinity, TSS and pH. Turbidity was the strongest predictor of bacteria density in freshwater and saltwater ponds. It had strong negative influences on bacteria density in freshwater ponds whereas, it had strong negative influences on bacteria density in saltwater ponds. The results of this study support and emphasize the importance for developing appropriate programs for the monitoring and conservation of various freshwater and saltwater ponds. Taylor and Francis 2019-12-15 Article PeerReviewed application/pdf en http://irep.iium.edu.my/77404/1/Water%20quality%20influence%20the%20abundance%20-%20accepted%20version%20with%20acceptence%20letter.pdf Rahman, Mohammad Mustafizur (2019) Water quality influence the phytoplankton and bacteria abundance: A comparison between shallow freshwater and saltwater ponds. DESALINATION AND WATER TREATMENT. ISSN 1944-3994 E-ISSN 1944-3986 (In Press) https://www.tandfonline.com/toc/tdwt20/current
repository_type Digital Repository
institution_category Local University
institution International Islamic University Malaysia
building IIUM Repository
collection Online Access
language English
topic SH Aquaculture. Fisheries. Angling
spellingShingle SH Aquaculture. Fisheries. Angling
Rahman, Mohammad Mustafizur
Water quality influence the phytoplankton and bacteria abundance: A comparison between shallow freshwater and saltwater ponds
description Study for understanding the role of various water quality parameters on phytoplankton and bacteria density in shallow freshwater and saltwater ponds is lacking. Therefore, the present study was conducted to understand the difference in influence of various water quality parameters on phytoplankton and bacteria density in freshwater and saltwater ponds. A series of water quality parameters, phytoplankton biomass (as indexed by chlorophyll-a), the density of bacteria and trophic state (as indexed by TRIX index) were determined monthly in two freshwater and two saltwater ponds located in Kuantan, Pahang, Malaysia. Apart from pond type and temporal effects, multivariate ordinations were performed using two different datasets: water quality, and phytoplankton and benthic macroinvertebrates. Water temperature, salinity, and the concentration of TSS and ammonia were significantly (p<0.05) higher in June-July than in August. This trend was not observed in TRIX index and nitrite concentration, which were higher in August than in June-July. The Chl-a concentration differed significantly (p<0.05) between ponds, with higher mean values in ponds with freshwater than in ponds with saltwater. Density of bacteria was consistent (p>0.05) throughout the study period in both freshwater and saltwater ponds. All ponds under study are oligotrophic. In all ponds, the water quality dataset explained the overall variation in phytoplankton and bacteria abundance quite well. Phytoplankton biomass in freshwater ponds is greatly related with phosphate and slightly related with ammonia and water depth. In saltwater ponds, nitrogenous nutrients (nitrate and ammonia) were strong predictors of phytoplankton biomass and stronger than salinity, TSS and pH. Turbidity was the strongest predictor of bacteria density in freshwater and saltwater ponds. It had strong negative influences on bacteria density in freshwater ponds whereas, it had strong negative influences on bacteria density in saltwater ponds. The results of this study support and emphasize the importance for developing appropriate programs for the monitoring and conservation of various freshwater and saltwater ponds.
format Article
author Rahman, Mohammad Mustafizur
author_facet Rahman, Mohammad Mustafizur
author_sort Rahman, Mohammad Mustafizur
title Water quality influence the phytoplankton and bacteria abundance: A comparison between shallow freshwater and saltwater ponds
title_short Water quality influence the phytoplankton and bacteria abundance: A comparison between shallow freshwater and saltwater ponds
title_full Water quality influence the phytoplankton and bacteria abundance: A comparison between shallow freshwater and saltwater ponds
title_fullStr Water quality influence the phytoplankton and bacteria abundance: A comparison between shallow freshwater and saltwater ponds
title_full_unstemmed Water quality influence the phytoplankton and bacteria abundance: A comparison between shallow freshwater and saltwater ponds
title_sort water quality influence the phytoplankton and bacteria abundance: a comparison between shallow freshwater and saltwater ponds
publisher Taylor and Francis
publishDate 2019
url http://irep.iium.edu.my/77404/
http://irep.iium.edu.my/77404/
http://irep.iium.edu.my/77404/1/Water%20quality%20influence%20the%20abundance%20-%20accepted%20version%20with%20acceptence%20letter.pdf
first_indexed 2023-09-18T21:49:11Z
last_indexed 2023-09-18T21:49:11Z
_version_ 1777413653554790400

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