Physicochemical Parameters of Surface Seawater in Malaysia Exclusive Economic Zones Off the Coast of Sarawak

Physicochemical characteristics of seawater play crucial role for productive marine ecosystem and fisheries activities. The limited information of Sarawak surface seawaters provide objective to determine the physicochemical characteristics in Malaysia Exclusive Economic Zone off the Coast of Saraw...

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Main Authors: Farah, Akmal Idrus, Chong, Melissa Dennis, Nur Syazwani, Abd Rahim, Masania, Mohd Basri, Jamil, Musel
Format: Article
Language:English
Published: Universiti Malaysia Sarawak, (UNIMAS) 2017
Subjects:
Online Access:http://ir.unimas.my/id/eprint/17518/
http://ir.unimas.my/id/eprint/17518/1/Physicochemical%20Parameters%20of%20Surface%20Seawater%20in%20Malaysia%20%28abstract%29.pdf
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author Farah, Akmal Idrus
Chong, Melissa Dennis
Nur Syazwani, Abd Rahim
Masania, Mohd Basri
Jamil, Musel
author_facet Farah, Akmal Idrus
Chong, Melissa Dennis
Nur Syazwani, Abd Rahim
Masania, Mohd Basri
Jamil, Musel
author_sort Farah, Akmal Idrus
building UNIMAS Institutional Repository
collection Online Access
description Physicochemical characteristics of seawater play crucial role for productive marine ecosystem and fisheries activities. The limited information of Sarawak surface seawaters provide objective to determine the physicochemical characteristics in Malaysia Exclusive Economic Zone off the Coast of Sarawak. A total of 38 samples were collected using Van Dorn Waals Sampler and the physicochemical characteristics were measured using physicochemical parameter probes. Ranges for dissolved oxygen (DO) was 3.73-6.83 mg/l, temperature was 27.03-30.13ºC, pH was 7.63-7.82, salinity was 33.77-36.77 ppt, turbidity was 0.01-1.01 NTU, chlorophylla concentration was 0.01-4.52 mg/l, nitrate was 0.01–0.08 mg/l, nitrite was 0.001–0.012 mg/l and phosphate was 0.01–5.95 mg/l. There was positive correlation between chlorophyll-a and nutrients that indicated the biological uptake by biota (e.g. phytoplankton). In conclusion, the present study shows that the Malaysia Exclusive Economic Zone off the Coast of Sarawak had minimal pollution based on Malaysia Marine Water Quality Criteria. An update for physicochemical characteristics of surface seawaters in the coverage areas is required as future work.
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institution Universiti Malaysia Sarawak
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spelling unimas-175182017-09-08T06:50:46Z http://ir.unimas.my/id/eprint/17518/ Physicochemical Parameters of Surface Seawater in Malaysia Exclusive Economic Zones Off the Coast of Sarawak Farah, Akmal Idrus Chong, Melissa Dennis Nur Syazwani, Abd Rahim Masania, Mohd Basri Jamil, Musel GE Environmental Sciences Physicochemical characteristics of seawater play crucial role for productive marine ecosystem and fisheries activities. The limited information of Sarawak surface seawaters provide objective to determine the physicochemical characteristics in Malaysia Exclusive Economic Zone off the Coast of Sarawak. A total of 38 samples were collected using Van Dorn Waals Sampler and the physicochemical characteristics were measured using physicochemical parameter probes. Ranges for dissolved oxygen (DO) was 3.73-6.83 mg/l, temperature was 27.03-30.13ºC, pH was 7.63-7.82, salinity was 33.77-36.77 ppt, turbidity was 0.01-1.01 NTU, chlorophylla concentration was 0.01-4.52 mg/l, nitrate was 0.01–0.08 mg/l, nitrite was 0.001–0.012 mg/l and phosphate was 0.01–5.95 mg/l. There was positive correlation between chlorophyll-a and nutrients that indicated the biological uptake by biota (e.g. phytoplankton). In conclusion, the present study shows that the Malaysia Exclusive Economic Zone off the Coast of Sarawak had minimal pollution based on Malaysia Marine Water Quality Criteria. An update for physicochemical characteristics of surface seawaters in the coverage areas is required as future work. Universiti Malaysia Sarawak, (UNIMAS) 2017 Article PeerReviewed text en http://ir.unimas.my/id/eprint/17518/1/Physicochemical%20Parameters%20of%20Surface%20Seawater%20in%20Malaysia%20%28abstract%29.pdf Farah, Akmal Idrus and Chong, Melissa Dennis and Nur Syazwani, Abd Rahim and Masania, Mohd Basri and Jamil, Musel (2017) Physicochemical Parameters of Surface Seawater in Malaysia Exclusive Economic Zones Off the Coast of Sarawak. Borneo Journal of Resource Science and Technology, 7 (1). pp. 1-10. ISSN 2229-9769 http://www.bjrst.unimas.my/index.php/online-issue
spellingShingle GE Environmental Sciences
Farah, Akmal Idrus
Chong, Melissa Dennis
Nur Syazwani, Abd Rahim
Masania, Mohd Basri
Jamil, Musel
Physicochemical Parameters of Surface Seawater in Malaysia Exclusive Economic Zones Off the Coast of Sarawak
title Physicochemical Parameters of Surface Seawater in Malaysia Exclusive Economic Zones Off the Coast of Sarawak
title_full Physicochemical Parameters of Surface Seawater in Malaysia Exclusive Economic Zones Off the Coast of Sarawak
title_fullStr Physicochemical Parameters of Surface Seawater in Malaysia Exclusive Economic Zones Off the Coast of Sarawak
title_full_unstemmed Physicochemical Parameters of Surface Seawater in Malaysia Exclusive Economic Zones Off the Coast of Sarawak
title_short Physicochemical Parameters of Surface Seawater in Malaysia Exclusive Economic Zones Off the Coast of Sarawak
title_sort physicochemical parameters of surface seawater in malaysia exclusive economic zones off the coast of sarawak
topic GE Environmental Sciences
url http://ir.unimas.my/id/eprint/17518/
http://ir.unimas.my/id/eprint/17518/
http://ir.unimas.my/id/eprint/17518/1/Physicochemical%20Parameters%20of%20Surface%20Seawater%20in%20Malaysia%20%28abstract%29.pdf