Open AccessTEMPORAL AND SPATIAL VARIATIONS OF SELECTED WATER QUALITY PARAMETERS IN SERGESTID SHRIMPS’ HABITAT ALONG COASTAL WATER OF MIRI, SARAWAK, MALAYSIAN BORNEO
Author(s) -
Ruhana Hassan,
Muhammad Nur Arif Othman
Publication year - 2021
Publication title -
malaysian applied biology/malaysian applied biology journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.153
H-Index - 8
eISSN - 2462-151X
pISSN - 0126-8643
DOI - 10.55230/mabjournal.v50i3.2214
Subject(s) - turbidity , water quality , salinity , environmental science , total suspended solids , habitat , hydrology (agriculture) , saline water , biochemical oxygen demand , shrimp , chlorophyll a , total dissolved solids , fishery , oceanography , ecology , chemical oxygen demand , environmental engineering , biology , wastewater , geotechnical engineering , botany , engineering , geology
Evidences have shown that coastal water as habitat that support various flora and fauna as well as nursery ground which highlight the importance of water quality monitoring that act as basis for productivity of fisheries. Therefore, the objective of this study is to analyse the temporal and spatial variations of selected water quality parameters in sergestid shrimp’s habitat along the coastal water of Miri, Sarawak. Nine water quality parameters namely dissolved oxygen (DO), temperature, turbidity, pH, salinity, chlorophyll a (chl a), total suspended solid (TSS), nitrate (NO3-) and orthophosphate (PO43-) were measured in four stations along Miri coastal water. The variation explained by the principal component analysis had a total variance of 55.95%. The PC1 shows that the waters in July 2017, September 2017, October 2017, December 2017 and January 2018 were characterized with high turbidity and TSS as well as low temperature and salinity. In contrast, stations in November 2017, March 2018 and April 2018 had warmer and clear water with high salinity reading, whereby blooms of sergestid shrimps were observed in March and April 2018. The PC2 result shows that in May 2017 and June 2017, coastal waters were characterized with low pH reading. Overall, the water quality parameters measured in all stations were close to the standard value of Class E of Malaysian Marine Water Quality Standards (MMWQS).