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MONTHLY VARIATIONS IN COMPOSITION AND ABUNDANCE OF<br />

ZOOPLANKTON IN SETIU WETLAND<br />

NUR SYAMIRA AZIAN BINTI HADI<br />

DR ROSWATI BT MD AMIN<br />

BACHELOR OF SCIENCES (MARINE BIOLOGY)<br />

SCHOOL OF MARINE SCIENCE AND ENVIRONMENTAL<br />

Setiu Wetland is known for its shallow and well mixed water column and<br />

subjected to major anthropogenic activities; including fish and shrimp<br />

aquaculture. These activities can give impact to the water quality and<br />

physicochemical properties of the estuary. Hence, the study was conducted to<br />

examine the zooplankton variations by collecting samples for 10 months<br />

starting from January until December 2017 at 3 different stations; Station 1<br />

(control; no anthropogenic activity area), Station 2 (main anthropogenic activity<br />

area) and Station 3 (abandon fish cage which are 3km from the river mouth).<br />

28 genera of zooplankton from 8 phyla were recorded throughout study period.<br />

Copepods were found abundant in all stations followed by Ciliates and Mollusca.<br />

The highest average density was recorded in December while the lowest in<br />

January. No variations between stations were observed but the alteration of<br />

salinity can give major impact to zooplankton distribution and occurrence in<br />

Setiu Wetland.<br />

1795 | UMT UNDERGRADUATE RESEARCH DAY 2018

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