Preliminary Study on Seaweed Community from an Intertidal area of Telok Serabang, Sematan, Sarawak

Audrey Nedra Benjamin, - (2022) Preliminary Study on Seaweed Community from an Intertidal area of Telok Serabang, Sematan, Sarawak. [Final Year Project Report] (Unpublished)

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Abstract

Previously, several seaweed studies have been conducted in Sarawak, but there is still inadequate data of seaweed study in Telok Serabang. In order to address the lack of seaweed information in this area, an assessment of seaweed community from an intertidal environment was conducted at Telok Serabang, Sematan, Sarawak. Six stations along beach were selected to collect seaweed samples. On the basis of morphological characteristics, five genera namely genera Gracilaria, Padina, Acanthophora, Udotea, and Cladophoropsis were identified. During the entire study period, the Rhodophyta division had the highest percentage (50%) of species composition, with Chlorophyta (33%) and Phaeophyta (17%). Six stations in the intertidal zones of Telok Serabang were selected to collect physicochemical parameter. The temperature of the water ranged from 33.3°C to 40.0°C. The pH ranged from 7.60 to 8.21, and the dissolved oxygen (DO) concentration ranged from 4.0 to 8.2 mg/L. The correlation of pH (r= 0.4996) and DO (r = 0.5889) showes a positive relationship with species diversity, indicating that these factors are important for seaweed growth. As a result, this research could be used in the future to study the composition pattern and seaweed population in the intertidal area of Telok Serabang, Sematan, Sarawak.

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