Macroalgal communities of intertidal rocky shores around Bintulu Sarawak

Japar Sidik B., . and Muta Harah Z., . and Arshad A., . and Ogawa H., . and Wong S. C., . (2010) Macroalgal communities of intertidal rocky shores around Bintulu Sarawak. [Proceedings Paper]

Macroalgae are unique compared to seagrasses in that they are adapted to colonise range of soft to hard substrates from sand boulders rocks to coral reefs. Based on previous observations for examples around Similajau National Park Bintulu macroalgae communities tend to utilize hard substrates as their striving environments. Only few species such as Caulerpa and Halimeda colonize and thrive in sandy environments. As an extension to the previous study this present study is perform to evaluate the macroalgae community structure and their species distribution in relation to their environments the rocky shores around Bintulu Sarawak. Five study sites were sampled monthly during January to August 2008 in the intertidal rocky shores around Bintulu Sarawak Malaysia. A total of 19 families and 35 species of intertidal macroalgae were determined comprising the three divisions Chlorophyta Phaeophyta and Rhodophyta. Of these Rhodophyta has the diverse representative of macroalgae with 18 species from 10 families Chlorophyta with 12 species from seven families and Phaeopyta with five species from two families. The Family Rhodomelaceae is represented with five species namely Acanthophora spicifera Bostrychia sp. Laurencia papillosa Laurencia sp. and Leveillea jungermannioides. Dictyotaceae With four species Ulvaceae and Corallinaceae with three species Caulerpaceae Cladophoraceae Udoteaceae Gelidiaceae Gracilariaceae with two species while the rest such as Anadyomenaceae Polyphysaceae Valoniaceae Sargassaceae Bangiaceae Ceramiaceae Champiaceae Garaxauraceae Hypneaceae and Rhodymeniaceae with one species respectively. The macroalgae community structure the coexistence of the species in relation to their environments is described in this paper.

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Abstract

Macroalgae are unique compared to seagrasses in that they are adapted to colonise range of soft to hard substrates from sand boulders rocks to coral reefs. Based on previous observations for examples around Similajau National Park Bintulu macroalgae communities tend to utilize hard substrates as their striving environments. Only few species such as Caulerpa and Halimeda colonize and thrive in sandy environments. As an extension to the previous study this present study is perform to evaluate the macroalgae community structure and their species distribution in relation to their environments the rocky shores around Bintulu Sarawak. Five study sites were sampled monthly during January to August 2008 in the intertidal rocky shores around Bintulu Sarawak Malaysia. A total of 19 families and 35 species of intertidal macroalgae were determined comprising the three divisions Chlorophyta Phaeophyta and Rhodophyta. Of these Rhodophyta has the diverse representative of macroalgae with 18 species from 10 families Chlorophyta with 12 species from seven families and Phaeopyta with five species from two families. The Family Rhodomelaceae is represented with five species namely Acanthophora spicifera Bostrychia sp. Laurencia papillosa Laurencia sp. and Leveillea jungermannioides. Dictyotaceae With four species Ulvaceae and Corallinaceae with three species Caulerpaceae Cladophoraceae Udoteaceae Gelidiaceae Gracilariaceae with two species while the rest such as Anadyomenaceae Polyphysaceae Valoniaceae Sargassaceae Bangiaceae Ceramiaceae Champiaceae Garaxauraceae Hypneaceae and Rhodymeniaceae with one species respectively. The macroalgae community structure the coexistence of the species in relation to their environments is described in this paper.

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Item Type:	Proceedings Paper
Additional Information:	Available at Perpustakaan Sultan Abdul Samad Universiti Putra Malaysia 43400 UPM Serdang Selangor Malaysia. TP248.14 I61 2008 Call Number.
AGROVOC Term:	Seaweeds
AGROVOC Term:	Chlorophyta
AGROVOC Term:	Phaeophyta
AGROVOC Term:	Rhodophyta
AGROVOC Term:	Sampling
AGROVOC Term:	Intertidal environment
AGROVOC Term:	Shores
AGROVOC Term:	Species diversity
AGROVOC Term:	Rhodomelaceae
AGROVOC Term:	Acanthophora spicifera
Geographical Term:	MALAYSIA
Depositing User:	Ms. Suzila Mohamad Kasim
Last Modified:	24 Apr 2025 05:15
URI:	http://webagris.upm.edu.my/id/eprint/13131

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