Meiofauna of a mangrove shore on the west coast of Peninsular Malaysia

Sasekumar, A. (1994) Meiofauna of a mangrove shore on the west coast of Peninsular Malaysia. Raffles Bulletin of Zoology, 42 (4). pp. 901-915. ISSN 0217-2445

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Abstract

The meiofauna (size range 53 to 1000 !-lm) of the mangrove shore sediments in Malaysia consist predominantly of free-living nematodes, harpacticoid copepods, oligochaetes and kinorhynchs, increasing in abundance with decreasing tidal height where water stress is minimal. The highest density of 1l09±27 individuals per 10 cm-2 occurred in the Avicennia station of the lower shore, while a density of 583±186 individuals per 10 cm-2 was obtained at the mid-tide level Rhizophora station, and the high shore Bruguiera station had the lowest density of 407±188 individuals per 10 cm-2• The meiofaunal biomass was 6.16 mg, 7.54 mg and 0.96 mg w.w. per 10 cm-2 in the Avicennia, Rhizophora and Bruguiera stations respectively. The reduction in meiofauna numbers and biomass on the high shore is attributed to habitat instability arising from intense salinity fluctuations, infrequent tidal cover and water stress. The fauna was unevenly constituted with the nematodes forming 80 to 93% of the meiofauna community, and the harpacticoids being the next abundant group. Most meiofauna live in the upper 2 cm layer of the sediment. It may be concluded that the greatest abundance of meiofauna occurred in the lower shoreAvicennia forest and the lowest abundance in the high shore Bruguiera forest.

Item Type: Article
Uncontrolled Keywords: Meiofauna; Mangrove; Shore; Peninsular Malaysia
Subjects: Q Science > Q Science (General)
Divisions: Faculty of Science > Institute of Biological Sciences
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 08 Jan 2015 06:17
Last Modified: 22 Oct 2019 06:08
URI: http://eprints.um.edu.my/id/eprint/11736

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