Abdul Samad, Nur Shakila
(2019)
The Diversity And Abundance Of Free-living
Marine Nematode In Northern
Peninsular Malaysia.
Masters thesis, Universiti Sains Malaysia.
Abstract
Limited studies were conducted in Malaysia especially in Peninsular Malaysia on
marine nematodes as little attention given to marine nematodes than plant and animal
parasitic nematode. But their small size, high abundance and rapid turnover rate is
useful tool in providing information on ecosystem functioning. Hence, the aim of this
study was to determine diversity and abundance of free-living marine nematode and
its feeding groups among locations in northern Peninsular Malaysia and to identify
whether any changes in nematode community are related to particular environmental
variables. The sample collections were carried out twice in each location during low
tide along the intertidal zone in five locations which are in Penang: Teluk Aling, Pasir
Pandak, Pulau Gazumbo; Langkawi Island: Tanjung Rhu and Perak: Kuala Sepetang
as these locations had different human activities and anthropogenic disturbances.
There were 21 environmental parameters studied in this study which were sediment
and pore water temperature, dissolved oxygen, salinity, pH, sediment composition,
chlorophyll a biomass, pore water nutrients (NCh", NOs', NH3, PCL3') and heavy metal
elements (Fe, Zn, Ni, Pb, Cr, Cd, Cu). A total of 52 genera belonged to 25 families were identified in this study.
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