variations of harpacticoid copepod and size-fractionated abundances in
relation to environmental changes in Setiu Wetland
Kamaruzaman1, Z. Kassim2, S. Jasmani1 and N.F.
Aquaculture Tropical, Universiti Malaysia Terengganu, 21030 Kuala Nerus,
Station, Kulliyyah of Science, International Islamic University Malaysia,
26160, Kuantan, Pahang, Malaysia
Fisheries and Aquaculture Sciences, Universiti Malaysia Terengganu, 21030
Kuala Nerus, Terengganu, Malaysia
Author E-mail: email@example.com
Paper received : 19.07.2017
Revised received : 05.09.2017
Re-revised received :
Accepted : 28.12.2017
copepods, an important component of fauna in marine environment, play a vital
role in aquatic food webs as a source of food for other member of benthic
community and the juveniles of predator fish species. Recent data on benthic
plankton and nekton composition in coastal wetland of Setiu are useful and
important in understanding the interaction between these organisms at
different seasons. This maintains the diversity of fish in Setiu Wetland
which is a major factor in developing the Wetland as a place for ecotourism
and recreational fishing activity. The effort will directly or indirectly
benefit the fisheries community living within the wetland which depends on
the fisheries sector.
samples were collected by Ponar grab. The samples were fixed in 10% formalin
and 1% Rose Bengal. Content of each specimen bottle was filtered through 102
µm and 62 µm sieve shaker, respectively. Harpacticoid were individually hand
sorted and counted under dissecting microscope. Data obtained for
harpacticoid composition were analyzed using Kruskal-Wallis test.
variation of harpacticoid composition for 100 µm sizes recorded the highest
number during pre-monsoon with 3591.84 ind 10 cm-2 followed by
monsoon, 2569.68 ind 10 cm-2 and post-monsoon 1545.84 ind 10 cm-2,
respectively. Salinity is the main physical parameters that can be attributed
to the plankton diversity and acts as limiting factor that influences the
distribution of plankton community. Significantly, harpacticiod copepod
steadily increased during post-monsoon with rising trend of salinity verified
the environmental influences on zooplankton abundances.
Interpretation: The results of
this study indicated that different season demonstrated major impact on
harpacticoid composition which may effect the avaibility of food source
towards the small fishes as a live feed.
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