Diversity and Distribution of Benthic Invertebratesin the West Port, MalaysiaAbstract—The purpose of this paper is to describe the maincharacteristics of macroinvertebrate species in response toenvironmental forcing factors. Overall, 23 species of Mollusca, 4species of Arthropods, 3 species of Echinodermata and 3 species ofAnnelida were identified at the 9 sampling stations during foursampling periods. Individual species of Mollusca constituted 36.4%of the total abundance, followed by Arthropods (27.01%), Annelida(34.3%) and Echinodermata (2.4%). The results of Kruskal-Wallistest indicated that a significant difference (p <0.05) in the abundance,richness and diversity of the macro-benthic community in differentstations. The correlation analysis revealed that anthropogenicpollution and natural variability caused by these variations in spatialscales.
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