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Journal of Multidisciplinary Studies

Discipline: Multidisciplinary Studies

The Journal of Multidisciplinary Studies (JMDS) is a peer-reviewed multidisciplinary journal which aims to publish biannually finest research articles in social sciences, natural sciences, engineering and technology and other subject areas. Submitted papers should describe original and previously unpublished works, not currently under review by another

JMDS provides a platform for dissemination of research findings, new research areas and techniques, conceptual developments and articles with practical applications and contribution to society.

Macroinvertebrates as Indicators of Water Quality in Three Estuary Sites in Iligan City, Philippines
Jelanie L. Superada and Annielyn D. Tampus

Macroinvertebrate assemblages were used as indicators to assess the water quality of the three estuary sites in Iligan City. A total of six orders of macroinvertebrates (Decapoda, Diptera, Odonata, Archaeognatha, Gastropoda, and Oligochaeta) were recorded during the four sampling periods. Arthropoda was the most diverse group, and it was present in the three estuaries due to its high tolerance to organic pollution. The overall diversity indices in the three estuaries obtained low values implying that the areas were composed only of a small variety of macroinvertebrate assemblage. Tambacan area has the highest value of Field Biotic Index, which was influenced by anthropogenic disturbances. The highest rating of water quality was in Timoga, and the lowest value was obtained in Tambacan. Associating dissolved oxygen with the macroinvertebrates in Timoga site signified that the macroinvertebrates in the area were sensitive since they were abundant in highly oxygenated streams. The estuaries in Iligan City showed a poor abundance of macroinvertebrates due to the low water quality that could be caused by the disturbances arising from human activities.

KEYWORDS: diversity, oxygen, pollution, streams, tolerance
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