Fish biological effect monitoring of chemical stressors using a generalized linear model in South Sea, Korea
2014
Jung, Jee-Hyun | Choi, Seung Bae | Hong, Sang Hee | Chae, Young Sun | Kim, Hana | Yim, Un Hyuk | Ha, Sung Yong | Han, Gi Myung | Kim, Dae Jung | Shim, Won Joon
To evaluate the health status at six different study areas, we used the generalized linear model approach with selected biochemical markers in resident fish from uncontaminated and contaminated sites. We also confirmed the independence between the biochemical indices and the morphometric indices including the hepato-somatic index (HSI), gonado-somatic index (GSI), and condition factor (CF) in fish from the sampling areas. The effect of area on the presence of biotransformation markers (ethoxyresorufin-O-deethylase activity; EROD) was significantly high in Masan Bay. The area with the greatest effect on acetylcholinesterase (AChE) activity was Jindong Bay, while there was no significant effect of GSI, HSI, CF, and sex in the EROD model and HSI, CF and sex in the AChE model. These results clarify that fish from Masan, Gwangyang and Jindong Bay were affected by pollutant stress, and the analysis of sensitive biochemical responses allowed for an improved interpretation of the results.
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