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Assessment of the Health of Fish Species Collected in Agricultural Reservoirs, AsanHo and NamyangHo  

Kim, Byung-Seok (National Institute of Agricultural Science and Technology (NIAST), Rural Development Administration (RDA))
Park, Kyung-Hun (National Institute of Agricultural Science and Technology (NIAST), Rural Development Administration (RDA))
Park, Yoen-Ki (National Institute of Agricultural Science and Technology (NIAST), Rural Development Administration (RDA))
Joeng, Mi-Hye (National Institute of Agricultural Science and Technology (NIAST), Rural Development Administration (RDA))
You, Are-Sun (National Institute of Agricultural Science and Technology (NIAST), Rural Development Administration (RDA))
Yang, Yu-Jung (National Institute of Agricultural Science and Technology (NIAST), Rural Development Administration (RDA))
Choi, Ju-Byun (National Institute of Agricultural Science and Technology (NIAST), Rural Development Administration (RDA))
Kwon, Ok-Kyung (National Institute of Agricultural Science and Technology (NIAST), Rural Development Administration (RDA))
Ahn, Young-Joon (School of Agricultural Biotechnology, Seoul National University)
Publication Information
The Korean Journal of Pesticide Science / v.12, no.1, 2008 , pp. 57-66 More about this Journal
Abstract
The purpose of this study was to establish biomonitoring method for the assessment of the health of fish species in agricultural reservoirs polluted from various environmental contaminants. The ichthyofauna and fish community were investigated in the AsanHo and NamyangHo from September to November 2007. We measured abundance, size distribution, biomass, the number of fish with external and internal lesions, organosomatic index of the fishes collected in the AsanHo and NamyangHo. Dominant species were Lepomis macrochirus, Carassius auratus and the highest biomass were found in Cyprinus carpio, Carassius auratus in the AsanHo and NamyangHo, respectively. The composition of age in the population of Carassius auratus in the AsanHo and NamyangHo was stabled by size distribution analysis. The sex ratio of Carassius auratus were 1:0.36, 1:0.52 as female: male ratio in AsanHo and NamyangHo, respectively. The GSI of were 4.30, 1.69 of female and 1.45, 1.70 of male in AsanHo and NamyangHo, respectively. Most carp were 10-70 cm long in the AsanHo and 20-50 cm in the NamyangHo. The sex ratio of Cyprinus carpio were 1:0.42, 1:0.59 as female: male ratio in AsanHo and NamyangHo, respectively. The GSI of were 0.16, 3.46 of female and 0.93, 2.37 of male in AsanHo and NamyangHo, respectively. Of the 227 fish examined, 1.8% had some type of external lesion in AsanHo and 10% in NamyangHo. Overall, HAI scores ranged from 10-60 and HAI scores of AsanHo relatively lower than that of NamyangHo.
Keywords
ichthyofauna; organosomatic index; fish health assessment index; biomonitoring; agricultural reservoirs;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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