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http://dx.doi.org/10.11614/KSL.2021.54.1.001

Characteristics of Fish Communities in Namyang Lake and its Tributaries in the Estuary of Han River Watershed, South Korea  

Kwak, Yeong-Ho (Inland Fisheries Research Institute, National Institute of Fisheries Science)
Kim, Seung-Young (Inland Fisheries Research Institute, National Institute of Fisheries Science)
Song, Ha-Yun (Inland Fisheries Research Institute, National Institute of Fisheries Science)
Jeon, Hyoung-Joo (Inland Fisheries Research Institute, National Institute of Fisheries Science)
Song, Mi-Young (Inland Fisheries Research Institute, National Institute of Fisheries Science)
Publication Information
Korean Journal of Ecology and Environment / v.54, no.1, 2021 , pp. 1-11 More about this Journal
Abstract
Fish community characteristics was investigated in Namyang Lake and tributaries in Han River basin, Korea from April to October 2015. During the period, there were 5,672 individuals of 20 species appeared from tributaries (St. 1~St. 6) and dominant species were Pseudorasbora parva (33.5%). Also 5,672 individuals of 20 species appeared in Namyang Lake (St. 7~St. 9) and dominant species were Carassius auratus (32.2%). There were 5 species of endemic species with Rhodeus uyekii, Acanthorhodeus gracilis, Squalidus japonicus coreanus, Abbottina springeri and Odontobutis interrupta from Namyang Lake watershed. The frequency of endemic species were higher tributaries (18.5%) than Namyang Lake (15%). Exotic species were 3 species with Carassius cuvieri, Lepomis macrochirus, and Micropterus salmoides. there were appeared more frequently Namyang Lake (15.0%) than tributaries(7.4%).
Keywords
Namyang Lake; tributaries; fish community; endemic species; exotic species;
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