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http://dx.doi.org/10.11614/KSL.2022.55.2.167

The Monitoring of Eel-ladder in Geumgang Estuary Bank, Yeongam Embankment and Asanman Embankment  

Jae Goo Kim (Alpha Research Ecology Institute)
Yun Jeong Cho (Alpha Research Ecology Institute)
Cheol Woo Park (Alpha Research Ecology Institute)
Jong Wook Kim (Alpha Research Ecology Institute)
Yu-Sin Shin (Alpha Research Ecology Institute)
Min-Young Im (Faculty of Marine Applied Biosciences, Kunsan National University)
Younghee Song (Rural Research Institute, Korea Rural Community Corporation)
Wonjang Kim (Rural Research Institute, Korea Rural Community Corporation)
Yoon Choi (Faculty of Marine Applied Biosciences, Kunsan National University)
Publication Information
Korean Journal of Ecology and Environment / v.55, no.2, 2022 , pp. 167-174 More about this Journal
Abstract
The Ministry of Oceans and Fisheries promoted the installation of eel-ladder for the purpose of creating inland water resources. Currently, eel-ladder have been installed and operated at the Geumgang Estuary Bank (2018), Yeongam Embankment (2019), and Asanman Embankment (2020). In this study, the number of glass eels in eel-ladder in 2021 was monitored and factors affecting the rise that from ocean to river of eels were investigated. Glass eels in eel-ladder were found when the salinity was relatively low, and they started when the freshwater and seawater temperatures were above 20℃. Comparing the number of occurrences by year, the largest number of glass eels was observed in 2021, but it is judged that this is not according to the distribution of glass eels in sea, but rather as a result of the investigator's eel-ladder repair and guidance on illegal fishing.
Keywords
eel-ladder; Anguilla japonica; glass eel; Korea;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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