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http://dx.doi.org/10.5657/KFAS.2020.0954

On-site Investigation and Verification of Effect of the Sea Urchin Removal Devices  

Kim, Dae-Jin (Training Ship Administrative Center, Chonnam National University)
Lee, Jungkwan (Division of Fisheries Science, Chonnam National University)
Kim, Seonghun (Fisheries Resources and Environment Research Division, East Sea Fisheries Research Institute, National Institute of Fisheries Science)
Oh, Wooseok (Division of Fisheries Science, Chonnam National University)
Oh, Taegeon (Department of Projects Management, Korea Fisheries Resources Agency,)
Lee, Donggil (Fisheries Engineering Research Division, National Institute of Fisheries Science)
Lee, Kyounghoon (Division of Fisheries Science, Chonnam National University)
Publication Information
Korean Journal of Fisheries and Aquatic Sciences / v.53, no.6, 2020 , pp. 954-959 More about this Journal
Abstract
This study aimed to verify the effectiveness of rescue apparatus, that can capture crabs using external stimuli such as food and electricity, without relying on divers. In this study, a microcomputer-based controller and an IC-device-based controller were developed, and spot inspection was conducted using 20 modules and 30 sea urchin removal modules. Accordingly, 58, 18, 17, and 74 sea urchins were introduced in the first, second, third and fourth experiments, respectively. The result of evaluating the lure of each removal mechanism, based on the catch per unit effort, with an electrical stimulus was 1.1 (32/10), with a feeding stimulus was 3.4 (100/29), and with electrical and feeding stimuli was 3.5 (35/10).
Keywords
Sea urchin; Microcomputer based controller; IC device based controller; Removal device;
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Times Cited By KSCI : 1  (Citation Analysis)
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