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전기장 자극을 활용한 성게제거장치의 해상성능 평가

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

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초록

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).

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).

참고문헌 (11)

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  5. Lauzon-Guay JS, "Seasonal variation in movement, aggregation and destructive grazing of the green sea urchin Strongylocentrotus droebachiensis in relation to wave action and sea temperature", Mar Bio, 15, pp.2109~2118 (2007)
  6. Lee JJ, "Reproductive ecology and genetic variations in the sea urchins anthocidaris crassispina and hemicentrotus pulcherrimus in the Cheju coast", J Aquacult, 13, pp.129~135 (2000)
  7. S.D. Ling, "Recovery of canopy-forming macroalgae following removal of the enigmatic grazing sea urchin Heliocidaris erythrogramma", Journal of Experimental Marine Biology and Ecology, 395(1-2), pp.135~146 (2010), Elsevier BV[DOI]
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  9. "Marine search detail" (2016)[URL]
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