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Fishing performance of environmentally friendly tubular pots made of biodegradable resin (PBS/PBAT) for catching the conger eel Conger myriaster

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Abstract

Lost or abandoned fishing gear made of synthetic fibers or plastics that do not decompose in the sea. These gear result in “ghost fishing”, that retain their function as fishing gear. To solve this problem, we developed fishing gear made of aliphatic polyester (PBS/PBAT), which is biodegraded by microorganisms after a certain period. The marine fishing performance of the biodegradable material of tubular pots for conger eel was compared with that of commercial pots in the southern coastal sea of Korea, where fishing gear loss rates are high. A comparative analysis of the elastic recovery of different types of funnel material was conducted. Two types of fishing gear were tested: (1) a pot with a body and funnel made of biodegradable materials and (2) a commercial pot made of recycled polyethylene (PE). Then, field experiments were conducted on the two pot types, which were arranged alternately. The funnel rips made of biodegradable material showed better elastic recovery than that of the commercial pot. Marine fishing performance of the biodegradable pots was similar to that of the commercial pots (Mann–Whitney test, p > 0.05). There was also no significant difference in the catch per unit effort (CPUE) by the Mann–Whitney test, p > 0.05. Thus, biodegradable materials represent an environmentally friendly alternative to recycled PE for fabricating tubular pots to catch conger eel.

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Acknowledgments

This study was funded by the National Fisheries Research and Development Institute (Grant No. RP-2014-FE-005).

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Authors and Affiliations

  1. Fisheries System Engineering Division, Fundamental Research Department, National Fisheries Research & Development Institute, Busan, 619-705, Korea

    Seonghun Kim, Seong-wook Park & Kyounghoon Lee

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  1. Seonghun Kim
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  2. Seong-wook Park
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  3. Kyounghoon Lee
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Correspondence to Seonghun Kim.

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Kim, S., Park, Sw. & Lee, K. Fishing performance of environmentally friendly tubular pots made of biodegradable resin (PBS/PBAT) for catching the conger eel Conger myriaster . Fish Sci 80, 887–895 (2014). https://doi.org/10.1007/s12562-014-0785-z

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  • DOI: https://doi.org/10.1007/s12562-014-0785-z

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