An analysis on catch of the shrimp beam trawl fishery in Korea coastal sea

Jang, Choong–Sik; Cho, Youn-Hyoung; Lim, Chae-Rok; Kim, Bo-Yeon; An, Young-Su

doi:10.3796/ksft.2008.45.1.001

Cited by 11 publications

(6 citation statements)

References 4 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…-348-Yonghae KIM, Dae-Sung WHANG The main catches of our fishing trials were lower than the average for the year of the trials (Jang et al, 2009;Cho et al, 2013), while the bycatch including garbage were unable to compare due to lack of previous data. The selectivity of juvenile fish was not affected by the size frequency, possibly due to too small a mesh size in the cod end of the shrimp trawl, although an obvious effect was observed on the reduction in weight of juvenile fish and garbage.…”

Section: Resultsmentioning

confidence: 93%

Effects on bycatch reduction in a shaking cod end generated by canvas in a shrimp beam trawl

Kim¹,

Whang²

2014

Journal of the Korean society of Fisheries Technology

View full text Add to dashboard Cite

An active stimulating device, such as a fluttering net or canvas attached to the end of a cod end generating a shaking motion, could help to encourage the escape of juvenile fish positioned passively near the net. Field fishing trials using a shrimp beam trawl were carried out to examine the effect on the reduction of juvenile fish or other discard catch by generating a shaking movement of the cod end using an unbiased cap-like round canvas. The mean period of the shaking motion with the round canvas was -14 s, and the mean amplitude was 0.4 m as measured by peak event analysis and the global wavelet method. The bycatch of juvenile fish in 14 trials decreased by -30% and by -25% using a steady cod end for the total bycatch using a shaking cod end in the shrimp beam trawl, while the marketing catch was similar between steady and shaking cod ends. There was no difference in the body size of the shrimp or fish and species composition between the steady and shaking cod ends. Above results demonstrate a new method for bycatch reduction using an active stimulating device, although more detailed studies are needed.

show abstract

Section: Resultsmentioning

confidence: 93%

Effects on bycatch reduction in a shaking cod end generated by canvas in a shrimp beam trawl

Kim¹,

Whang²

2014

Journal of the Korean society of Fisheries Technology

View full text Add to dashboard Cite

show abstract

“…We estimate the number of shrimp killed in the worldʹs shrimp fisheries below. However, precision is hindered by bycatch, highgrading, and unreported catch (Jang et al 2009;Jacquet et al 2010;Cho 2012;Pedrozo 2022;Pillai et al 2022;Temming et al 2022;James et al 2023). Understanding how these challenges affect the number of shrimp killed in fisheries would help refine the priority countries and priority industries for improving shrimp welfare in fisheries.…”

Section: Regulatory Capacity Supply Chains and Additional Researchmentioning

confidence: 99%

“…Much of the academic and policy discussion around shrimp fisheries focus on the issue of bycatch. The rates of bycatch in shrimp trawling can be very high, with estimates exceeding 80% or even 90% by weight in some contexts (Jang et al 2009;Pillai et al 2022;James et al 2023). Animals caught as bycatch can include marine invertebrates, finfish, turtles, marine mammals, and seabirds (Wickliffe and Jodice 2010; Brito 2012).…”

Section: Introductionmentioning

confidence: 99%

Towards Shrimp and Prawn Welfare in the Wild‐ Caught Fishing Industry: A Global Review and Recommendations for Research and Policy

Ryba,

Connell,

Davis

et al. 2023

Preprint

View full text Add to dashboard Cite

Wild-caught shrimp and prawns are the single most numerous group of animals directly killed for human food consumption on the planet. Recent scientific developments have led to greater understanding of the probability that at least some species of shrimp are sentient beings and, should that be the case, policies that could improve shrimp welfare. We begin with an overview of global shrimp fisheries and their characteristics. The world's shrimp fisheries can be understood as a spectrum between large, industrial trawlers in developed and developing countries (e.g. Western Europe, the Americas, Russia) and small-scale fisheries for subsistence in developing countries (e.g. South-East Asia, East Africa). Each has different implications for animal welfare, particularly in light of human wellbeing challenges associated with shrimp fisheries. Secondly, we turn to the emerging science of shrimp welfare and examine recent developments in government and industry policy. In large-scale trawl fisheries, animal welfare can be improved by installing electrical stunning equipment; continuing existing work on bycatch reduction; and optimising on-board processes to reduce the stress endured by shrimp during capture and slaughter. In small-scale fisheries, improving government capacity and supply chain practices may bring benefits for communities in the short-term while opening up opportunities for more specific shrimp welfare policies in the long-term. Thirdly, we provide a new dataset of the estimated numbers of individual shrimp caught by country and species. Drawing on this data, we provide a description of the shrimp fishing industry in the world's top 25 countries by estimated catch of individual shrimp. By our estimates, the wild-catch shrimp industry catches 37.4 trillion individual shrimp (36.3 trillion sergestids, 781 billion carideans, and 287 billion penaeids). Finally, we explore the ethical implications of the probability that shrimp and prawns are capable of feeling pain and the welfare policies that could be adopted.

show abstract

“…새우조망 어업과 관련된 기존의 연구들을 살 펴보면, 국내에서는 거문도 주변 해역에서새우 조망에 어획된 새우류의 종조성과 계절변동에 관한 연구 (Oh et al, 2003), 새우조망의 망목선택 성에 관한 연구 (Oh et al, 2004), 서해 연안 해역 새우조망 조업의 어획량 분석에 관한 연구 (Jang et al, 2009), 거제 연안의 새우조망 조업구역과 비 조업구역에서의 인위적인 영향에 관한 선행 연구 및 해저퇴적물 분석에 관한 연구 (Cha et al, 2009;Cho et al, 2012), 새우조망에서 어획된 자 원의 계절적 변동에 관한 연구 (Oh, 2010;Song et al, 2012) 등이 있으며, 국외에서는 북해에서 조업하는 새우트롤의 선택성에 관한 연구 (Polet, 2000), 영국 동해 연안에서 그리드 분리장 치를 사용한 자주 새우류 혼획 저감에 관한 연구 (Graham, 2003), 포르투갈 타구스만 새우트롤에 서 투기된 자주 새우류의 사망에 관한 연구 (Gamito and Cabral, 2003), 나이지리아 연안지역 의 새우조망에서 어획된 혼획종의 평가 (Ambrose et al, 2005)…”

unclassified

Catches characteristics between fishing area and non-fishing area in the shrimp beam trawl of Geoje waters, Korea

Cho¹,

Kim²,

Park³

et al. 2013

Journal of the Korean society of Fisheries Technology

View full text Add to dashboard Cite

Experimental fishing was carried out to compare and analyze catch characteristics of shrimp beam trawl in a fishing area and a non-fishing area during the period of fishing season and off-fishing season in the coastal waters of Geoje. A commercial fishing boat (4.99 tons) was used for the test fishing. The amount of total catches were 14,654g in the fishing area and 12,359g in the non-fishing area, shrimp catches of non-fishing area were much greater than that of the fishing area during the period of off-fishing season (June and August). However, total catches were 27,670g in the fishing area and 33,004g in the non-fishing area, shrimp catches of fishing area were bigger than that of non-fishing area during the period of fishing season (October and December). On the results of the study, catches characteristics between fishing area and nonfishing area showed the reversed results for the period of fishing season and off-fishing season.

show abstract

An analysis on catch of the shrimp beam trawl fishery in Korea coastal sea

Abstract: 13.6%, 5.5%, 2.7% respectively, and their total length range were 60-150mm, 80-410mm, 80-600mm, 30-80mm and 150-460mm

Cited by 11 publications

References 4 publications

Effects on bycatch reduction in a shaking cod end generated by canvas in a shrimp beam trawl

Effects on bycatch reduction in a shaking cod end generated by canvas in a shrimp beam trawl

Towards Shrimp and Prawn Welfare in the Wild‐ Caught Fishing Industry: A Global Review and Recommendations for Research and Policy

Catches characteristics between fishing area and non-fishing area in the shrimp beam trawl of Geoje waters, Korea

Contact Info

Product

Resources

About