• Korean Journal of Fisheries and Aquatic Sciences
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• v.56 no.6
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• pp.909-915
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• 2023

A specimen of longarm mullet Moolgarda cunnesius (Valenciennes, 1836) belonging to the family Mugilidae was collected from Yerae-dong, Seogwipo-si, Jeju-do Island, Korea, on July 19, 2023, using a hand net. The specimen was identified as Moolgarda cunnesius based on its morphological traits, including pectoral fin reaching the third or fourth spine of the first dorsal fin, anal fin higher than the first and second dorsal fin, two dorsal and caudal fin membranes with small melanophores, and a slightly convex interorbital region. Furthermore, molecular analysis, specifically comparison of the 623 base pairs of mitochondrial DNA COI sequences, confirmed that our specimen perfectly matched M. cunnesius. It is well known that the species is widely distributed in the Indo-West Pacific Ocean, including the Red Sea, Taiwan, and northern Australia, and this study shows that it also inhabits the Jeju-do Island, Korea. Additionally, we propose a new Korean name 'gin-pal-sung-eo' for this species.

• Journal of Navigation and Port Research
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• v.38 no.6
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• pp.663-672
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• 2014

In Korea and the Philippines, as well as all over the world, with the recognition of the importance of marine ecological resources, the marine protected areas(MPA) have been established and managed to protect and preserve these resources. While the number of marine protected areas for marine ecological resources protection has been increased, there is main problem that the most of MPAs do not achieve their intended management objectives. the effective management. Because of the positive and negative impacts on local communities and fishermen as direct stockholders, there has been ongoing debate on the pros and cons of implementing MPAs. Accordingly, this research conducted a case study of establishing Marine Protected Areas in Guimaras, Philippines because Philippines fisheries code of 1998 (Republic Act 8550), which is enacted to manage, conserve and protect fishery resources, obliged local governments to designate no less than 15% of jurisdictional municipal water as fisheries resource protection areas for a long time. To do this, a dichotomous-choice contingent-valuation survey was conducted in the two municipalities of Guimaras, Philippines to investigate public opinion in debates over MPAs and to estimate willingness to pay (WTP) for MPAs to protect and conserve marine habitats for fishery resources. Because of the expected economic costs by prohibiting fishing activities within the establishing newMPA, 58.7% of respondents thought the costs should be compensated, but 91.4% respondents voted in favor of increasing MPAs for fisheries resources as a protective measure. Finally, with Contingent Valuation Method(CVM), the aggregate mean WTP (375.5ha) of San Lorenzo and Sibunag residents in Guimaras Province, Philippines for establishing the additional MPA in their municipality waters was estimated to $1,046,791. Therefore, these findings could be used as a valuable data for establishing effective management plan of MPAs in Korea.

• Korean Journal of Fisheries and Aquatic Sciences
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• v.34 no.4
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• pp.355-358
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• 2001

This paper presents case studies on the multi-species fisheries in Korean waters. Multi-species fisheries were divided into two types, that is, multi-species by a single fishery and single species by multiple fisheries. For the case of the multi-species by a single fishery, a multi-species yield-per-recruit model was applied to the Korean pair trawl fishery, which exploits demersal fishes such as, hairtail (Trichiurus lepturus), small yellow croaker (Pseudosciaena polyactis), white croaker (Argyrosomus argentatus) and pomfret (Pampus echinogaster). The overall fishing mortality ($F_x$) values for the multi-species was estimated and compared to the spawning potential ratio ($F_{x\%}$) val ues estimated from the spawning biomass-per-recruit model.

• Korean Journal of Fisheries and Aquatic Sciences
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• v.54 no.2
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• pp.162-169
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• 2021

Global warming has affected the distribution of organisms for decades and has displayed rapid ascent recently. Research into the effects on tropical organisms are vital. Padina boryana is a resourceful marine microalgae in the Maldives Sea in the Laccadive region. A 70% ethanol extraction (PBE) of this seaweed was used to investigate its antioxidant potential. Both in vitro and in vivo models were implemented. PBE exhibited protective potential against H₂O₂ induced apoptosis. ROS levels were suppressed due to PBE. PBE expressed a cytoprotective nature. In vivo experiments involving the zebra fish model conformed its validity. The antioxidant efficacy of PBE was dose dependent. Study outcomes suggest PBE has potential as a novel and valuable marine resource to aid the functional food and cosmeceutical industries.

• Korean Journal of Fisheries and Aquatic Sciences
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• v.55 no.5
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• pp.714-720
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• 2022

A dietary comparison of yellow goosefish Lophius litulon in the South Sea and Yellow Sea was performed by analyzing stomach contents. Using a bottom trawl net from fisheries resources survey vessels of the National Institute of Fisheries Science, 326 individuals were collected from the South Sea and 166 individuals were collected from the Yellow Sea. The total length range of L. litulon was 5.3-68.4 cm for individuals collected from the South Sea and 7.5-55.1 cm for individuals collected from the Yellow Sea. Based on the index of relative importance and the variation in stomach contents by fish size, L. litulon was found to be a piscevore and a spatiotemporally opportunistic feeder fish that fed mainly on pisces. There were differences in the composition of the stomach contents by season, location, and the interaction between the season and the location. Thus, the diet of L. litulon is affected by the prey abundance and prey spectrum of the habitat.

• Proceedings of the Korean Society of Fisheries Technology Conference
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• 2000.10a
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• pp.56-57
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• 2000

1994년 UN해양법의 발효와 해양인접국들의 배타적경제수역 선포에 따라 어장상실, 조업수역의 축소등으로 인하여 어업생산활동은 축소되고 어업생산량도 감소하는 추세에 있다. 이에 따라 각 국가에서는 자원관리형 어업으로 전환하고 있으며, 자원관리형 어업을 하기 위한 방법으로 어업생물자원의 보호와 함께 지속적인 최대생산량을 얻기 위해서는 어종별로 그 해역에 존재하는 자원의 생체량 추정 및 그 변동에 대하여 파악하는 방법의 개발이 선행되어야 한다. (중략)

• Proceedings of the Korean Society of Fisheries Technology Conference
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• 2000.10a
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• pp.279-280
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• 2000

고등어는 우리나라 전 해역에 광범위하게 분포하는 회유성 어종으로 주로 대형선망어업에 의해 연중 어획되며, 최근 연근해 전체 어획량의 10∼25％를 차지하는 산업적으로 중요한 어종이다. 또한 고등어는 전갱이, 정어리, 삼치, 붉은대게 와 함께 TAC 대상어종으로서 이러한 제도의 지속적인 실시를 위한 TAC산정 대상어종의 자원특성 파악이 선행되어져야 한다. 정확한 TAC추정을 위해서는 어업자원의 생물학적 특성 구명과 자원변동에 영향을 줄 수 있는 해양학적 특성도 함께 고려되어져야 한다. (중략)

• Proceedings of the Korean Society of Fisheries Technology Conference
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• 2000.05a
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• pp.45-46
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• 2000

음향학적 방법은 컴퓨터 기술의 발달과 더불어 급속으로 발전하여, 짧은 시간에 넓은 해역을 대상으로 거의 실시간으로 해양생물 분포상태를 파악하고, 또한 수심층을 대상으로 다양한 자료를 수집할 수 있다. 황해의 어족자원을 효과적으로 관리하기 위해서는 어족자원의 분포에 대한 정확한 정보가 필요한 실정이다. 이를 위하여 황해광역생태계(Large Marine Ecosystem, LME) 연구의 하나로 어족 자원 조사가 수행되었으며, 본 연구는 두 번째 결과이다. (중략)

• Proceedings of the Korean Society of Fisheries Technology Conference
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• 2000.05a
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• pp.346-347
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• 2000

황해에서의 어업생산은 우리나라 일반해면어업 생산량의 약 12%에 지나지 않으나, 우리나라 어선어업의 약 80%를 차지하는 황해-동중국해 어업자원 대부분이 계절에 따라 황해와 동중국해를 이동하는 회유성 자원임을 볼 때 황해는 동중국해 어업자원의 근간을 이루는 해역이라 할 수 있다(과학기술부, 1998). 그러나 육상오염원의 증가, 간척지 개발, 남획등 여러 가지 요인에 의해 어획량의 감소 및 다양한 어종의 서식장 및 산란장으로서의 기능도 위협받고 있는 실정이다. (중략)

• Proceedings of the Korean Society of Fisheries Technology Conference
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• 2001.10a
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• pp.63-64
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• 2001

동중국해는 한국, 중국, 일본이 인접하여 경쟁적으로 조업을 하는 곳으로 이들 국가들에 의한 어족자원의 남획은 어족자원의 감소로 이어졌고 현재에는 어업의 생산성이 현저하게 저하되어 있는 실정이다. 이러한 상황 속에서 한ㆍ중ㆍ일간에는 어업 협정이 체결되었으며 이 협정에 근거하여 동중국해 연안국들에 있어서는 어족 생물 자원에 대한 효과적인 보존과 관리가 공동의 관심사로 떠오르게 되었다. (중략)