The interest in greenhouse gases (GHG) emitted from all industries is emerging as a very important issue worldwide. This is affecting not only the global warming, but also the environmentally friendly competitiveness of the industry. The fisheries sector is increasingly interested in greenhouse gas emissions also due to the Paris Climate Agreement in 2015. Korean industry and government are also making a number of effort to reduce greenhouse gas emissions so far, but the effort to reduce GHG in the fishery sector is insufficient compared to other fields. Especially, the investigation on the GHG emissions from Korean fisheries did not carry out extensively. The studies on GHG emissions from Korean fishery are most likely dealt with the GHG emissions by fishery classification so far. However, the forthcoming research related to GHG emissions from fisheries is needed to evaluate the GHG emission level by species to prepare the adoption of Environmental labels and declarations (ISO 14020). The purpose of this research is to investigate which degree of GHG emitted to produce the species (swimming crab and snow crab) from various fisheries. Here, we calculated the GHG emission to produce the species from the fisheries using the life cycle assessment (LCA) method. The system boundary and input parameters for each process level are defined for LCA analysis. The fuel use coefficients of the fisheries for the species are also calculated according to the fuel type. The GHG emissions from sea activities by the fisheries will be dealt with. Furthermore, the GHG emissions for producing the unit weight species and annual production are calculated by fishery classification. The results will be helpful to establish the carbon footprint of seafood in Korea.

In this study, internationally widely utilized bioeconomic models were used to make a comparison and analyze the effectiveness of red snow crab fisheries management measures. As a specific effect analysis, biological and economic effects of both total allowable catch (TAC) and effort reduction management measures were analyzed simultaneously. Model results showed that the red snow crab biomass would be decreased from 106,000 tons to 73,076 tons after ten years when the TAC is set to and maintained at the current level of 26,000 tons. The amount of biomass would be increased to 125,316 tons when the level of TAC is set to 22,000 tons. In cases of reduced fishing efforts, a 30% decrease from the current level would result in greater biomass and NPV would be also estimated at the highest level. In addition, a sensitivity analysis by market price was conducted to analyze the minimum TAC level of the red snow crab offshore pot fishery. Results showed that the minimum TAC level would be 8,210 tons when the market price increased by 30% and it would be also 15,247 tons when the market price decreased by 30%. Furthermore, results of the sensitivity analysis by fishing cost showed that the minimum TAC level was analyzed to be 13,857 tons when the fishing cost increased by 30% from the current level.

This study is to evaluate economic effect of the creation project of snow crab, Chionoecetes opilio, spawning and habitat ground in Uljin and Youngdeok county. The main results of this study are summarized as follows: first, 14,400 million won was invested in the creation project cost of Chionoecetes opilio spawning and habitat ground of Uljin and Youngdeok County from 2015 to 2020. Second, the creation project of Chionoecetes opilio spawning and habitat ground directly provides fishing benefits, festival benefits, research and development benefits and employment benefits. Third, on the basis of above benefits, the creation project of Chionoecetes opilio spawning and habitat ground has net present value of 29,900.53 million won, internal rate of return 16.9%, and benefit-cost of 2.91 under a 4.5% social discount rate. Also, the creation project creates 195 jobs. This indicates that the creation project of Chionoecetes opilio spawning and habitat ground not only contributes to the increase in the income of coastal fishery and fishing villages but also to the job making. The result of this study provides useful information to policy makers or project managers as it shows that the project to create spawning and habitat ground should be carried out in consideration of the resource and biological characteristics of individual fish and that economic assessment logic should also be developed based on this. Also, it proves that the project to create a snow crab spawning and habitat ground is a national and local infrastructure project that increases the actual fishing income in the region. At the same time, it maintains the reproducibility function of most fish species, along with enhancing the people's benefits such as fishing village tourism and marine product consumption. Moreover, it provides useful information on budgeting for the continuous development of snow crab spawning and habitat ground in the mid to long-term.

This study is aimed to prepare the promotion strategy to spawn snow crab resources and create their habitats using SWOT-AHP analysis. Currently, the creation program of spawning and habitat ground (CPSH) of various fisheries resource is a continuing process, however, none of these CPSH can be labeled as being effective in Korea. In order for CPSH to be effective, it must be planned systematically. Therefore, it is necessary for establishing promotion strategy on the CPSH. SWOT-AHP analysis is used to improve explanation ability of SWOT analysis. In this research, we suggested three strategies and 15 implementation plans of the CPSH using SWOT-AHP analysis. It is expected that the economic feasibility, ecosystem and recovery of fisheries resources will improve significantly. Consequently, to increase the performance of CPSH, it is necessary to focus on the developing an efficient and executive promotion strategy on the CPSH.

This study focuses on red snow crabs for fisheries cooperation in South Korea, North Korea, and Japan. South Korea, North Korea, and Japan have had experience in promoting red snow crab fisheries cooperation. However, this cooperation is now discontinued. South Korea, North Korea, and Japan are required to play a role in mediating South Korea in order to promote red snow crabs fisheries cooperation. South Korea has the capacity to carry out economic intervention in North Korea and Japan. This is even more so in the red snow crabs. On the other, South Korea, North Korea and Japan's red snow crabs fisheries cooperation can develop into Northeast Asian fisheries cooperation including Russia and China. This can be done through the major fisheries of the East Sea, the squid and the alaska pollocks. The role of the Korean peninsula is important in Northeast Asian fisheries cooperation.

이 글은 지방자치제의 시행으로 변화한 한국 사회의 여러 지형 가운데 특산품의 사회적 생산 과정에 관심을 두고 있다. 지방자치제 이후 대부분의 지역에서는 인물, 역사적 사건, 민속, 경관, 특산품 등을 지역 상징화하며 홀로서기를 시도했다. 이 과정에서 지역간의 이해관계가 발생할 때에는 지역과 친연성을 강조하기 위한 다양한 담론들을 생산했다.이 글에서 관심을 갖는 ‘원조대게’ 논쟁의 경우 영덕과 울진에서 지역의 특산품인 대게를 상징화하는 과정에서 불거졌다. ‘원조대게’ 논쟁에서 유리한 고지를 점하기 위해 두 지역에서 펼친 전략은 크게 ‘역사만들기’, ‘마을만들기’, ‘축제만들기’로 요약된다. 먼저 역사만들기 과정에서는 문헌, 민속, 구술, 생활사 등을 발굴하거나 재해석하며 대게의 역사성과 정통성을 드러내려 했다. 다음으로 마을만들기 과정에서는 역사만들기를 통해 생산한 성과들을 바탕으로 ‘대게의 고향’을 만들면서 신화적 공간을 구축했다. 이어서 축제만들기의 과정에서는 각종 담론들을 담아내고 새로운 전략을 선보이는 장으로 활용했다. 이처럼 두 지역에서 대게를 품안으로 끌어들이기 위해 펼친 행보를 통해 특산품이 사회적 생산과 의미화 과정을 살필 수 있을 것이다.

Currently, environment-friendly and sustainable fisheries are one of the major issues among fisheries authorities. A variety of alternative management policies and projects are going on to enhance fisheries management systems and fishery resources such as a TAC management program and a VDS (Vessel Day Scheme) management scheme for distant water fishing nations in Western and Central Pacific Fisheries Commission (WCPFC) convention area. These kinds of efforts among fisheries management authorities are aimed at limiting fishing capacity or fishing power. In terms of fisheries management, Fishing capacity and fishing power have increased the importance of the impact on a fishery and level of the resources. Increased fishing capacity and fishing power have caused not only depletion of fisheries resource, but also additional fishing cost. therefore, there is a clear need for authorities to manage fishing capacity and fishing power. It is also help ensure the conservation and sustainability of the fishery resources. Because of lack of data, absolute fishing power is difficulty to measure. The notion of relative fishing power is frequently used. In this study, relative fishing power was assessed using Mastuda (1991) method for fishing power index. The raw data for assessment was based on fishermen's logbook data from sampled fishing vessels in coastal snow crab gillnet fishery. Data Envelopment Analysis (DEA) method was used to assess fishing capacity. DEA is a linear programming methodology to measure the efficiency of a set of entities called Decision-Making Units (DMUs). It was recommended by FAO for assessing capacity in fisheries.

The main purpose of this research is to analyze economic feasibility of biodegradable sonw crab gill net model project. The results of benefit/cost analysis show that use of the biodegradable gear is economically feasible. Assuming that the rate of gill net lost is 5 percent, net present value was estimated 311,898,282-590,533,375won, benefit-cost ratio 1.816-1.923 and internal rate of return 7.96-10.59%. The development and diffusion of biodegradable fishing gear appear to make a significant contribution to fisheries resource conservation and marine ecosystem protection. In addition, biodegradable gear production firms may have a good opportunity of exporting it to other coastal states, depending on the progress of WTO subsidy negotiation.

This study shows that the distribution density of snow crab, Chionoecetes opilio, was estimated using an underwater video monitoring system attached on the towing sledge. The field experiments were carried out at the coastal waters around Chuksan, East Sea, where ranged from 110 to 130m depth during September and October 2007. The sledge was towed for 40 minutes and the towing speed was controlled between 1.5 to 1.7 knot and each research areas were calculated to multiply towed distance by the detection width of the video monitoring system(1.2m), and then, distribution density of snow crab in each observations were estimated as a counted number of crab per 1,000m2. The result shows that their survey, taken between two months, reflected similar results during survey period, and the maximum and mean distribution densities in September estimated to be 77.0(number/1,000m2) and 19.9, respectively, and those of October were 36.0 and 21.8, respectively.

A series of fishing experiments was carried out in the eastern coastal waters of Korea from January, 2002 to March, 2003, using gill nets of different mesh sizes (m 180, 210, 240, 270 and 300 mm) to determine the size selectivity of gill net for female snow crab, Chionoecetes opilio. The catch of experimental gears was mostly snow crab (97%), Chionoecetes opilio. The maximum carapace length (RL) of each female snow crab caught in the fishing experiments was measured. The master selection curve was estimated by applying the extended Kitahara s method. The selection curve showed that the gill nets of larger mesh size allowed more female crabs of small carapace size to escape. The optimum values of RL/m for 1.0 of retention probability was 0.563 and RL/m was estimated to be 0.249, 0.290, 0.319, 0.344 and 0.367 when the retention probability were 0.1, 0.2, 0.3, 0.4 and 0.5, respectively.

In order to develop the biodegradable monofilament gill net for the protection of marine ecosystem and reduction of ghost fishing, enpol monofilament gill net was made for Chionoecetes opilio using polybutylene succinate as a biodegradable chip. Catching efficiency on 2 type monofilament gill net, PA and Enpol, were carried out using 2 commercial fishing boats around the fishing ground of Wang-dol rock from January 2004 to May 2006. Enpol monofilament gill net spun polybutylene succinate as a biodegradable chip was appeared high practicality for Chionoecetes opilio gill net. Target fishing ratio were 98% and 98.3% for the PA and enpol monfilament gill net, respectively. In addition, CPUE ratio of female and male(CL < 90mm) to Chionoecetes opilio caught in the enpol gill net were 25.3-40.3%, 14.0-22.1% less than PA gill net, respectively. However, CPUE ratio of male(CL > 90mm) to Chionoecetes opilio caught in the enpol gill net were 2.5-11.3% more than PA gill net. There was no difference in CPUE of female and male to Chionoecetes opilio caught using 2 gill nets as a result of the significance level of 5% by T-test.

본 연구에서는 자망에 대한 대게 수컷의 망목선택성을 구명하기 위하여 5종류의 망목 (m = 180, 210, 240, 270, 300㎜)으로 구성된 자망을 제작하고, 2002년 1월부터 2003년 3월까지 경북 죽변항 주변 수역에서 총 12회의 시험조업을 행하였다. 망목선택성 곡선의 계산에 사용될 데이터 확보를 위하여 어획된 대게 수컷의 전수에 대한 최대갑장 RL을 디지털 켈리퍼스를 사용하여 0.1㎜ 단위로 측정하였다. 망목선택성 곡선의 추정에는 Kitahara의 방법을 사용하였다. 대수 망목선택성 곡선의 함수로써 좌우대칭형인 2차식과 좌우비대칭형인 3 차식을 적용하였으며, 최소지승법을 사용하여 각 모델의 파라미터를 추정하였다. 본 연구에서 얻어진 결과를 요약하면 다음과 같다. 1. 자망에 대한 대게 수컷의 망목선택성 곡선은 Model 의 적합도 비교를 통하여 좌우비대칭형인 3 차식이 선택되었다. 2. 망목선택성의 결과는 망목이 커질수록 소형 수게의 혼획이 감소한다는 것을 나타낸다. 3. 망목선택성 곡선은 이하의 수식으로 표현된다. S(R) = S(RL/m) ＝ exp ((44.06 R³- 84.16 R²+ 52.30 R-5.46) - 5.17) 4. 선택률 1을 나타내는 최적 RL/m의 값은 0.549이며, 선택률 0.5, 0.25, 0.2를 나타내는 RL/m은 각각 0.356, 0.296, 0.281로 추정되었다.