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中部印度洋 참치延繩漁業의 漁獲率에 關하여 : 赤道附近을 中心으로
李吉來 군산대학교 1977 群山水産專門大學 硏究報告 Vol.11 No.1
I have researched the data of operated Tuna long liner fisery during two voyage in the middle part of Indian Ocean. The results are as fallows. 1.Average catches per one operation at the vicinity of the equator was 1.9 ton. Average surface water temperature of November and December in good catches was 27.8℃. Average hooking rate was 1.8% 2.The fishing ground that the operation frequency are comparative settled was-sector. C. (0˚-5˚ N, S,60˚-80˚E) Tlle fishing ground of high hooking rate was sector E(0˚-10˚S, 40˚-60˚E), sector G(10˚-15˚S, 80˚-100˚E) 3.The captured rate of Killer whale was average 20.6%. The most losing rate showed more than 35%.
眼鏡網漁業에 關한 硏究(Ⅱ) : 海況 및 潮令과 漁獲量에 對한 考察
李吉來 군산대학교 1968 群山水産專門大學 硏究報告 Vol.2 No.1
A fishing implement, An-kyuug net is a Small Set Net. The fishery making use of this is popularlezed off the west coast in Korea. The relations between catch quantity and some oceanic conditions such as specific gravity, transparency etc. or tidal age have been investigated because they are mutually related in the sea. So the following results are carefully traced to secure closer relation with them. 1. Large quantities are caught at the specific gravity, comparatively low, 5.1-10.0. when it is below 5.0 getting an effect of land(fresh) water there is a poor catch, for the fishes Penaeus olienalis, Penaus joyuer, etc. run deep. 2. At lower transparency the total catch is better than at higher one. 3. There has been a arger catch at the spring tide than at the neap in the relation of tidal age.
李吉來,鄭與基,裵錫悌 군산대학교 1977 群山水産專門大學 硏究報告 Vol.11 No.1
We have investigate following subjects relating to training the ocean -going liscensed officer connecting with improvement of liscense systm. 1)In the merchant marine course, The employment has been increased on acc-ount of national support, cooperation industry connected, increase of domestic vessel, overseas of employment, however, In a fishery course are anticipated producing large number of ocean going licensed offilcer by reason of the depr-essing of deep sea fishery, chang in situation, increase of student capacity. 2)It is important to take clear aim to the student in the fisheries educational facilities and It will profitable the fisheries educational target are composed of practical skill 50%, personality 50%. 3)We must set up the scholorship system, to form connection with affiliated company and strengthen co-operation of enter-prise and educational organization in order to secure the superior ocean-going lescensed officer. 4)The restricted liscense (concerning to the fishing boat) shall be abolished for the sake of eliminate present conflict.
李吉來,趙鳳坤,劉奉錫 군산대학교 1983 群山水産專門大學 硏究報告 Vol.17 No.1
I have researched the formation of the Fishing ground, environment and catches of anchovy's long bag net fishery in 1978-1980 at Go Gun San Ir. middle west coast of Republic of Korea. The results are as follows. 1.The fishing ground environment during the fishing period, so to speak, the water surface temperature is 8-26˚.5c salinity is 28.4-32.9%o transparency 0.5-11m. There is a few difference between costal region and outward region. 2.It shows a tendency decreasing on the catches of Anchovy's long bag net fishery year by year. The monthly catches during the fishing period is May in spring July-Oct. in summer and autumn otherwise, it requires a survey of reserve resources in any other season. 3.On the appearance of anchovy at GoGunSan Ir. The small anchovy is formed a fish school at near coast during spring and autumn. It is connected with the spawning school. 4.The region "C" which the salinity density is lower as better catches, after July. The region "B" is better catches than any other place. 5. The transparency of fishing ground is 11m below. It is better catches is low transparency than the transparency is high.