• 한국패류학회지
• /
• 제6권1호
• /
• pp.45-55
• /
• 1990

The present study on the classification and description of the marine mesogastropods based on the materials which were collected during the period from 12th to 17th of July in 1989 at nine localities of the Ullug Island. Seven unrecored species in 6 families of mesogastropodes are new to the fauna of Ullung Island. As a result of this study, 7 families and 8 species of marind mesogastuopoes are riported from the Ullung Island. Two species of thim, Costalynia costulata(Dunker, 1860), Barleeia angustata(Pilsbry, 1901), are found to be new to the fauna of Korea.

• 한국패류학회지
• /
• 제6권1호
• /
• pp.56-79
• /
• 1990

The present study on the classification and description of the marine archeogastropods based on the materials which were collected collected during the period from 12th to 17th of July in 1989 at nine localities of the Ullung Island. In addition to the 3fimilies and 8 species of the marine archeogastropods that have been reported, 7 familis and 29 species were reported including the 4 families and 21 unrecorede species from the Ullung Island as a result of this study. Among them, 3 species: Tugali decussata A. Adms 1852, Tuistichotuochus kima Shikawa & Habe 1965, Alcyna ocellata A. Adams, 1860 are found to be new to the fauna of Korea.

• 한국환경과학회지
• /
• 제15권1호
• /
• pp.59-66
• /
• 2006

High concentration of chlorophyll a occurred around the Ulleung Warm Eddy off Ulleung Island in the East Sea of Korea in spring season. The abnormal distributions of chlorophyll a were captured by satellite remote sensing and measured field data. The temporal and spatial scale of the abnormal distributions were around 20days and 50km diameter off Ullung Island. The anomalies were quantified b)'estimated chlorophyll a derived from OCM and SeaWiFS ocean color data from 2000 to 2004. The origin of abnormal hish concentrations was estimated by this study. It was that suspended material discharged from the Nakdong River and the coastal water located in the southeastern part of Korean Peninsula moved to northeastern coast, and then moved to off Ullung island, The high chlorophyll a concentrations including inorganic materials were accumulated by anticyclonic eddy such as the Ullung Warm Eddy around Ullung island in the East Sea of Korea in spring season.

• 한국동물학회지
• /
• 제38권2호
• /
• pp.160-166
• /
• 1995

The seven hvpotrichs inhabiting the representative aquatic and terrestrial habitats of Ullung Island, Holosticho svlvotlca, Gonostom urn affine, Histriculus co uicola, H. muscomm, SDlonvchio mytilus, Aspidisca ciccadu and Euplotes m uscicolu are discovered for the first time from Ullung Island. Of these, two species of eonostomum affine (Stein, 1859) and fupfotes muscicofc Kahl, 1932 are newly recorded from Korea. The total seven species are listed and two newly recorded species from Korea are redescribed with illustrations.

• 한국균학회지
• /
• 제25권2호통권81호
• /
• pp.77-84
• /
• 1997

울릉도에서 Graphis와 Pyrenula속 지의류 표본 26점이 1995년 5월과 10월에 채집되었다. 분류 동정을 통하여, Graphis rikuziensis (Vain.) Nak., Graphis scripta (L.) Ach., Pyrenula japonica Kurok.로 분류되었는데 그 중 Pyrenula japonica Kurok.는 한국의 미기록종 이었다.

• 대한전기학회:학술대회논문집
• /
• 대한전기학회 2001년도 추계학술대회 논문집 전기기기 및 에너지변환시스템부문
• /
• pp.305-307
• /
• 2001

The wind power equipment of Ullung island is composed of a hybride type of wind powers and diesel generators. The wind power generation in Ullung island is, howerever, not smooth due to the small capacity and weekness of existing power systems and line. Therefore, it is the purpose of this study to describe the technical problems and its solution through the investigation of actual conditions.

• 한국암석학회:학술대회논문집
• /
• 한국암석회.한국광물학회 2009년도 공동학술발표회 논문집
• /
• pp.108-108
• /
• 2009

• The Korean Journal of Ecology
• /
• 제24권4호
• /
• pp.245-251
• /
• 2001

Dokdo is a volcanic island, and its formative geological age took place at the end of the Pliocene Epoch. Dokdo is located at 131。 52′33" East longitude, and 37$^{\circ}$ 14′18" North latitude, and is consituted of 87 islands. The total area of Dokdo is 0.186 $\textrm{km}^2$ and the length of its coastline is 4 km. Ookdo is a treasury of fish resources where many varieties of fish including squid and Alaska pollack live in abundance of greatest importance. Dokdo is a forward fishery base. Ullung island is located at 37$^{\circ}$ 27′~37$^{\circ}$ 33′North latitude and 130$^{\circ}$ 47′~130$^{\circ}$ 56′East longitude. The area of Ullung is 72.92 $\textrm{km}^2$ and the length of its seashore is 44.21 $\textrm{km}^2$. The total marine product of Ullungdo(1995) is 9,066 tons (M/T). The largest is squid, 8,900 tons. For the sea area of the depths near the Ullungdo, coast, that of 50m or less is 2,477 ha, and that of 50- 100m is 1,471ha. This fact tells us that there is no extensive area of a very shallow sea, and that it is directly connected to the deep sea. Ullungdo is a treasury of marine bioresources with rich and varied fishes including squid and Alaska Pollack and many others. Presently there is a sovereignty dispute over Dokdo between Korea and Japan. Since A.D.512, Dokdo has been a part of territory of Korea. Dokdo is a part of Kyungsang-Bukdo, Ullung-gun, Ullung-up, Do-dong in the Korean administrative district division system. Japan strenuously claims sovereignty for significant economic reasons, including fishery rights, and has adhered to a contradictory position that "Dokdo is Japanese land" since Japan incorporated Dokdo into Japanese territory in 1905.ritory in 1905.

• 한국동물학회:학술대회논문집
• /
• 한국동물학회 1996년도 공동 춘계학술대회
• /
• pp.37.1-37
• /
• 1996

No Abstract, See Full Text

• 한국수산과학회지
• /
• 제23권5호
• /
• pp.407-415
• /
• 1990

We studied the spatio-temporal characteristics of the Ullung Warm Lens (UWL) using the historical oceanographic data of the National Fisheries Research and Development Agency of Korea in the East Sea from 1967 to 1983. The UWL is basically a subsurface phenomenin found in 100 to 300m depths, and its existence is not well posed in the distribution of the sea surface temperature. The UWL has a typical size of 100 km diameter, and its center migrates within the region of 150 by 150 km south of the Ullung Island. The UWL is almost a permanent feature, and the probability of its occurence within our study area ($129\~132^{\circ}E,\;36\~38^{\circ}N)\;was\;86\%$.