• Korean Journal of Environment and Ecology
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• v.22 no.3
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• pp.320-324
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• 2008

This study was conducted to investigate abundance of breeding birds in relation to forest environment, to figure out the influential factors in abundance of breeding birds and to get the basic data for effective management of the bird community in Jirisan National Park. For this purpose, this research selected 4 main hiking trails as survey points and conducted a survey on breeding bird species and forest environment from April to August in 2007. The study results are as follows: The number of the birds observed during the breeding season was 33 species at the elevation of 300 meters to 1,900 meters. This research made a regression analysis of 13 bird species appearing at more than 30% of all surveyed points, species richness, and richness in the number of individuals. As a result of making a simple and multiple regression analysis of the factors, among the forest environment factors, that have an effect on richness in bird species, each species was found to be less influenced by an elevation. In addition, this analysis revealed that among the forest environment factors, coverage of tree-1 layer(>12m), tree height, coverage of shrub layer(2${\sim}$0.5m), slope, coverage of subtree-2 layer(4${\sim}$2m) appeared as more influential ones on the variation of abundance in more species than an elevation itself. That explains why it is necessary to continuously maintain and manage the coverage of tree-1 layer(>12m), tree height, coverage of shrub layer(2${\sim}$0.5m), slope, and coverage of subtree-2 layer$(4{\sim}2m)$, etc. for the preservation and management of bird species in a breeding season at Jirisan National Park.

• Korean Journal of Environment and Ecology
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• v.7 no.2
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• pp.213-220
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• 1994

This study was conducted to investigate bird community and to suggest a proper way how to manage and protect bird community in Tokyusan National Park. The survey was carried over 2 main trail districts by line transect method at 20, February and 22, July in 1993. The observed birds were belong to 5 orders 17 families 34 species, they also have Sparrow Hawk Accipiter nisus, Kestrel Falco tinunnculus(natural monument no. 323), White-backed Woodpecker Dendrocopos leucotos(R) and Japanese Waxwing Bombycilla japonica(R). It is estimated that grass region above 1,000m altitude provided breeding habitats for Gray-headed Bunting Emberiza fucata in summer and wintering habitats for Rosy Finch Leucosticte arctoa in winter, This shows that this region should be protected for inhabitation of these birds. Mujukucheontong valley of Tokyusan National Park, which had been a good habitat for valley-inhabituating birds before twenty years ago, has a lower species richness by increasing using density, and so this valley shoud be properly managed urgently.

• Korean Journal of Ornithology
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• v.25 no.2
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• pp.106-111
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• 2018

The Black-tailed gull (Larus crassirostris) is one of the most common gull species in the Northeast Asia and classified as LC (least concern) in the IUCN Red List. The bird has become a useful indicator for marine environmental pollution and habitat disruption, since the human activities impacted marine environments. Here we show that the black-tailed Gull has 6 haplotypes and some rare haplotypes are locally limited implying that the bird may not disperse far. This study may be the first report on population genetic study of Black-tailed Gull in Korea and could be used as the baseline data for monitoring and genetic study on the bird as an environmental indicator.

• Korean Journal of Veterinary Research
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• v.48 no.4
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• pp.489-492
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• 2008

An 8-year-old male mynah (Gracula spp.) was presented for depression, anorexia, and respiratory distress. The patient's diet consisted of sponge cake and yogurt alone. Physical examination revealed high body condition score (4/5), abdominal distention, and severe orthopnea. Hepatomegaly was observed on abdominal radiographs. The patient died 4 h after presentation, and severe hepatomegaly was observed at necropsy. Based on histopathological findings, the bird was definitively diagnosed with iron storage disease with concurrent hepatic lipidosis.

• Proceedings of the Korean Society of Environment and Ecology Conference
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• 2009.10a
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• pp.175-176
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• 2009

• 한국항공운항학회:학술대회논문집
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• 2006.11a
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• pp.21-27
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• 2006

• Proceedings of the Korean Information Science Society Conference
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• 2006.06b
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• pp.292-294
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• 2006

현재 대다수의 자동차에 장착된 사이드미러와 백미러 같은 기존의 비젼 시스템은 사각지대(blind spot)를 가지고 있다. 이러한 단점을 보안하기 위해 고급 자동차에는 후방에 wide-angle 카메라를 장착하고 있다. 기존의 wide-angie 카메라 시스템은 1대의 카메라를 사용하여 후방 영상을 얻고 그것을 그대로 보여줌으로서 어느 정도 사각지대를 줄여주는 역할을 하고 있지만 여전히 확보되지 않은 사각지대가 존재한다. 하지만 다수의 카메라를 사용하면 보다 넓은 후방 시야를 확보함으로서 보다 완벽하게 사각지대를 제거할 뿐만 아니라, 좀 더 다양한 위험물 정보를 주행 중에도 운전자에게 제공하는 것이 가능해진다. 본 논문에서는 사각지대를 제거하기 위해 차량의 좌. 우측 그리고 후방에 장착된 카메라를 통해 얻어진 영상물 하나의 통합된 파노라마 영상물 생성하는 방법을 제안하고 몇 가지 경우에 대해 실험한다. 우리는 3D 와핑을 통해 각 영상의 Bird's Eye View를 생성하고, 생성된 Bird's Eye View를 2차원 이동변환만을 이용해서 하나의 통합된 Bird's Eye View를 만든다. 이렇게 만들어진 통합된 영상을 후방 카메라를 기준으로 다시 3D 와핑 함으로서 완전한 파노라마 영상을 생성한다.

• Proceedings of the KSRS Conference
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• v.2
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• pp.602-605
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• 2006

This study is to apply QuickBird satellite image for the simulation of storm runoff in a small rural watershed. For a 1.05 $km^2$ watershed located in Goesan-Gun of Chungbuk Province, the land use from the QuickBird image was produced by on-screening digitising after ortho-rectifying using 2 m DEM. For 3 cases of land use, soil and elevation scale (1:5,000, 1:25,000 and 1:50,000), SCS (Soil Conservation Service)-CN (Curve Number) and the watershed physical parameters were prepared for the storm runoff model, HEC-HMS (Hydrological Modelling System). The model was evaluated for each case and compared the simulated results with couple of selected storm events.

• 한국HCI학회:학술대회논문집
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• 2007.02a
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• pp.767-773
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• 2007

현재 시판되고 있는 대다수의 자동차에 장착된 사이드미러와 백미러 같은 기존의 비젼 시스템은 모두 사각지대(blind spot)를 가지고 있다. 사각지대는 크고 작은 사고의 원인이 되기도 한다. 이러한 단점을 보완하기 위해 자동차 기업들은 자사의 고급 자동차 후방에 광각(wide-angle) 카메라를 장착하고 있다. 광각 카메라 시스템은 1대의 카메라를 사용하여 후방 영상을 얻고 그것을 그대로 보여줌으로서 어느 정도 사각지대를 줄여주는 역할을 하고 있지만 후방의 모든 사각지대를 제거해주지는 못한다. 그러므로 다수의 카메라를 사용하면 보다 넓은 후방 시야를 확보함으로서 보다 완벽하게 사각지대를 제거할 뿐만 아니라, 좀 더 다양한 위험물 정보를 주행 중에도 운전자에게 제공하는 것이 가능해진다. 본 논문에서는 사각지대를 제거하기 위해 차량의 좌, 우측 그리고 후방에 3대의 카메라를 장착하고, 장착된 카메라를 통해 얻어진 영상을 통합한 파노라마 영상을 생성하는 방법과 다양한 환경에서 실험한 결과를 제시한다. 파노라마 영상을 생성하기 위해서 제안하는 방법은 3D 와핑을 통해 각 영상의 Bird's Eye View를 생성하고, 생성된 Bird's Eye View를 2차원 이동변환만을 이용해서 하나의 통합된 Bird's Eye View를 만든다. 이렇게 만들어진 통합된 영상을 후방 카메라를 기준으로 다시 3D 와핑 함으로서 완전한 파노라마 영상을 생성한다. 제시된 방법으로 다양한 상황에 따라 실험을 수행하고, 이를 통해 문제점을 찾아본다.

• Journal of Physiology & Pathology in Korean Medicine
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• v.19 no.3
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• pp.605-611
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• 2005

Chronic fatigue refers to the tiredness which disturbs one's daily activities and lasts more than six months without the sign of improvement by rest or sleep. Male chronic fatigue is included in internal injuries due to overstrain and exhaustion and closely related to river, spleen, stomach and kidney out of five Jang organs. Male chronic fatigue is based on the deficiency of Yang and aggravated by liquor, sex and emotional depression. Chronic fatigue has the following features in Hyungsang ; an inclination for lying: unwillingness to everything; drooping eyes and feeble voice; yellow pale complexion; withered ears; redness on the tip of nose; cheekbone, and lips; blood shot eyes; dryness and loss of hair. Male chronic fatigue usually attacks the persons of horse type and bird type because they are hyperactive compared with what they eat. The following medicines are commonly prescribed for the treatment of male chronic fatigue. Ssangwhatang, Sokunzungtang, and Yanghyulsamultang are commonly prescribed to horse type. Jaumkangwhatang, Chungsimyunzaum, Yookmijiwhangtang to bird type. Palmiwhan, Gozinumja. and Shinkihwan to fish type. Bozungikkitang, Galwhahaesungtang, Samchulgunbitang and Sipjundaebotang to turtle type.