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강원도에 집단 도래하는 천연기념물 겨울철새의 생태조사 및 질병발생 가능성에 관한 연구
김종택 ( Jong Taek Kim ),김현철 ( Hyeon Cheol Kim ),박인철 ( In Chul Pak ),정기수 ( Ki Soo Cheong ),장환 ( Hwan Jang ) 한국가축위생학회 2007 韓國家畜衛生學會誌 Vol.30 No.3
This report studied the individual number, their favorite habitat, and change pattern of family and group number in Cheolwon Basin, starting in the early Oct. 2004 until late March. 2005 to investigate the ecological features of the Red-crowned Crane and the White-naped Crane. The Cranes arrived Cheolwon Basin in mid-October until next mid-March, and passed the winter in mid-November until next late-February. The most visiting number amounted to 550 individuals and, that period was the most frosting mid-January to mid-February. The White-naped Crane visited Cheolwon Basin in autumn, the early winter and spring. Approximately, the wintering-number is 550 individuals, also, the mid-March was the peak-period of arrival and, the number amounted to 2,162 individuals. The cranes chose the farming area around mountains as their wintering habitat and were less likely to choose the farming area around lake as habitat. The Red-crowned Crane and the White-naped Crane showed the different periodical pattern in familial and group numbers. In case of the crane, the familial pattern was stable, but varied in grouping number, and this pattern was similar to the variation of overall individual number. And, also, the most grouping number was shown in the most freezing period of wintering period. The White-naped Crane showed the similar pattern of the Red-crowned Crane that is, stable family number and varying group number, this pattern affected the total number of entire individuals. Grouping number increased in migration period. Parasite infection rate is G japonensis 35.0%, G vipio 38.7%.
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독수리(Aegypius monachus)의 월동생태 및 부상실태 조사
김종택 ( Jong Taek Kim ),박철민 ( Cheol Min Park ),김영준 ( Young Jun Kim ),박인철 ( In Chul Pak ) 한국가축위생학회 2007 韓國家畜衛生學會誌 Vol.30 No.3
Eurasian black vulture (Aegypius monachus) belongs to family Accipitridae and is a raptor preying small birds and mammals. It is a wintering bird residing from the mid of November to the late of March in Korea. Although Eurasian black vulture population wintering at Korea is gradually increased, the efficient rescue and treatment for injured Eurasian black vultures are still problematic, due to lack of basic data. Therefore, in this survey, to obtain basic resources for establishing more efficient rescue system, we surveyed the number of Eurasian black vultures wintering at Gangwon province, wintering ecology and injury state of Eurasian black vulture. Survey area was Togyo reservoir at Cheorwon, Seonan basin at Yangoo and Wolsong reservoir at Chuncheon from November 2004 to March 2005. From 12 rescued Eurasian black vultures, physical examination, total plasma protein(TPP) and packed cell volume(PCV) were measured. To survey injury state of Eurasian black vultures wintering at Gangwon province, we surveyed the cause, morbidity and mortality from 103 Eurasian black vultures, based on medical records from animal rescue teams. The number of eurasian black vultures were gradually increased from November, peaked at Feburary, then steeply decreased at March. Eurasian black vultures showed the most vigorous activity around 1 PM within a day. In physical examination, mean body weight was 9.6±1.22㎏, body length was 1130±45.4㎜. No statistically significant difference in body weight and length between male and female eurasian black vultures was observed. Mean PCV was 40.2±2.7%, while mean TPP was 5.86±0.8㎎/㎗. The most common cause of injury and mortality was intoxication, while that of morbidity was fatigue.
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김홍배,이상현,김정문,박인철,이상미 청주대학교 산업과학연구소 1998 産業科學硏究 Vol.16 No.-
The Double layer thin films with a high dielectric constant of polycrystalline BaT_(1)0_(3) and a good insulating property of amorphous BaT_(1)0_(3) were prepared. And their electrical properties(Current-Voltage) were charaterized. BaT_(1)0_(3) thin films were deposited on S1 substrates by rf-magnetron sputtering technique using a ceramic target. The Double layer thin films were formed by a layered nmotphous/polycrystaline structure. And polycrystaline BaT_(1)0_(3) thin films were performed the second heat-treated at 800℃ and 1000℃. X-ray diffraction indicates that films formed BTO phase with unknown phase above 800℃. And I-V(Current-Voltage) characteristics of a-BTO/P-BTO double layer thin films resulted in higher than P/BTO thin film.
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