• 제목/요약/키워드: Natural Resources Survey

검색결과 431건 처리시간 0.031초

강원도 사육 한우에서 Neospora caninum에 대한 항체양성률 조사 (Seroprevalence of Antibodies to Neospora caninum in Korean Native Cattle Raised in Kangwon Province)

  • 황의경
    • 대한수의학회지
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    • 제43권2호
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    • pp.283-288
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    • 2003
  • This survey was carried out to investigate the seroprevalence of antibodies to Neospora caninum in Korean native cattle (KNC) raised in Kangwon province in Korea. A total of 867 sera collected from KNC were tested for N. caninum antibodies using an indirect immunofluorescent antibody test (IFAT). One hundred and fifty five (17.9%) KNC were positive by IFAT. Seroprevalence of cows was 19.6% (44/224) and seroprevalence of boars was 17.3% (111/643). Among the seroprevalences of cattle according to the raised areas, five counties or cities, Hwacheon was 33.3% (1/3), Wonju was 30.8% (4/13), Chuncheon was 25.8% (24/93), Hongcheon 18.3% (22/120) and Wheongsung was 16.6%(104/628). It was proved that KNC raised in Kangwon provinces exposed extensively and seriously to N. caninum.

국산 약품자원 식물 (Resources of Medicinal Plants in Korea)

  • 류경수;육창수;홍남두
    • 생약학회지
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    • 제2권3호
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    • pp.125-156
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    • 1971
  • The nation-wide medicinal plants list is prepared on the basis of the collected plant samples from 22 places of 9 regions where the authors possiblely surveyed and the references on field survey reported by others. No one has reported this kind of list before and the Engler's classification system is applied in this list instead of the previously applied Nakai's classification system. And also Korean name, occurrence, distribution, medicinal part, and name of crude drugs are described in the list. According to the results of this study, the number of the natural and cultivated medicinal plants in Korea are 950 kinds presently; i.e., 719 species, 1 subspecies, 209 varieties, 1 subvariety and 20 formas which belong to 142 families and 437 genera. Out of the 950 medicinal plants, cryptogamae are 22, herbs 550 and woodies are 278. The usual common drugs are 284 kinds and the allied plants are estimated 160 kinds. And there are some folk medicines and un-utillized medicinal plants.

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자연생(自然生) 활엽수(闊葉樹)의 경제적(經濟的) 이용(利用)에 관(關)한 연구(硏究) (The Utilization of Naturally Grown Hardwood Timber Trees and Shrubs in Korea)

  • 심종섭;이필우
    • Journal of the Korean Wood Science and Technology
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    • 제10권3호
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    • pp.196-196
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    • 1982
  • There is a heavy stocked wood volume in the forest of Kang-Won Province compared with the other forests of Korean Provinces. It mainly, however, consists of non-productive and inferior hardwoods and shrubs which grows naturally. -This naturally grown hardwood forest should be cut and reforested with more economical confierous and diciduous tree species by artificial and natural regeneration under the positive government support. This study was carried out to survey the reasonable and economical utilization measures on harvesting wood products when existing hardwood forest should be cut primarily. This is the rust report on the resources and the classification of tree species by the uses of wood growing in the hardwood forest of Kang-Won Province. According to the investigation, 321 hardwood species are growing in this forest, and 141 species of them are extremely not suitable for wood production. The usable species as fuel wood was 180, and these are able to classify into the 22 groups by the uses of wood.

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야생동물 생태학적 사례연구를 통해서 본 교량형 생태통로의 현황 및 문제점 (Ecological Case Study of Eco-bridges in Korea: State and Problem)

  • 최병진;조영석;정종철;김주필
    • 환경영향평가
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    • 제16권4호
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    • pp.285-300
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    • 2007
  • The purpose of this study was to ascertain the ecological state and problems of eco-bridges on Korean roads. The study was conducted from March to April 2007 by checking ecological factors and wildlife around the eco-bridges and habitats. 8 representative eco-bridges were selected by their bridge shape and condition of location. After field survey, we analyzed ideal trails for wildlife using field data, digital topology maps, satellite images, and land use map. In addition to trail analysis, we identified the propriety of the eco-bridges through Population Viability Analysis. Because of unsuitable location and management, we found that most of the bridges are not proper for wildlife dispersal. Moreover, in some habitats, we could expect that some local populations might be extinct without appropriate treatments.

A new record of Antennoseius avius (Karg, 1976) (Acari: Mesostigmata; Ascidae) from Korea

  • Keum, Eunsun;Kaczmarek, Sławomir;Jung, Chuleui
    • Journal of Species Research
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    • 제5권3호
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    • pp.375-380
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    • 2016
  • Mites of the genus Antennoseius of family Ascidae are free-living soil predator mostly observed on the open grass field. In Korea, only two species, Antennoseius imbricatus Ishikawa, 1969 and A. japonicus Ishikawa, 1979 were reported in 1990s. Recent series of soil acarine biodiversity survey in Gyeongbuk province during 2009-2015. We recovered a new record of Antennoseius avius (Karg, 1976) to Korean inventory from riparian grassland. Detailed description of the species as well as the identification key to the genus and species were provided.

A new record of Hypoaspis sardous (Canestrini, 1884) (Acari: Mesostigmata: Laelapidae) from Korea

  • Keum, Eunsun;Kaczmarek, Slawomir;Jung, Chuleui
    • Journal of Species Research
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    • 제5권3호
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    • pp.477-482
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    • 2016
  • Mite of the genus Hypoaspis of family Laelapidae are free-living soil predators mostly observed on the open grass field. Five species in the genus Hypoaspis were listed in Korean Catalog (NIBR, 2013) without detail information. Recent series of soil acarine biodiversity survey in Gyeongbuk and Gangwon provinces during 2009-2015 recovered a new record of Hypoaspis sardous (Canestrini, 1884) to Korean inventory from apple orchard and riparian grass land. Detailed description and morphological comparison with the related species, H. aculeifer which is well known biological control agent of horticultural crop pests were provided with identification keys.

충주시 중원대교 야간경관조명 계획방안에 관한 연구 (A Study on the Lighting Plan for the Jung-won bridge in Chungju City)

  • 신동인;정유근
    • KIEAE Journal
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    • 제8권4호
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    • pp.49-54
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    • 2008
  • Chungju city with beautiful natural environments and various cultural resources recently meets the new economic revival caused by opening of Jungbu Naeruk express way and invitation of the enterprise city. Now, the out door lightings come to the major issues to improve Chungju night image and to exploit new scenic spots. this study aims to develop the lighting plan for the jung-won bridge as a representative scenic spot in Chungju city. For the study, the field surveys and computer simulations were performed. As results, the lighting concepts such as entrance and apple images and alternative lighting plans were suggested.

강원도 사육 젖소의 네오스포라포자충(Neospora caninum)에 대한 항체양성률 조사 (Seroprevalence of antibodies to Neospora caninum in dairy cattle raised in Kangwon province)

  • 황의경
    • 대한수의학회지
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    • 제50권1호
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    • pp.19-24
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    • 2010
  • This survey was carried out to investigate the seroprevalence of antibodies to Neospora (N.) caninum in dairy cattle raised in Kangwon province in Korea. A total of 349 sera collected from dairy cattle were tested for N. caninum antibodies using an indirect immunofluorescent antibody test (IFAT). Ninety six (27.5%) dairy cattle were positive by IFAT. Seroprevalence of cows was 28.9% (91/315) and seroprevalence of boars was 14.7% (5/34). The seroprevalences of cows were increased according to the ages from 19.6% in cows less than 2 year-old to 50.0% in cows more than 7 year-old. Among the seroprevalences of cattle according to the raised areas, five counties or cities, Wheongsung was 34.6% (27/78), Wonju was 29.3% (46/157), Hongcheon was 28.9% (13/45), Chuncheon was 15.0% (3/20) and Cheolwon was 13.3% (2/15). It was proved that dairy cattle raised in Kangwon provinces exposed extensively and seriously to N. caninum.

Identifying potential mineral resources using digital imagery

  • Cranfield, L.C.;Vohora, V.K.;Donoghue, S.L.
    • 대한원격탐사학회:학술대회논문집
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    • 대한원격탐사학회 2003년도 Proceedings of ACRS 2003 ISRS
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    • pp.254-256
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    • 2003
  • A total of one hundred and twenty three goldbearing mineral deposits in the Charters Towers area west of Townswille, Queensland, Australia were initially classified into four named and unnamed separate vein styles, with different trends and alteration patterns, a breccia-style deposit and placer gold deposits. The area has vein deposits in Ordovician and Silurian granitoids and breccia-style in the Carboniferous volcanics. In this paper a modeling of these deposits is described using geological mapping, landscape analysis and digital imagery (Landsat TM and geophysics) to improve the classification and identification of possible new target for exploration.

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A Survey of Arabic Thematic Sentiment Analysis Based on Topic Modeling

  • Basabain, Seham
    • International Journal of Computer Science & Network Security
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    • 제21권9호
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    • pp.155-162
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    • 2021
  • The expansion of the world wide web has led to a huge amount of user generated content over different forums and social media platforms, these rich data resources offer the opportunity to reflect, and track changing public sentiments and help to develop proactive reactions strategies for decision and policy makers. Analysis of public emotions and opinions towards events and sentimental trends can help to address unforeseen areas of public concerns. The need of developing systems to analyze these sentiments and the topics behind them has emerged tremendously. While most existing works reported in the literature have been carried out in English, this paper, in contrast, aims to review recent research works in Arabic language in the field of thematic sentiment analysis and which techniques they have utilized to accomplish this task. The findings show that the prevailing techniques in Arabic topic-based sentiment analysis are based on traditional approaches and machine learning methods. In addition, it has been found that considerably limited recent studies have utilized deep learning approaches to build high performance models.