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A Pollen Analysis in the Peat Sediments from Pyung Taek County Korea (평택지구 토탄의 화분분석)

  • 오지영
    • Journal of Plant Biology
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    • v.14 no.3
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    • pp.66-73
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    • 1971
  • Pollen analysis was made on peat deposits in the area of Pyung Taek County, Central Korea. Arboreal pollen(AP) of Alnus, Abies, Ligustrum, Viburnum and Carpinus composed 70-80% of the total pollen detected in this sample area. Judging from the large amount of arboreal pollens, one can assume that those species were dominant in this district when the pollen was deposited. Among the arboreal pollens, Alnus pollen occurred more often than any other trees. Pollens of Betula, Tilia and Ulmus occurred rarely in each layers of peat deposit. The pollen diagram showed that Pinus and Abies markedly increased from the bottom to the top of the peat, while Ligustrum, Quercus and Tilia decreased proportionately. Non-arboreal pollens (NAP) and spores composed about 30 percent at the lower layer, but decreased considerably in the upper layer.

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Critical Factors in the Integration of Information and Communication Technologies in Early Childhood Education in Kenya : A Case of Nairobi County

  • Begi, Nyakwara
    • Journal of Information Technology Applications and Management
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    • v.21 no.3
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    • pp.79-96
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    • 2014
  • In Kenya during the last one decade, public and private sectors have invested a lot of resources in computer based Information and Communication Technologies (ICT) to improve the quality of education in schools. The main objective has been to integrate ICT in the delivery of curriculum in order to improve the quality of teaching-learning and to produce ICT literate workforce. The computer based technologies are used in management, pedagogy, and communication. This paper presents results from a study that was conducted in Nairobi County in Kenya to determine the key factors in the integration of computer based ICT in teaching-learning in pre-primary and lower primary schools. Results had revealed that the use of computer based ICT in teaching-learning by both pre-primary and lower primary schools was influenced by accessibility of resources, capacity to use the technology, availability of time, and provision of technical support.

The Popularity of Picture Books with Television Tie-in Contents in the Public Library

  • Ladd, Patricia R.
    • International Journal of Knowledge Content Development & Technology
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    • v.1 no.1
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    • pp.25-37
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    • 2011
  • This study analyzes circulation statistics of television tie-in picture books from the Wake County Public Library System in North Carolina to determine their popularity among patrons. Caldecott winning picture books were used as a point of comparison. This study also examined OPAC holdings from North Carolina public libraries to determine television tie-in picture book popularity among collection builders. The findings of the study show that television tie-in picture books are found to some degree in the vast majority of North Carolina public libraries, and are more popular than award winners in the Wake County system.

MAPPING SOIL ORGANIC MATTER CONTENT IN FLOODPLAINS USING A DIGITAL SOIL DATABASE AND GIS TECHNIQUES: A CASE STUDY WITH A TOPOGRAPHIC FACTOR IN NORTHEAST KANSAS

  • Park, Sunyurp
    • Spatial Information Research
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    • v.10 no.4
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    • pp.533-550
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    • 2002
  • Soil organic matter (SOM) content and other physical soil properties were extracted from a digital soil database, the Soil Survey Geographic (SSURGO) database, to map the amount of SOM and determine its relationship with topographic positions in floodplain areas along a river basin in Douglas County, Kansas. In the floodplains, results showed that slope and SOM content had a significant negative relationship. Soils near river channels were deep and nearly level, and they had the greatest SOM content in the floodplain areas. For the whole county, SOM content was influenced primarily by soil depth and percent SOM by weight. Among different slope areas, soils on mid-range slopes (10-15%) and ridgetops had the highest SOM content because they had relatively high percent SOM content by weight and very deep soils, respectively. SOM content was also significantly variable among different land cover types. Forest/woodland had significantly higher SOM content than others, followed by cropland, grassland, and urban areas.

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Analyzing Optimal Farming System Using Linear Programming - Case of Rice Farm in Seosan County, Chungnam - (선형계획법에 의한 복합영농의 최적화 방안 - 충남 서산시 A농가를 대상으로 -)

  • Kim, Chang Hwan;Kim, Sung Rok;Kim, So Yun
    • Journal of Agricultural Extension & Community Development
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    • v.23 no.2
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    • pp.123-133
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    • 2016
  • According to increasing the number of rice farm households, it is important to find optimal farm scale, farm crops, and labour constraints depending on growth time. The study aims to analyze the optimal farming system using the linear programming in Seosan county, Chungnam. The survey was conducted in-depth interview to collect data from one farm household. Results show that farmers change their some crops in dry filed into ginger and hire farm labours in April. The findings should be of interest to rice farmers and policy makers to manage their farm effectively and to support them.

Four New Species of Amanita in Inje County, Korea

  • Cho, Hae Jin;Park, Myung Soo;Lee, Hyun;Oh, Seung-Yoon;Jang, Yeongseon;Fong, Jonathan J.;Lim, Young Woon
    • Mycobiology
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    • v.43 no.4
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    • pp.408-414
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    • 2015
  • Amanita (Agaricales, Basidiomycota) is one of the most well-known genera composed of poisonous mushrooms. This genus of almost 500 species is distributed worldwide. Approximately 240 macrofungi were collected through an ongoing survey of indigenous fungi of Mt. Jeombong in Inje County, Korea in 2014. Among these specimens, 25 were identified as members of Amanita using macroscopic features. Specimens were identified to the species level by microscopic features and molecular sequence analyses of the internal transcribed spacer and large subunit of nuclear ribosomal RNA. We molecularly identified 13 Amanita species, with seven species matching previously recorded species, four species (A. caesareoides, A. griseoturcosa, A. imazekii, and A. sepiacea) new to Korea, and two unknown species.

A Statistical Review on the Changes in the Elderly Living Arrangements in Chejoo-do for the Elderly Housing Supply (노인주택 공급을 위한 제주도 고령자가구구성의 변화에 관한 통계적 연구)

  • 배정인
    • Proceeding of Spring/Autumn Annual Conference of KHA
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    • 2001.11a
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    • pp.119-127
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    • 2001
  • This paper aims to analyse the changes In the living arrangements of the elderly in Chejoo-do for the elderly housing supply by using census data. The conclusions are as follows; The rate of living alone and living with spouse only of the elderly have been increasing. The trend in county was higher than that in city. Living alone rate of the elderly of Chejoo-do was higher than that of Korean average. Even in the oldest old, living alone rate has been increasing in Chejoo-do. It is a unique phenomenon in Korea and similar with U.S. In Chejoo-do, it is strongly required to evolve elderly housing by universal design for living alone elderly in county as well as for living alone elderly in city.

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Spatial Delineation of Planning Unit for Rural Village Improvement (농촌 생활환경 정비구역의 설정)

  • 조영국;김성진
    • Journal of Korean Society of Rural Planning
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    • v.4 no.1
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    • pp.15-21
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    • 1998
  • The purpose of the study is to identify a basic spatial unit for rural village redevelopment plan. An ideal spatial unit need to satisfy three basic premises: to be homogeneous as rural community, to be appropriate to implement the project, and to be compatible with regional planning systems. A spatial unit could, empirically, be defined based on the homogeneity at first, and then appropriateness and compatibility could be used to adjust its boundary. Mitan-Myun(13 villages), Pyungchang County, Dochuck-Myun(15 villages), Kwangju County, and Chuksan-Myun(28 villages), Kimje City in Korea were selected as case study areas. The degree of interrelationship between all possible pairs in each Myun was measured using spatial, socio-cultural, and economic indicators. Multidimensional Scaling(MDS) was used to identify a homogeneous spatial unit, and then indicators representing appropriateness and compatibility were used to adjust the identified boundary. New districts which have two or three villages were suggested as a reasonable spatial unit for rural village redevelopment, and its boundary roughly overlaps with Bup-Jeong-Ri(法定里: a legally defined village).

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Brucellosis outbreak of Korean indigenous cattle at Yeongwol and Pyeongchang county in Korea

  • Kim Song-Tae;Yoon Kyo-Bok;Kang Tae-Kyu;Bak Won-Hern;Lee Jung-Hyun;Chung Dong-Su
    • Korean Journal of Veterinary Service
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    • v.28 no.4
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    • pp.387-392
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    • 2005
  • This study was attempted to investigate the properties of brucellosis in Korean indigenous cattle at the Yeongwol and Pyeongchang county. Brucella spp was differentiated and identified from cotyledons, amniotic fluids and supramammary lymph nodes which confirmed with clinical, serological, epidemiological evidences (69 cases) from January to June, 2004. Isolation frequency of this causative agent from supramammary lymph nodes, cotyledons and amniotic fluids from 38 pregnant Korean indigenous cattle were $39.1\%,\;87.5\%,\;and\;63.2\%$, respectively, and finally confirmed with Brucella abortus biotype 1 through biochemical and serological test. A Brucella specific DNA with 711bp band was detected by PCR assay using BCSP primer. The two cases were definite epidemiological evidences that infected Korean indigenous cattle acrossed the border to Yeongwol and Pyeongchang from near two provinces. Effective prevention programs are urgently needed for further spreading this epidemics.

A Geographic Information System(GIS) Approach for Modeling a Soil Erosion Map from Available Data

  • Yang, Young-Kyu;Miller, Lee-D.
    • Korean Journal of Remote Sensing
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    • v.2 no.1
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    • pp.23-33
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    • 1986
  • The Universal Soil Loss Equation (USLE) has been applied to the microcomputer based Geographic Information System (GIS) data planes to model a soil erosion map for a county. The conventional method applied by US Soil conservation Service (SCS) has been tedious and time consuming process on a mainframe computer which yields a multisectioned, hard to interprete, line printer map of the each county's soil loss. The new approach proved to be an economical and efficient tool for the natural resource managers in their decision malting in land conservation practice. They can simulate the variety of conservation practices and assess the cost and benefit without physically implementing the conservation measures.7he new approach also can produce all the other graphical and statistical reports.