• 제목/요약/키워드: Value diversity

검색결과 1,194건 처리시간 0.036초

Effect of Conservation on Plant Species Diversity, Kurdistan, Western Iran

  • Pourbabaei, Hassan;Rahimi, Verya
    • Journal of Forest and Environmental Science
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    • 제32권1호
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    • pp.10-19
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    • 2016
  • This study was carried out in the Boin and Miryousef regions in Baneh of Kordestan province, west of Iran. Both areas were divided into two parts including protected and unprotected areas. In each area, 20 $1000-m^2$ circular plots were established following a selective method. Tree and shrub species were identified and the number of these species was counted in each sampling plot. The results indicated that 7 trees, 4 shrubs and 109 herbaceous species were found in the studied areas, 40 herbaceous, 7 tree and 3 shrub species were present in protected area, while unprotected area had 16 herbaceous and 3 tree species. The highest value of diversity indices belonged to protected areas in all vegetation layers. In tree layer, Quercus brantii had the greatest value of SIV, whereas the lowest value belonged to Pistacia atlantica. In shrub layer, the highest and lowest values of SIV belonged to Daphne mezereum and Cerasus microcarpa, respectively. Finally, in herbaceous layer, Luzula spicata had highest value of SIV, and lowest value was belonged to Galium sp.

Study of Genetic Diversity among Simmental Cross Cattle in West Sumatra Based on Microsatellite Markers

  • Agung, Paskah Partogi;Saputra, Ferdy;Septian, Wike Andre;Lusiana, Lusiana;Zein, Moch. Syamsul Arifin;Sulandari, Sri;Anwar, Saiful;Wulandari, Ari Sulistyo;Said, Syahruddin;Tappa, Baharuddin
    • Asian-Australasian Journal of Animal Sciences
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    • 제29권2호
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    • pp.176-183
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    • 2016
  • A study was conducted to assess the genetic diversity among Simmental Cross cattle in West Sumatra using microsatellite DNA markers. A total of 176 individual cattle blood samples was used for obtaining DNA samples. Twelve primers of microsatellite loci as recommended by FAO were used to identify the genetic diversity of the Simmental Cross cattle population. Multiplex DNA fragment analysis method was used for allele identification. All the microsatellite loci in this study were highly polymorphic and all of the identified alleles were able to classify the cattle population into several groups based on their genetic distance. The heterozygosity values of microsatellite loci in this study ranged from 0.556 to 0.782. The polymorphism information content (PIC) value of the 12 observed loci is high (PIC>0.5). The highest PIC value in the Simmental cattle population was 0.893 (locus TGLA53), while the lowest value was 0.529 (locus BM1818). Based on the genetic distance value, the subpopulation of the Simmental Cross-Agam and the Simmental Cross-Limapuluh Kota was exceptionally close to the Simmental Purebred thus indicating that a grading-up process has taken place with the Simmental Purebred. In view of the advantages possessed by the Simmental Cross cattle and the evaluation of the genetic diversity results, a number of subpopulations in this study can be considered as the initial (base) population for the Simmental Cross cattle breeding programs in West Sumatra, Indonesia.

문화다양성 증진을 위한 만화산업정책 방향설정에 관한 시론적 연구: 문화권 접근방법을 중심으로 (Cultural Diversity as a Policy Value for the Cultural Industry Policy)

  • 임학순
    • 만화애니메이션 연구
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    • 통권10호
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    • pp.91-106
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    • 2006
  • 이 연구는 만화산업정책에 대한 사례분석을 토대로 문화다양성이념이 문화산업정책의 이념으로 갖고 있는 특성과 의미를 살펴보고, 문화다양성 이념을 달성하기 위한 정책방향과 과제를 모색하는데 초점을 두었다. 이를 위하여 문화다양성 개념을 문화국제화의 관점과 문화권의 관점에서 정의하고, 이에 관한 이론적 논의를 살펴보았다. 그리고 만화산업정책사례를 중심으로 만화산업정책의 정책목표와 이념을 분석하고, 문화권의 관점에서 문화다양성 이념이 실제 정책사업에 어떻게 연계되어 있는지를 고찰하였다. 분석결과, 문화다양성 이념이 공식적인 정책목표와 이념으로 정립되어 있지는 않았지만, 실제 정책사업의 목표에는 반영되어 있다는 점과 문화다양성 이념이 문화산업정책의 핵심이념으로 고려될 수 있음을 규명하였다. 이와 연관하여 만화산업정책에서 문화다양성 증진을 위한 정책방향과 과제를 문화권의 관점에서 모색하였다.

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A Study on the Evaluation of Functional Aspect Value of Individual Biotope -Focused on the Habitat Function of Biotope-

  • Kim, Han Soo
    • 한국환경생태학회지
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    • 제29권2호
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    • pp.263-278
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    • 2015
  • This study is intended to evaluate the value of functional aspect from the viewpoint of habitat. The indicators that are used in biotope evaluations are various, but most of them use the criteria to evaluate the naturality. This evaluation method cannot appropriately reflect the functional characteristics coming from relation to the surrounding biotope. In this study, the connectivity, cohesion and diversity between individual biotope are quantitatively measured by a landscape index. It is hard to draw the functional value of individual biotopes because the landscape index related to connectivity, cohesion and diversity comes from a landscape having a number of biotopes. The concept of contribution was used to overcome this limitation. The concept of contribution is to quantify how much each individual biotope contributes to the connectivity, cohesion, and diversity in a certain range of landscape by deriving the amount of change in the landscape index according to the presence or absence of each individual biotope. In order to understand the characteristics of evaluation results in functional aspect, this research has done a comparative analysis of the previous research findings in the same target area. According to the result of the research, individual biotopes such as artificial forests, fragmented natural forests, and small planting sites were highly rated.

온라인 패션 쇼핑몰의 제품구매에 영향을 미치는 요인에 관한 연구 (A Study on the Factors Affecting the Purchase of Products in Online Fashion Shopping Mall)

  • 한경희
    • 한국의상디자인학회지
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    • 제14권3호
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    • pp.11-22
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    • 2012
  • As the consuming pattern is changing with the expansion of Internet use and the development of communication technology, Internet shopping market is getting bigger and bigger. By product group, clothing and fashion related products occupy the biggest share. Accordingly, in this study it was tried to identify the effects of Internet utilization capability that enables consumers to search for the information that they need in this information flood, variety pursuit trend and product review accommodation status on shopping value, and to analyze the effects of the shopping value on the purchase behavior in online shopping malls. When factor analysis is nude on Internet use level, it was found that Factor 1 was 'Flow Experience,' Factor 2 'Internet Use Capability,' and Factor 3 'Internet Challenge Desire.' When factor analysis is made on Diversity Pursuit Propensity, it was found that Factor 1 was 'Site Diversity Pursuit Propensity,' Factor 2 'Brand Diversity Pursuit Propensity,' and Factor 3 'Brand Value Pursuit Propensity.' When factor analysis is nude on Product Review Accommodation Propensity, it was found that Factor 1 was 'Product Information Provision Propensity,' and Factor 2 'Product Information Receiving Propensity.' Except Internet Use Capability and Product Information Provision Propensity, all other factors showed high correlation. The factor influencing the entertainment value most was Internet challenge desire, while that influencing the practical value most was flow experience. When the effects of the entertainment value and the practical value on product purchase were analyzed, it was found that both of entertainment value and the practical value influenced product purchase and the practical value influenced the product purchase more than the entertainment value.

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경쟁과 다양성: 방송관련법의 목적의 관점 (Competition and Diversity: Perspective of the Objectives of Broadcasting-related Laws)

  • 홍대식
    • 법제연구
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    • 제44호
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    • pp.63-101
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    • 2013
  • 이 글에서는 먼저 경쟁과 다양성이 미디어 정책의 구체적인 수단을 규정한 방송관련법이 추구하는 주된 목적이 된다는 것을 전제로 하여 각각의 개념과 구성요소 그리고 그 제도적 구현의 모습을 살펴보고, 특정분야의 경쟁법으로서의 방송관련법에서는 경쟁 목적이 차별성 요인을 갖는 한편 다양성 가치도 특수성을 갖는다는 논의를 전개한다. 다음으로 경쟁과 다양성 가치를 조화롭게 실현하기 위해서는 방송시장 특유의 구조적 규제수단을 포함하는 특별한 경쟁규칙이 필요하다고 전제하면서, 방송관련법상 경쟁 목적 규제와 다양성 목적 규제에 대하여 개선되어야 할 방향을 다음과 같이 제시한다. 첫째, 경쟁 목적 규제의 개선 방안이다. 사전적인 상태적 규제로서의 시청점유율 규제와 사후적인 행위규제로서의 금지행위 규제는 다양성 가치를 추구하면서도 원인적 규제를 대체하는 데 중요한 역할을 할 수 있다. 이를 위하여 공정거래법의 위법성 판단방식을 유추하여 다양성 관련 요소를 금지행위의 위법성 판단기준의 고려요소로 하는 방식을 구체적으로 개발할 필요가 있다. 둘째, 다양성 목적 규제의 개선 방안이다. 이는 규제 목적의 설정, 대체가능한 규제수단의 식별, 규제 목적에 맞는 규제수단과 규제수준의 선택이라는 3가지 관점에서 검토될 수 있다. 이러한 관점에서 다양성 가치가 단순한 수사적 도구에 그치지 않고 평가 및 분석 도구로 사용될 수 있는 제도적 수단 위주로 규제 틀을 개선하는 한편, 경쟁과 같은 경제적 목적과의 조화를 고려할 때 불합리해 보이는 규제에 대하여는 이를 유지할 것인가 또는 어느 정도로 유지할 것인가를 신중하게 재검토해야 한다.

다양성 지각 정도가 팀의 성과에 미치는 영향: 갈등의 조절효과를 중심으로 (The Effects of Perception Levels of Diversity on Team Performance: Moderating Effects of Conflict)

  • 윤준희;신호철
    • 품질경영학회지
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    • 제41권2호
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    • pp.289-300
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    • 2013
  • Purpose: The results of prior studies investigating main effects between diversity and team performance are neither clear nor consistent. This study seeks to provide more evidence for a direct link between these two. The present study also attempts to close a gap in the literature by examining conflict as a moderator of the relationship between diversity and team performance. Methods: As suggested by Williams and O'Reilly(1998), this study examines the effects of perception levels of three specific types of diversity (social category diversity, value diversity, and informational diversity) and two contextual moderators (task conflict and relationship conflict) on team performance. Results: The results show that perception levels of all three types of diversity are significantly related to team performance in the current sample of 313. Results also indicate that relationship conflict significantly interacted with the perception levels of diversity in relating to team performance. Results for task conflict, however, fails to support the hypothesis. Conclusion: The results suggest that the effects of diversity on team functioning depend on how diversity is perceived by team members, rather than actual diversity seen by team members. Theoretical and practical implications are reviewed, and limitations of the study and suggestions for future research are addressed.

수중 다중경로 주파수 선택적 채널에서 최대우도추정을 적용한 선택적합성 주파수 다이버시티의 통신 성능 (Communication performance of selective combining frequency diversity with maximum likelihood estimation in underwater multipath frequency selective channels)

  • 이채희;박규칠;박지현
    • 한국음향학회지
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    • 제41권2호
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    • pp.143-149
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    • 2022
  • 본 논문은 최대우도추정(Maximum Likelihood Estimation, MLE)을 적용한 선택적 합성법(Selective Combining, SC)의 수중 주파수 다이버시티 통신성능을 평가하였다. 수중 다중경로 주파수 선택적 채널에서 수신 신호의 지연확산에 따른 상쇄 간섭 페이딩(destructive interference fading)은 수중 음향 통신 시스템의 오류 증가와 신호대잡음비(Signal to Noise Ratio, SNR)변동성에 영향을 준다. SC의 결정 값 추출을 위한 MLE 적용 해상실험에서 SC 주파수 다이버시티와 MLE-SC 주파수 다이버시티 성능을 평가하였다. SC보다 MLE-SC를 통해 추출한 결정 값을 적용한 경우 상대적으로 낮은 BER(Bit Error Rate) 특성을 확인하였다.

Genetic Diversity and Population Structure of maize, Zea mays, in Both Landraces and Cultivar Lines

  • Huh, Man-Kyu;Lee, In-Sup
    • Journal of Life Science
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    • 제12권1호
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    • pp.27-32
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    • 2002
  • Enzyme electrophoresis was used to estimate genetic diversity and population structure of maize, Zea mays L. (Graminales) in Korea. In nine populations, fourteen of the 24 loci (58.3 %) showed detectable polymorphism. Genetic diversity (0.205) was higher than average values for species with similar life history traits. Although our data are relatively small and the landraces not direct ancestors of cultivar, apparently the domestication process has eroded the levels of genetic variation of maize. The recent cultivars were found to have fewer alleles per locus (1.42 vs. 1.56), fewer alleles per polymorphic locus (2.27 vs. 2.33), lower percent polymorphic locus (33.3% vs. 41.7%), and lower diversity (0.159 vs. 0.185) than landraces. These genetic diversity parameters indicated that the cultivar populations were genetically depauperate relative to landlaces. The GST value of nine populations was 0.239. Nearly 76% of the total genetic diversity in Zea mays was apportioned within populations. The indirect estimate of gene new based on mean GST was moderate (Nm=0.80).

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The Ecological Characteristics of Classified Forest Cover Types in the Natural Forest of Sobaeksan

  • Lim, Seon-Mi;Kim, Ji Hong
    • Journal of Forest and Environmental Science
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    • 제31권2호
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    • pp.126-135
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    • 2015
  • This study was conducted to evaluate the ecological characteristics of forest cover types which were classified by cluster analysis in the natural forest of Sobaeksan on the basis of the vegetation data from the point-quarter sampling method. Recognized forest cover types were 1) Mixed mesophytic forest, 2) Taxus cuspidata forest, 3) Fraxinus rhynchophylla-Quercus mongolica forest, 4) Betula ermanii forest, 5) Pinus densiflora forest, 6) Quercus mongolica mixed forest, and 7) Quercus mongolica pure forest. For those of classified types, the species composition was expressed by importance value (IV) to describe the community floristically. The species diversity was quantified using the Shannon's diversity index. The results showed that the forest cover types were characteristically different from one another in growing species and compositional rates, depending upon the type which was formed by a number of similar vegetational sample points. Species diversity indices (H') of total and overstory both were the highest in the mixed mesophytic forest (3.530 and 2.880, respectively), and lowest in the Q. mongolica pure forest (2.122 and 0.000, respectively) with only one canopy species. The highest species diversity in the mixed mesophytic forest may due to the relatively high species richness and evenness in the forest cover types. The description on ecological characteristics were suggested to understand the formation and development of forest cover types in this study area.