• Journal of the Korean Geographical Society
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• v.42 no.4
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• pp.601-615
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• 2007

Many Korean migrants in Japan have established small businesses using their ethnic networks as they were discriminated and excluded from Japanese society and labour market. The aim of this study is to explore the changes in characteristics of Korean migrants' businesses by generation, focusing on the role of co-ethnic relationships including ethnic networks and resources on their businesses. This study analyzed Korean migrants' dependence of the ethnic resources to understand the relationship between the ethnic. When Koreans first moved to Japan, laborers amounted the most, but the number of the professionals and the small business owners has increased gradually. This change was influenced by the change of generation and the improvement of education, as well as recognition of Japanese society and the change of policies toward Korean migrants in Japan. In early times when the number of small business owners started to increase, many cases such as a business, an employment, the use of Korean banks used to depend on ethnic resources. Also there were many businesses of which main customers were Koreans. However, the dependence of the ethnic resources has become diverse as the structure of the occupation has changed. The maintenance or exclusion of co-ethnic relationship depends on the structure of society and economy, and its result affect the relationship between Korean migrants in Japan and Japanese.

• Journal of Family Resource Management and Policy Review
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• v.15 no.1
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• pp.51-70
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• 2011

This study is to explore the effects of leisure life on multi-cultural family from a view of marriage migrants women. For this purpose, data were collected by in-depth interviews of 24 marriage migrants women who came from 7 countries such as Vietnam, China, Japan etc. They are living in Daejeon city, Okcheon gun(Chungbuk), Gumi city(Gyungbuk) and the length of residence is ranging from 4 and half month to 13 years and 6 months. Data were analyzed by qualitative method. Major findings are as follows: First, individual and family leisure of marriage migrant women had positive effects on adaptation of her family life. Especially, in the early marriage stage, family leisure contributed women's emotional stability. Second, time was the most limiting constraints in family leisure of multi-cultural family. Third, early in the marriage, marriage migrant women who is not fluent in Korean language, customs, and courtesy hinders them from joining their family leisure. Fourth, leisure may seem to contribute to family life satisfaction, but marital relationships and household economy has to be settled beforehand.

• Korean Journal of Health Education and Promotion
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• v.23 no.5
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• pp.47-73
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• 2006

Objectives: This study aims to identify gaps between knowledge regarding migration and the spread of HIV/AIDS, to improve understanding of migrants with HIV/AIDS and their human rights, and to make suggestions for Korean policy makers to reform laws and policies towards granting migrants with HIV/AIDS more human rights and access to treatment and care. Methods: This study is based on an extensive literature review, questionnaire surveys and in-depth interviews from randomly selected 8 countries from 5 different continents: Japan from Asia; Australia from Oceania; Finland, Germany, Ireland and United Kingdom(UK) from Europe; and Canada and United States of America(USA) in North America. Results: This study has found that Korea has a discriminating policy regarding HIV/AIDS and foreigners. Classifying HIV/AIDS into a legal communicable disease, it requires a presentation of HIV/AIDS test results from foreigners wanting a long-term stay before entering. In principle, foreigners with HIV/AIDS cannot either enter or stay in Korea. If they are known infected with HIV/AIDS by any reason, they became to face an immediate deportation regardless of their sojourn statuses and purposes. Conclusion: With the results, this study suggests three reasons why Korean government needs to change the current HIV/AIDS policy on foreigners: 1) HIV-related travel restrictions have no public health justification, 2) its strict HIV/AIDS policy on foreigners could result in restriction on the mobility and migration of its people by the other countries, inversely, and 3) it needs to meet international guidelines and to observe conventions that international organizations suggest to maintain its status as a member of the international society.

• International Area Studies Review
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• v.13 no.1
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• pp.17-38
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• 2009

The purpose of this study is to identify the Korean government's policies and responses to migrants with HIV/AIDS and their legal grounds, and to examine the effectiveness of the HIV/AIDS laws and regulations in preventing the spread of HIV/AIDS. For the purpose, this study have conducted an extensive literature review and in-depth interviews with relevant government officials, experts and NGO leaders in East Asian countries including Japan, Taiwan, Hong Kong, China and Mongolia. The results show that Korea maintains the strictest policies and implements strong rules and regulations against migrants with HIV, keeping them from entering and staying in the country by any means. Regarding the results, this study discusses issues and problems raised by the Korean government's HIV/AIDS policy for migrants in terms of public health and human rights.

• Journal of Agricultural Extension & Community Development
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• v.25 no.4
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• pp.211-224
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• 2018

The presence of agricultural and rural society in South Korea has been threatened due to aging as well as depopulation. This study aims to explore the Japanese support scheme for new farmers and the role of local group in new farmers' successful settlement in agricultural and rural society. The case study area is Biratori-cho, Hokkaido, Japan. Firstly, this study identified the systemic support scheme for new farmers of Biratori-cho, which provides with two years' training program, mentoring, rental housing and financial aid. Secondly, we focused on the birth and the supporting role of local group, which is called 'Neo-frontier'. Lastly, we analysed the relationship of new farmers and local residents based on the in-depth interview of 11 new farmers' household. As conclusions, we emphasized the value of quality-based support scheme of local government, unlike the quantity-based policy focused on the number of in-migrants. Also, we discussed the meaning of social network in new farmers' successful settlement in agricultural and rural society.

• Journal of Plant Biology
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• v.37 no.3
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• pp.277-284
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• 1994

I investigated levels of genetic diversity, population genetic structure, and gene flow in Hostacapitata, a herbaceous perennial native to South Korea and southwestern Japan. Starch gel electrophoresis was conducted on leaves collected from 310 plants in 19 Korean populations. Twenty-two of 25 putative loci examined were polymorphic in at least one populatin and the mean number of alleles per locus was 1.65. In addition, mean expected heterozygosity within populations (Hep=0.153) was higher than average values for species with similar life history traits. Significant differences in allele frequency were detected between populations at all loci (P<0.01), and slightly over 30% of the genetic variation was found among populatins (GST=0.308). Indirect estimates of the number of migrants per generation (Nm) (0.506, calculated from GST; 0.852, calculated from the mean frequency of ten private alleles) indicate that gene flow is restricted among the isolated Korean populations of H. capitata. Factors contributing to the high levels of genetic differentiation among populations of H. capitata include small and discrete populations, human disturbance, and low frequencies of pollinator foraging behavior.

• Journal of Life Science
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• v.12 no.1
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• pp.9-13
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• 2002

Crepidiastrum lanceolatum ($H_{OUTT}$) $N_{AKAI}$ (Compositae) is distributed in East Asia including Korea. Genetic diversity and population structure of six C. lanceolatum populations in Korea and two populations in Japan were determined using genetic variation at 19 allozyme loci. The percent of polymorphic loci within the enzymes was 42.1%. Genetic diversity at the species level and at the population level was low (Hes : 0.077; Hep : 0.068, respectively), where-as the extent of the population divergence was relatively low ($G_{ST}$ : 0.093). One of the most striking features of this study was the more significant difference within populations than among populations. An indirect estimate of the number of migrants per generation (Nm : 2.44) indicated that gene flow was moderate among eight populations of the species. In addition, analysis of fixation indices revealed a slight heterozygosity deficiency in some populations and at some loci. Narrow geographic ranges, short-lived perennial herbaceous, and small population sizes are mainly associated with the low level of genetic variation.n.

• Journal of Korean Society of Forest Science
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• v.97 no.2
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• pp.187-195
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• 2008

Picea jezoensis (Sieb. et Zucc.) Carriere is one of the major and widespread components of the cold-temperate and boreal forests in Russian Far East, northeast China, Korea, and Japan. However, it is restricted to a highly fragmented range in South Korea with small populations. Mean expected heterozygosity $(H_e)$ based on 22 loci in 11 isozyme systems was 0.077 for four sampled populations that covered the whole distribution range of P. jezoensis in South Korea. This value is within the range reported for conifers, but it is very low compared to that of other spruce species as well as that of P. jezoensis populations in Russian Far East. Most populations had a slight excess of heterozygotes and the Wright's $F_{IS}$ (-0.019) was comparable to that previously reported for other spruce species. In all of the four populations, the Wilcoxon sign-rank test indicated no greater heterozygosity than that expected for populations at mutation-drift equilibrium, suggesting that the populations have not been bottlenecked recently. Despite a fragmented range and isolated populations, population differentiation was not high $(F_{ST}=0.047)$ and the number of migrants per generation was 5.09. Nei's genetic distances were also small $({\bar{D}}=0.005)$ but strongly related to geographic distances between populations, suggesting an Isolation by Distance. The northernmost isolate, Mt. Gyebang population was genetically distinct from the other three populations. Implications for the conservation of genetic variation of P. jezoensis in South Korea were discussed.

• Korean Journal of Environment and Ecology
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• v.23 no.1
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• pp.50-55
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• 2009

To understand the status of the migrating Oriental Honey Buzzard(Pernis ptilorhynchus) in Korea, we carried out a preliminary study on the number and local movements of the Honey Buzzard from September 2005 to October 2007 at Hongdo Island, Jeonnam Province, Korea. A total of 702 Honey Buzzards in 2005, 404 individuals in 2006, and 659 individuals in 2007 were recorded during the fall migration season, but during the spring migration season only two and eight birds were observed in 2006 and 2007 respectively. The migrating Honey Buzzard showed peak numbers from 20 September to 5 October at the study site. According to observation of arrival time of538 Honey Buzzard in October 2007, a total of 2l6 birds(40.l %) were passing over Hongdo Island between 7:00 AM to 8:00 AM, rising skyward on columns of warm air. This suggests the use of thermal currents and avoidance of nocturnal movement for crossing water. They preferred moderate winds(<5 m/s in speed) from northwest, but the migrating number apparently decreased in case of strong winds (${\geqq}5 m/s$). This suggests that wind speed and direction are important environmental factors for migration of the Oriental Honey Buzzard. At present, it is unclear which breeding population(from north-eastern China or Japan) passes over Hongdo Island. Moreover, it is difficult to prove migration route and to understand migratory behaviors of the Oriental Honey Buzzard in Korea. To prove the breeding sites and routes of the migrants over the study site, we need more detailed and further studies such as satellite tracking researches.