• Title/Summary/Keyword: Living Resources

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Assessment on the Productivity of Mytilus galloprovincialis on the Mussel Culture Ground in Jinhae Bay (진해만 담치 양식장내 지중해담치의 생산력 평가)

  • Park, Heung-Sik;Yi, Soon-Kil;Paik, Sang-Gyu
    • The Korean Journal of Malacology
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    • v.20 no.1
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    • pp.45-53
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    • 2004
  • This study have conducted to calibrate the productivities on the mussel (Mytilus galloprovincialis) cultures in Jinhae Bay. Annual water temperature, salinity and dissolved oxygen have varied to 7.2-$25.9^{\circ}C$, 32.9-34.0 psu, 7.9-8.7 mg/l, respectively. In April, the smallest size of spat, 3.3 mm in shell length, have recruited, and 82.5 mm have recorded to the maximum. In summer, variations of growing up between individuals showed both shell length and weights at same cohort. Annual production at 2 m, 5 m, 8 m depth calculated to 10.91, 10.85 and 9.19 gWWt/ind./yr, respectively. Mussel cultivated in the upper part of the water column (two meter depth) were significantly longer and heavier than those in lower part (eight meter depth). After the recruitment, monthly production showed gradual increment at all positions during summer. As results, annual production of mussel cultivated seemed to be controlled by conditions of growing up in summer. Based on the productivities calculated to this study, the total annual production of the mussel cultivated in Jinhae Bay have estimated about 196 ton/ha/yr.

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New-generation Married Women결s Joint Participation in Decision-Making and Home Management Satisfaction (신세대 기혼여성의 의사결정 공동참여와 가정관리만족도)

  • 이정우;박은아
    • Journal of Family Resource Management and Policy Review
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    • v.5 no.1
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    • pp.97-110
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    • 2001
  • This study was designed to examine the effect of joint participation in decision-making on the home management satisfaction of new-generation married women, which will issue basic data for improving the quality of new-generation home life. The sample was composed of 371 married women under 39years old, selected by age and the local distribution. Major findings are as follows. 1) New-generation married women’s joint participation in decision-making showed a significant difference by degree of communication, perception of the adequacy of resources, perception of the level of living. Home management satisfaction shoed a significant difference by state of employment, existence of children, sex role attitudes, degree of communication, perception of the adequacy of resources, perception of the level of living. 2) The more a couple participated in decision-making about eating and children, the higher level a new-generation married women showed in home management satisfaction. 3) The main variables predicating new-generation married women’s home management satisfaction was perception of the adequacy of resources, perception of the level of living, gender role attitudes, existence of children, joint participation in decision-making about eating and children. They accounted for 36% of the variance.

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First report of five free-living nematode species(Nematoda: Rhabditida) from Korea

  • Kang, Heonil;Seo, Jongmin;Kim, Donggeun;Bae, Changhwan;Kim, Yongchul;Choi, Insoo
    • Journal of Species Research
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    • v.8 no.3
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    • pp.259-267
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    • 2019
  • Five free-living nematode species belonging to the order of Rhabditida are described for the first time in Korea. Two unrecorded species of Rhabditidae, Cruznema tripartitum (Linston, 1906) Zullini, 1982, and Poikilolaimus oxycerca de Man, 1895, and one species of Peloderidae, Pelodera strongyloides Schneider, 1860, were collected in Korea. C. tripartitum has nine pairs of genital papillae arranged in 2+2+1+4 differently from similar species of C. scarabaeum which has ten genital papillae arranged in 2+1+4+3. Poikilolaimus oxycerca has shorter tail (shorter than anal body diameter) compared to similar species of P. regenfussi which has longer tail(longer than anal body diameter). Pelodera strongyloides has shorter tail(1-1.5 times anal body diameters long) than P. punctata (4 anal body diameters long). Two unrecorded species of Panagrolaimidae, Panagrolaimus apicatus Schuurmans Stekhoven & Teunissen, 1938 and Panagrolaimus rigidus (Schneider, 1866) Thorne, 1937 were collected in Korea. P. apicatus has rounded and lower lip compared to similar species, P. margaretae Massey, 1964 which has finely pointed lip. P. rigidus has slender tail and lips rounded and flat barely separated when compared to similar species, P. subelongatus(Cobb, 1914) Thorne, 1937 which has plumper tail and lips are well separated.

Qualitative Case Study on Psychosocial Resources of North Korean Female Defectors Living in South Korea (북한이탈여성들의 심리사회적자원에 관한 질적사례연구)

  • Jun, Joo Ram
    • Journal of Family Relations
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    • v.20 no.4
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    • pp.47-72
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    • 2016
  • According to the survey by the Ministry of Unification, 28,133 live in South Korea as of september 2015 and the number has been steadily increased. It is interesting to note that the majority of defectors were women. Statistics say that the total of women defectors was 1,138 in 2002 and consisted of 55.5%. But the number increased to 2,706 in 2011 and consisted of 70.5%(Wikipedia, 2015). Most of them have trauma, because they experienced terrible events like prostitution, sexual abuse, domestic violence, etc. while they were living in South Korea. They had to get over a lot of challenges they never expected. They had to do whatever they need to do for their survival in South Korea as well as in North Korea. Objectives: This study focuses on identifying the psychosocial resources available for them in order to help them out living here. Method: For this purpose, this study conducted unstructured in-depth interviews with four women defectors from North Korea. Their age bracket is between the ages of 50 and 58 and they have stayed over five years in South Korea. They were recommended by social welfare workers, who had dealt with them over 20 years. For the reliability of this study, the three methods were performed such as three-month close relationship, three-person triangular verification, and diversification of resources-the field notes and observation notes. Results: As a result of this study, the resources may be labeled into three main clusters of themes such as 1) Self-Preservation - 'Self-Love', 'Family-Attachment', 'Share the Goods', 'Live in Harmony', 'Avoidance of conflict'; 2) Self-Conquest - 'Endurance', 'Earnestness and Effort', 'My own Activities', 'Chat', 'Put Down', 'Appreciation and Optimism'; 3) Self-Presence Awareness - 'I was a Precious Daughter', 'I am Mother'. Also there are thirteen sub categories to be considered. Conclusions: This study focuses on identifying how women defectors have used or can use the psychosocial resources available for them, rather than what they have struggled with. It is meaningful to identify in a positive light that this study provides how they have adjusted to a totally different context for their survival and what psychosocial resources they have used. This study can give an idea about how they may receive proper and practical help from the government programs in order to become better used to new living circumstances in South Korea. As well, this study can provide meaningful criteria and guidance with family life educators for women defectors and social workers working in counseling and social welfare areas. This study contributes to better understanding about how they are using these psychosocial resources.

A Study on Life Style of Rural Homemakers (농촌주부의 가정생활양식에 관한 연구)

  • 박선화;채옥희
    • Korean Journal of Rural Living Science
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    • v.7 no.1
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    • pp.69-80
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    • 1996
  • The purpose of this study is to offer basic data of education to improve farm lives though investigating rural homemakers' life style. The results of this study are as follows : 1. The life structure of rural homemakers was classified into two structures as a material resources and human resources. The life style of rural homemakers was classified into systematical life style, traditional value style, social active style, and progressive active style. 2. The life styles of rural homemakers according to social population variance were as follows. The lower of age, homemakers whose family incomes more 30 million won or below 10 million won, who has religions, who employed in livestock were showed at very systematical life style. The homemakers who live in mountain village, higher the much age becomes, and the education level become lower, have showed traditional value style. Rural homemakers the lower of age, the higher incomes, composed of single parent + children who remain single were appeared social active style. Rural homemakers the lower of age, the more shortened farm life periods, who employed in livestock were appeared progressive active style. 3. Systematical life style was more affected by material resources structure, traditional value style was affected by material resources. And social active style was more affected by human resources, progressive active style was affected by human resources.

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Immunomodulatory Effects of Dietary Safflower Leaf in Chickens

  • Lee, Sung-Hyen;Lillehoj, Hyun S.;Cho, Soo-Muk;Park, Dong-Woon;Hong, Yeong-Ho;Chun, Hye-Kyung;Lillehoj, Erik P.
    • The Korean Journal of Community Living Science
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    • v.18 no.4
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    • pp.715-724
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    • 2007
  • 홍화 (Carthamus tinctorius)는 오래 전부터 각종 감염성 질환이나 암을 치료하는데 효과가 있는 것으로 알려져 왔다. 최근 각종 천연산물에 사람과 동물의 건강을 증진시키는 효과가 있는 것이 밝혀지면서, 홍화의 면역조절 효과에 대한 관심이 높아지고 있으나 이에 대한 과학적 자료가 부족한 실정이다. 따라서, 본 연구는 홍화의 면역 조절 활성을 확인하기 위해 수행되었으며, 면역능 실험을 위해 주로 이용되는 실험용 닭(White Leghorn chickens)에게 홍화잎을 첨가한 실험식이를 3주간 급여한 후 관련 요인들을 분석하였다. 실험 결과, 홍화잎을 섭취한 실험동물에서 비장 면역세포의 증식이 많았고, $Y{\delta}$-TCR+ 세포의 비율이 높아졌으며, 십이지장에서는 IFN-Y, IL-8, IL-10, IL-15 및 NK-lysin 같은 사이토카인의 발현이 높아졌다. 따라서, 홍화잎은 식이와 함께 급여하였을 때 면역 증강 효과가 있는 것으로 밝혀졌으며, 홍화잎을 이용한 각종 제품 개발이 기대된다.

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Family Ties between Aging Parents and Adult Children Living in Separate Households: Social Support from a Social Exchange Perspective (노부모와 별거 성인자녀와의 가족유대: 정서적 지원에 대한 교환이론적 접근)

  • 정기원
    • Korea journal of population studies
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    • v.24 no.1
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    • pp.123-148
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    • 2001
  • This study explores the factors affecting emotional support between aging parents and adult children living in separate households. With a social exchange perspective on intergenerational family relationship as theoretical framework, the effects of aging parents\` demographic characteristics, potential reward resources. and need for care were tested by analyzing data collected from 2.535 persons aged 65 and over in 9,355 sample households of \`National Survey of Living Status and Welfare Needs of the Elders-1998\`. The statistical analysis of 2,205 aging parents with adult children living in seperate households reveals that the aging parents who have potential reward resources are provided more emotional support by their children than the aging parents without resources are. Findings also show that the elders who live in same households with their own children, and need help from other people with instrumental activities of daily living obtain less emotional support from their children living in separate households. The empirical findings of this study support the social exchange perspectives on family ties between aging parents and adult children living in separate households. but only 8.9 per cents of variance in degree of emotional support is explained by the variables included in the model.

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Study of Factors Influencing Depression among Elderly Women Living Alone in Rural Community Living Homes (농촌 공동생활홈 이용에 따른 여성 독거노인의 우울 영향 요인 연구)

  • Choi, Jung Shin;Choi, Yoon Ji
    • The Korean Journal of Community Living Science
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    • v.27 no.spc
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    • pp.625-634
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    • 2016
  • This study aims to verify the effect of the rural community living home use through an analysis of depression among the elderly women who live alone in the rural community living home. A survey was conducted from July to September 2015 through direct interviews with 236 elderly people who live alone in community living homes at 52 locations across the country. The main results of this study are as follows. First, social support from family/relatives and neighbors/friends was found not to affect depression in the elderly living in community living homes. Second, satisfaction with health status, economic status and life appeared to affect their depression. This indicates the need for various measures to increase the subjective satisfaction of health. Third, when the demographic characteristics, social support and personal satisfaction were controlled, the period of use, satisfaction with use and operational service/no service were proven to have an impact on depression in the elderly living alone in community living homes. In other words, since the level of satisfaction with community living homes is very high and this has a positive impact on the elderly living in community living homes, it is desirable to have an ongoing policy for the homes to be utilized as important welfare resources. Based on these findings, this study proposes improvements in the user experience and programs and services offered for rural community living home business programs.

Utilization of the Bulking Agents for Environment-friendly Toilet in Rural Village (농촌마을에서 자연발효형 화장실의 통기성 매질 이용에 관한 연구)

  • Kang Bang-Hun;Cho Soon-Jae
    • The Korean Journal of Community Living Science
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    • v.17 no.2
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    • pp.105-112
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    • 2006
  • The biodegradability test of bulking agents in feces composting process is conducted to increase the management efficiency for environment-friendly rural toilet developed by National Rural Resource Institute in 2001. In the case study through references and field study, ash, fallen leaves, and wood chips are commonly used in the ecological toilet. Extension officers and farmers prefer rice straw, fallen leaves, and chaff among the rural resources as a bulking agents in the aspect of getting and storage as the result of questionnaire survey. As the result of biodegradability test including the temperature change, $CO_2$ gas production, and C/N ratio change of composting pile under the condition of aerobic composting apparatus, rice straw and chaff are good bulking agents for environment-friendly rural toilet. It is recommended that easy getting materials among the above mentioned materials are used for bulking agents as the region and season in environment-friendly rural toilet.

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Freshwater bryozoans of Korea-observations on living colonies and three new records

  • Hyun Sook Chae;Hyun Jong Kil;Ho Jin Yang;Ji Eun Seo
    • Journal of Species Research
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    • v.13 no.1
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    • pp.50-60
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    • 2024
  • We performed a taxonomic study on Korean freshwater bryozoans with the materials collected from 70 localities during 2014 to 2016. A total of 14 Korean freshwater bryozoans are reported through this study. Among them, three Plumatellids, Plumatella fungosa (Pallas, 1768), P. repens (Linnaeus, 1758), and P. reticulata Wood, 1988, are newly added to the Korean fauna. Three species were redescribed with only their statoblasts: Lophopodella carteri, Plumatella rugosa, and Stephanosella hina (Seo, 1998; 2005; Chae et al., 2016). Their colonies were found in Korea for the first time in this study. Since Fredericella sultana, Hyalinella punctata, and Plumatella casmiana were reported from Korea (Toriumi, 1941), neither statoblast nor colony has been found, but we observed them. Living colonies of six species were photographed in the field. Furthermore, the statoblasts of nine species, including three species new to the Korean fauna, were also documented using scanning electron microscopy.