• Title/Summary/Keyword: emigration

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The Analysis and Conservation of Patch Network of Endangered Butterfly Parnassius bremeri(Lepidoptera: Papilionidae) in Fragmented Landscapes (조각난 경관에서 멸종위기종 붉은점모시나비의 서식지 패치 네트워크 분석과 보전)

  • Kim, Do-Sung;Park, Seong-Joon;Cho, Young-Ho;Kim, Ki-Dong;Tho, Jae-Wha;Seo, Hyung-Soo;Shin, Young-Kyu;Suh, Min-Hwan;Oh, Gil-Jong
    • Korean journal of applied entomology
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    • v.51 no.1
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    • pp.23-31
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    • 2012
  • Understanding the ecological complexity and habitat of a species are crucially important to conserve an endangered species. This study evaluated the patch network ecology of the endangered species $Parnassius$ $bremeri$. The results indicated that 188 individuals were captured and 220 were recaptured, respectively. The sex ratio of female: male was 42:146; males were four times more abundant than females. The average longevity of an adult was $3.93{\pm}3.93$ days (male, $4.0{\pm}3.9$; female, $2.5{\pm}1.0$ days); the maximum longevity was 14 days for males and 13 days for females, respectively. Therefore, the expected longevity of males was longer than that of females. The average emigration distance for the species was 377 m, and the maximum emigration distance was 1550 m. The analysis of patch connectivity and individual colonization revealed that the ideal distance between patches was about 300 m. Moreover, a >600 m patch distance decreased the colonization rate severely. We also observed higher immigration and emigration between patches that were clustered in close proximity. This leads us to conclude that a higher number of patches at a close distance is best suited for $P.bremeri$. We find these results to be crucial to determine a policy to protect and conserve this endangered species.

Studies on the anti-infiammatory activity and its mechanism of daidzein (Daidzein의 항염작용과 그 작용기전에 관한 연구 (I))

  • 허인회;이상준;김형춘
    • YAKHAK HOEJI
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    • v.31 no.3
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    • pp.154-163
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    • 1987
  • Daidzein and its methyl derivatives were synthesized and their anti-inflammatory activities were examined. Daidzein suppressed the carrageenin-induced edema, but its methyl derivatives showed decrease or abolition of the anti-inflammatory effect. Daidzein did not significantly suppress the complete Freund's adjuvant-induced arthritis, and the mixed phlogistics (histamine+serotonin)-induced edema. Daidzein inhibited the leukocyte emigration and protein exudation when it was administered into the CMC pouch at low doses (5,25mg/pouch). Daidzein significantly suppressed the cotton-pellet granuloma formation.

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A Study on Modification and Expansion of Dewey Decimal Classification about Immigration Policy (이민정책 분야의 DDC 수정 전개 방안에 관한 연구)

  • Chung, Yeon-Kyoung
    • Journal of the Korean Society for information Management
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    • v.28 no.4
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    • pp.33-48
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    • 2011
  • This study investigated and analyzed various library classification systems and related literature in order to suggest some modifications and expansion of the Dewey Decimal Classification, the 23rd edition (DDC 23) in the area of immigration policy - an interdisciplinary subject - for the best information organization and services. First of all, definitions and scopes of the immigration policy were dealt with and then primary subject areas of it were selected. And then, DDC, Library of Congress Classification, Korean Decimal Classification, and Universal Decimal Classification were compared and analyzed according to the structures, headings and characteristics. Finally, modified classification schedules in immigration policy of the DDC 23 - the most frequently used one with an regular revision was proposed with their principles and main schedules with an auxiliary table. It can be used for an effective information organization in immigration policy area and it will be useful for many libraries and research institutes on immigration policy.

Impact of Generation on the Food Culture of Uzbekistan-Koreans : Comparison between Second and Third Generation (우즈베키스탄 고려인의 세대별 식생활 문화의 특성 : 고려인 2세대와 3세대 간의 비교를 중심으로)

  • Park, Young-Sun;Chung, Young-Sook
    • Journal of the East Asian Society of Dietary Life
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    • v.19 no.4
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    • pp.479-492
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    • 2009
  • The purpose of this study was to identify the impact of generation on the traditional food culture of Uzbekistan-Koreans. The generation of Uzbekistan-Koreans was divided into two groups i.e., the second and third generation. The second generation suffered from the compulsory emigration during 1930s because of the minority racial breakup policy by the Soviet Russia. The third generation was born after the compulsory emigration and the economic condition was much better for them. In terms of identifying traditional food culture, generation was an important factor because each generation had different social environments and different life styles. Data were collected from 634 Koreans living in Uzbekistan and analyzed by chi-square and correlation analysis. The results of this study revealed that the impact of generation was an important factor regarding the traditional food culture. Chi-square analysis showed that factors related to making a menu, food priority, and consideration of the person preparing the food were likely to vary depending on the generation. Also, reasons for preferring traditional food and preparing foods for family events as well as national holidays were different between the second and the third generation. The second generation preferred traditional food because of flavor, while the third generation preferred traditional food because of nutrition. For family events and national holidays such as New Year's Day, the second generation was more likely to prepare traditional foods than the third generation. The correlation analysis indicated that the relationship between preference and intake frequency of traditional foods was positively related, and the degree of correlation was higher for the second than the third generation. Similarities and differences between generations were discussed, and implications for food and nutrition specialists and food marketers were provided.

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Association Between Burnout and Intention to Emigrate in Peruvian health-care Workers

  • Anduaga-Beramendi, Alexander;Beas, Renato;Maticorena-Quevedo, Jesus;Mayta-Tristan, Percy
    • Safety and Health at Work
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    • v.10 no.1
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    • pp.80-86
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    • 2019
  • Background: Emigration of health-care workers is a problem within global health systems which affects many countries, including Peru. Several factors have caused health-care workers to emigrate, including burnout syndrome (BS). This study aims to identify the association between BS and its dimensions with the intention of physicians and nurses to emigrate from Peru in 2014. Methods: A cross-sectional study, based on a secondary analysis of the National Survey of Health Users (ENSUSALUD - 2014) was conducted. Sampling was probabilistic, considering the 24 departments of Peru. We include the questionnaire for physicians and nurses, accounting for 5062 workers. BS was measured by the Maslach Burnout Inventory-Human Services Survey. Adjusted odds ratio (OR) was calculated using multiple logistic regression. Results: Of the study population, 44.1% were physicians, 37.7% males, and 23.1% were working in Lima. It was found that 2.8% [95% confidence interval (CI): 2.19-3.45] of health-care workers had BS. The overall prevalence of intention to emigrate among health-care workers was 7.4% (95% CI: 6.36-8.40). Association was found between BS and intention to emigrate in Peruvian health-care workers (OR = 2.15; 95% CI: 1.05-4.40). Emotional exhaustion was the BS dimension most associated with intention to emigrate (OR = 1.80; 95% CI: 1.16-2.78). Conclusion: Physicians and nurses from Peru who suffered from BS were more likely to have intention to emigrate. Policies should be established to reduce BS as a strategy to control "brain drain" from health-care workers of Peru.

Anti-inflammatory Activities of Torilis japonica Fruit (사상자의 항염증작용)

  • Kim, Sang-Mee;Kim, Tae-Hee;Lee, Eun-Bang
    • Korean Journal of Pharmacognosy
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    • v.29 no.4
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    • pp.384-390
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    • 1998
  • The methanol extract of Torilis Fructus showed potent anti-edematous effect in carrageenan-induced paw edema in rats. Systematic fractionation of the extract with hexane, chloroform, ethyl acetate and butanol resulted in potent anti-edematous action only in hexane fraction at an oral dose of 237 mg/kg which is corresponding to 4.8 g of raw Fructus. This hexane fraction showed inhibitory effects at 77 mg/kg p.o on vascular permeability in mice, at 8mg/pouch on leucocyte emigration in rats, and at 120 mg/kg p.o. on adjuvant arthritis model in rats. These results demonstrate that hexane fraction of the extract possesses potent anti-inflammatory effect which may support its traditional uses.

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Pharmacological Studies on Forsythiae Fructus (연교(連翹)추출물의 일반(一般) 약리작용(藥理作用))

  • Lee, Eun-Bang;Keum, Hye-Jeong
    • Korean Journal of Pharmacognosy
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    • v.19 no.4
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    • pp.262-269
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    • 1988
  • The Forsythiae fructus is described to be used as an antiinflammatory drug, diuretics, antidotes and antibacterials in oriental literatures. In order to investigate the efficacy of Forsythiae viridissima (Oleaceae), the methanol extract and its fraction have been evaluated for the acute toxicity, antiinflammatory, analgesic and spasmolytic action in animals. The methanol extract of Forsythiae fructus was found to have significant antiinflammatory activity in the acute and subacute antiinflammatory model in rats, but have no analgesic action. Furthermore, through fractionation procedure, it was found that the active compounds were easily soluble in chloroform and butanol. It is also noted that the extracts had spasmolytic activities in the rat fundus and uterus and had low acute toxicity in mice.

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An Experimental Studies on the Effects of Chunggisan (淸肌散의 效能에 關한 實驗的 硏究)

  • Kim, Hye-Jeong;Chae, Byeong-Yun
    • The Journal of Korean Medicine Ophthalmology and Otolaryngology and Dermatology
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    • v.3 no.1
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    • pp.25-40
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    • 1990
  • Chunggisan has been widely used in treatment of urticaria which is based on. Oriental Medical literatures. These studies were attempted experimental effects of chunggisan on the analgesia, sedation, antipyretic, anti-inflammatory and isolated illeum of the experimental animals. The result of the studies were as follows: 1. The inhibitory effect was recognized on the Analgesic study by the Acetic acid Method in mice. 2. The spontaneous momentum of mice was restricted and the duration of Hypnosis induced by pentobarbital-sodium in mice was prolonged. 3. Anti-inflammatory effect was recognized significantly on the rat hind paws edema induced by dextran. 4. The inhibitory effect of leukocyte emigration was recognized by the CMC airpouch method of rats. 5. The inhibitory effect was noted on capillary permeability induced by histamin in mice. 6. Spontaneous mobilities in isolated ileum of mice were significantly suppressed, and contraction by acetylcholine, barium chloride and histamine were inhibited. According to the above results, it is expected that chunggisan can be widely used in treatment of urticaria.

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A Study on the Present State of A Ferry and Wade Village Tuman Riverside in China (두만강 북안 도선·도섭장 마을의 분포현황에 대한 연구)

  • Lin, Jinhua;Kim, Sungjung;Kim, Taiyoung;Chang, Taihyun;Choi, Hyoseung
    • Journal of the Korean Institute of Rural Architecture
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    • v.8 no.1
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    • pp.52-61
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    • 2006
  • From the mid-nineteenth century, Korean have emigrated to Tumen riverside. Their communities have different characters in accordance with the time, intention, and birthplace of emigrants who inclined to keep their fradifin and culture. There are many causes about the formation of communities influenced by Dynasty's Policy in 1885, one of the reasons is to approve Han Min Zhuan Ken Di Qu(legal land development right for Korean immigrants), and provide land development district for Korean immigrants in the north region of Tumen river from 1885. In Tumen riverside, 69 Ferry and wade viuaces have existed for more than 90 years By and large, 21 communities and distributed in He-Long city, 28 communities in Long-Jing city, and 10 communities in tu-men city, and 10 communities in Hun-Chun city.

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Studies on the Enumeration of Population of Spawning Salmon (표식율법에 의한 연어 산란미수의 추정에 대하여)

  • Kim, Wan Soo
    • 한국해양학회지
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    • v.6 no.2
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    • pp.104-106
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    • 1971
  • In enumerating salmon spawning population by the tag-recovery method, the error caused by the emigration of the tagged fish into the non-statistical area and the misjudgement of the tagged fish as untagged, which is caused by bear predation, appear to give a bias to the estimate of population size. Efforts were made in the present study to remove such bias by estimating population size under certain assumtion and by introducing a correction equation for the sample tag-ratios.

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