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Article ; Online: Endozoochorous seed dispersal by Korean water deer (Hydropotes inermis argyropus) in Taehwa Research Forest, South Korea

Seung-Kyung Lee / Youngil Ryu / Eun Ju Lee

Global Ecology and Conservation, Vol 40, Iss , Pp e02325- (2022)

2022

Abstract: Endozoochorous seed dispersal by ungulates can facilitate the dispersal of seeds over long distances. Endozoochorous seed dispersal can also result in the ecological filtering of plant species by dispersing plant seeds with distinctive traits. The Korean ...

Abstract	Endozoochorous seed dispersal by ungulates can facilitate the dispersal of seeds over long distances. Endozoochorous seed dispersal can also result in the ecological filtering of plant species by dispersing plant seeds with distinctive traits. The Korean water deer (Hydropotes inermis argyropus) is a potential long-distance seed dispersal vector in lowland areas of South Korea. In this study, to test the endozoochorous seed dispersal role of Korean water deer in forested areas, we collected 202 fresh fecal pellet group samples in Taehwa Research Forest, Gwangju City, Gyeonggi Province, South Korea. Additionally, we conducted a vegetation survey to compare the traits of dispersed seeds from feces with the seed traits of flora in the study site. To test whether the composition of species traits dispersed by endozoochory is consistent with that of lowland areas, which consist of forested hills, arable land, and wetlands, we compared the results with a former study conducted in the lowlands. From the seedling emergence method applied to feces, we found a total of 22 species and 115 seedlings. Among 202 fecal pellet groups, 19.8% had at least one germinable seed. Species of forbs, with small-sized seeds (≤2 mm in length), from open habitat, and seeds without special morphology for dispersal are most frequently dispersed through Korean water deer endozoochory. These traits were consistent with the former endozoochory study conducted in a lowland area, irrespective of the different available flora. Therefore, we suggest that deer can potentially disperse seeds with the aforementioned traits to forest plant communities, acting as a consistent ecological filter through endozoochory.
Keywords	Endozoochory ; Forest habitat ; Korean water deer ; Plant-animal interactions ; Taehwa Research Forest ; Ecology ; QH540-549.5
Language	English
Publishing date	2022-12-01T00:00:00Z
Publisher	Elsevier
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Factors Influencing Emergency Department Nurses’ Compliance with Standard Precautions Using Multilevel Analysis

Su Jung Kim / Eun Ju Lee

International Journal of Environmental Research and Public Health, Vol 18, Iss 6149, p

2021 Volume 6149

Abstract: Standard precautions protect patients and nurses from infection. Nevertheless, compliance with standard precautions is lower among emergency department nurses than other nurses. We examined the individual and organizational factors that influence ... ...

Abstract	Standard precautions protect patients and nurses from infection. Nevertheless, compliance with standard precautions is lower among emergency department nurses than other nurses. We examined the individual and organizational factors that influence emergency department nurses’ compliance with standard precautions via a cross-sectional study. A self-reported questionnaire survey was administered to 140 nurses working in nine emergency departments in South Korea. It included items regarding ethical awareness and standard precaution self-efficacy at the individual level as well as safety environment, organizational culture for infection control, and degree of compliance with standard precautions at the organizational level. Individual and organizational predictors were identified using a multilevel analysis. The results indicated that 81.1% of nurses’ compliance with standard precautions was influenced by individual differences, while only 18.9% was influenced by organizational differences. Individual- and organizational-level predictors explained 46.7% and 55.4% of the variance in emergency department nurses’ compliance with standard precautions, respectively. Emergency department nurses’ compliance with standard precautions was predicted by ethical awareness and standard precaution self-efficacy at the individual level and by organizational culture for infection control at the organizational level. Our findings provide evidence for the need to improve facilities and human resource management as well as the organizational culture for infection control.
Keywords	emergency department ; multilevel analysis ; precautions ; standards of care ; Medicine ; R
Subject code	320
Language	English
Publishing date	2021-06-01T00:00:00Z
Publisher	MDPI AG
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Therapeutic Applications of Ginseng Natural Compounds for Health Management

Syed Sayeed Ahmad / Khurshid Ahmad / Ye Chan Hwang / Eun Ju Lee / Inho Choi

International Journal of Molecular Sciences, Vol 24, Iss 24, p

2023 Volume 17290

Abstract: Ginseng is usually consumed as a daily food supplement to improve health and has been shown to benefit skeletal muscle, improve glucose metabolism, and ameliorate muscle-wasting conditions, cardiovascular diseases, stroke, and the effects of aging and ... ...

Abstract	Ginseng is usually consumed as a daily food supplement to improve health and has been shown to benefit skeletal muscle, improve glucose metabolism, and ameliorate muscle-wasting conditions, cardiovascular diseases, stroke, and the effects of aging and cancers. Ginseng has also been reported to help maintain bone strength and liver (digestion, metabolism, detoxification, and protein synthesis) and kidney functions. In addition, ginseng is often used to treat age-associated neurodegenerative disorders, and ginseng and ginseng-derived natural products are popular natural remedies for diseases such as diabetes, obesity, oxidative stress, and inflammation, as well as fungal, bacterial, and viral infections. Ginseng is a well-known herbal medication, known to alleviate the actions of several cytokines. The article concludes with future directions and significant application of ginseng compounds for researchers in understanding the promising role of ginseng in the treatment of several diseases. Overall, this study was undertaken to highlight the broad-spectrum therapeutic applications of ginseng compounds for health management.
Keywords	ginseng ; compounds ; treatment ; disease ; mechanism ; Biology (General) ; QH301-705.5 ; Chemistry ; QD1-999
Subject code	540
Language	English
Publishing date	2023-12-01T00:00:00Z
Publisher	MDPI AG
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Factors Affecting Quality of Work Life in a Sample of Cancer Survivor Female Nurses

Ju Hyun Jin / Eun Ju Lee

Medicina, Vol 56, Iss 721, p

2020 Volume 721

Abstract: Background and objectives: Identifying the factors affecting the Quality of Work Life (QWL) of cancer survivor female nurses is important and necessary to overcome the various challenges experienced by these professionals upon returning to work following ...

Abstract	Background and objectives: Identifying the factors affecting the Quality of Work Life (QWL) of cancer survivor female nurses is important and necessary to overcome the various challenges experienced by these professionals upon returning to work following recovery from the disease. Therefore, this study aimed to identify the factors affecting the level of nurses’ QWL. Materials and Methods: A cross-sectional survey was conducted among 115 registered female nurses who had survived cancer, in general hospitals and clinics in South Korea. SPSS statistics version 21 was used for ordinary least squares, and Stata version 12.0 was used for quantile regression analysis. Results: Workplace spirituality affected all quantiles of QWL except the 90% quantile; fatigue was an affecting factor in the 20%, 30%, and 70% quantiles; and job stress in the 20%, 30%, 40%, and 60%, 70%, 80% quantiles. For workplace spirituality, the effect size was 0.33 ( p < 0.001) in the 10% quantile, increasing to 0.45 ( p < 0.001) in the 80% quantile. Conclusions: Based on the results of this study, suggestions for clinical practice include providing the mediating strategies and programs to manage fatigue and job stress as well as workplace spirituality. Job-related factors such as shift work should also be considered.
Keywords	cancer survivors ; fatigue ; job stress ; workplace spirituality ; quality of work life ; Medicine (General) ; R5-920
Subject code	150
Language	English
Publishing date	2020-12-01T00:00:00Z
Publisher	MDPI AG
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Internationally vulnerable Korean water deer (Hydropotes inermis argyropus) can act as an ecological filter by endozoochory

Seung-Kyung Lee / Eun Ju Lee

Global Ecology and Conservation, Vol 24, Iss , Pp e01368- (2020)

2020

Abstract: Seeds dispersed by endozoochory by large herbivores are disseminated over long distances, which has potential impacts on vegetation dynamics within a region. The Korean water deer (Hydropotes inermis argyropus) is a dominant deer species in South Korea, ... ...

Abstract	Seeds dispersed by endozoochory by large herbivores are disseminated over long distances, which has potential impacts on vegetation dynamics within a region. The Korean water deer (Hydropotes inermis argyropus) is a dominant deer species in South Korea, but is considered a vulnerable species internationally. In the present study, we aimed to elucidate the role of Korean water deer in seed dispersal in lowland areas where land-use change is occurring. We assessed seasonal differences in seed dispersal in Korean water deer, and the traits of seeds dispersed in this manner. We identified species dispersed by controlled germination using Korean water deer fecal samples from the Civilian Control Zone adjacent to the Demilitarized Zone between South and North Korea, a mixed lowland habitat of forest and open area. A total of 208 fecal pellet groups were collected throughout the year from April 2017 to March 2018. We found a total of 35 plant species from the deer feces. More seeds and species were dispersed in fall, the main seeding period in South Korea. Dispersed plant species were mainly forbs that were specific to lowland areas and had medium (1–2 mm) seeds with no specific dispersal adaptations. Our results suggest that Korean water deer preferentially disperse particular plant species. They disperse disproportionately more graminoids, species from open areas, shorter than 2 mm, with no special adaptation, and specifically without fleshy/edible fruits, which may result in ecological filtering. We conclude that Korean water deer, as an endozoochorous seed dispersal vector in the lowland of South Korea, can affect plant populations and communities in the region.
Keywords	Endozoochory ; Seed dispersal ; Korean water deer ; Hydropotes inermis argyropus ; Plant-animal interactions ; Demilitarized zone ; Ecology ; QH540-549.5
Language	English
Publishing date	2020-12-01T00:00:00Z
Publisher	Elsevier
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Whole-Genome Sequencing Reveals Age-Specific Changes in the Human Blood Microbiota

Eun-Ju Lee / Joohon Sung / Hyung-Lae Kim / Han-Na Kim

Journal of Personalized Medicine, Vol 12, Iss 939, p

2022 Volume 939

Abstract: Based on several reports that indicate the presence of blood microbiota in patients with diseases, we became interested in identifying the presence of bacteria in the blood of healthy individuals. Using 37 samples from 5 families, we extracted sequences ... ...

Abstract	Based on several reports that indicate the presence of blood microbiota in patients with diseases, we became interested in identifying the presence of bacteria in the blood of healthy individuals. Using 37 samples from 5 families, we extracted sequences that were not mapped to the human reference genome and mapped them to the bacterial reference genome for characterization. Proteobacteria account for more than 95% of the blood microbiota. The results of clustering by means of principal component analysis showed similar patterns for each age group. We observed that the class Gammaproteobacteria was significantly higher in the elderly group (over 60 years old), whereas the arcsine square root-transformed relative abundance of the classes Alphaproteobacteria, Deltaproteobacteria, and Clostridia was significantly lower ( p < 0.05). In addition, the diversity among the groups showed a significant difference ( p < 0.05) in the elderly group. This result provides meaningful evidence of a consistent phenomenon that chronic diseases associated with aging are accompanied by metabolic endotoxemia and chronic inflammation.
Keywords	blood microbiota ; whole-genome sequencing ; unmapped reads ; age ; Medicine ; R
Language	English
Publishing date	2022-06-01T00:00:00Z
Publisher	MDPI AG
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: The Mediating Effect of Workplace Spirituality on the Relation between Job Stress and Job Satisfaction of Cancer Survivors Returning to Work

Ju-Hyun Jin / Eun-Ju Lee

International Journal of Environmental Research and Public Health, Vol 16, Iss 19, p

2019 Volume 3510

Abstract: This study aimed to investigate the mediating effect of workplace spirituality in the relation between job stress and job satisfaction as well as the level of job stress, job satisfaction, and workplace spirituality of cancer survivors returning to work. ...

Abstract	This study aimed to investigate the mediating effect of workplace spirituality in the relation between job stress and job satisfaction as well as the level of job stress, job satisfaction, and workplace spirituality of cancer survivors returning to work. A total of 126 cancer survivors who returned to work more than six months prior to the research participated in this study. Participants were recruited through snowball sampling; they were visiting the outpatient clinic at two general hospitals located in a metropolitan city and their clinical stage was stage 0 or stage 1. The collected data were analyzed using SPSS 22.0. Job stress, workplace spirituality, and job satisfaction had a negative correlation, whereas workplace spirituality and job satisfaction had a positive correlation. The Sobel test was performed to verify the significance of the mediating effect size of workplace adaptation, the results confirmed a partial mediating effect of workplace spirituality on the relation between job stress and job satisfaction (Z = −4.72, p < 0.001). This study confirmed the mediating effect of workplace spirituality in the relation between job stress and job satisfaction. A systematic program needs to be developed to enhance workplace spirituality, a spiritual approach, to relieve job stress and increase job satisfaction.
Keywords	quality of working life ; cancer survivors ; workplace spirituality ; job stress ; job satisfaction ; Medicine ; R
Subject code	331
Language	English
Publishing date	2019-09-01T00:00:00Z
Publisher	MDPI AG
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Factors Affecting Self-Care Behavior Levels among Elderly Patients with Type 2 Diabetes

Min Young Kim / Eun Ju Lee

Medicina, Vol 55, Iss 7, p

A Quantile Regression Approach

2019 Volume 340

Abstract: Background and objectives: Identifying factors that affect self-care according to low, middle, and high self-care levels among elderly patients with diabetes is the best way to prevent various life-threatening complications, and this can be accomplished ... ...

Abstract	Background and objectives: Identifying factors that affect self-care according to low, middle, and high self-care levels among elderly patients with diabetes is the best way to prevent various life-threatening complications, and this can be accomplished by using an individualized approach to improve self-care. A quantile regression model is beneficial for estimating such factors because it allows the consideration of the entire conditional distribution of a dependent variable as it relates to independent variables. The objective of this study was to identify factors that affect self-care among elderly patients with diabetes using quantile regression. Materials and Methods: A cross-sectional survey of elderly patients with diabetes was conducted using the Self-Care Scale and six other related scales at three medical health centers in South Korea. Results: In the 10% quantile, the factors affecting self-care were age, smoking within the past six months, being educated about diabetes, depression, knowledge related to diabetes, self-efficacy, diabetes distress, and family support. Additional factors were as follows: age, smoking within the past six months, self-efficacy, and diabetes distress in the 25% quantile; age, self-efficacy, perceived health status, and diabetes distress in the 50% quantile; age, self-efficacy, perceived health status, and diabetes distress in the 75% quantile; and self-efficacy and perceived health status in the 90% quantile. Conclusions: Based on the results of this study, suggestions include providing education for sub-groups incapable of self-care, teaching stress management strategies, and increasing family support. In addition, for individuals capable of self-care, simplified programs that consist of self-efficacy improvement and stress control strategies are necessary.
Keywords	elderly ; diabetes ; self-care ; quantitative methods ; Medicine (General) ; R5-920
Subject code	310
Language	English
Publishing date	2019-07-01T00:00:00Z
Publisher	MDPI AG
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article: Giant Ragweed Invasion is Not Well Controlled by Biotic Resistance

Byun, Chaeho / Eun Ju Lee

Journal of plant biology. 2018 Oct., v. 61, no. 5

2018

Abstract: The effect of native plant restoration on invasion by giant ragweed (Ambrosia trifida), an invasive species, is currently unknown. We hypothesized that (1) functional group identity would be a good predictor of biotic resistance to A. trifida, and (2) ... ...

Abstract	The effect of native plant restoration on invasion by giant ragweed (Ambrosia trifida), an invasive species, is currently unknown. We hypothesized that (1) functional group identity would be a good predictor of biotic resistance to A. trifida, and (2) mixtures of species would be more resistant to invasion than monocultures. Using seven functional traits, 37 native and non-native plants were divided into three functional groups that differed primarily in longevity and woodiness. We conducted a competition experiment using an additive competition design with A. trifida and monocultures or mixtures of 14 species. Biotic resistance was evaluated by calculating a relative competition index (RCIₐᵥg) based on the average performance of A. trifida in treatments compared with that in control. In monocultures, RCIₐᵥg of resident plants did not significantly differ among the three functional groups or within each functional group. The highest RCIₐᵥg (40%) was observed for some fast-growing annuals (FG1) such as Zea mays and Secale cereal, which were strong competitors. RCIₐᵥg of resident plants was not significantly greater in mixtures than in monocultures. Taken together, the results show that plant diversity did not control invasion by A. trifida and that giant ragweed invasion cannot be well controlled by biotic resistance.
Keywords	Ambrosia trifida ; Secale ; Zea mays ; annuals ; indigenous species ; introduced plants ; invasive species ; longevity ; species diversity
Language	English
Dates of publication	2018-10
Size	p. 301-308.
Publishing place	Springer Berlin Heidelberg
Document type	Article
ZDB-ID	2262362-0
ISSN	1867-0725 ; 1226-9239
ISSN (online)	1867-0725
ISSN	1226-9239
DOI	10.1007/s12374-017-0472-6
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Long-Term Land Cover Changes in the Western Part of the Korean Demilitarized Zone

Jae Hyun Kim / Shinyeong Park / Seung Ho Kim / Eun Ju Lee

Land, Vol 10, Iss 708, p

2021 Volume 708

Abstract: After the Korean War, human access to the Korean Demilitarized Zone (DMZ) was highly restricted. However, limited agricultural activity was allowed in the Civilian Control Zone (CCZ) surrounding the DMZ. In this study, land cover and vegetation changes ... ...

Abstract	After the Korean War, human access to the Korean Demilitarized Zone (DMZ) was highly restricted. However, limited agricultural activity was allowed in the Civilian Control Zone (CCZ) surrounding the DMZ. In this study, land cover and vegetation changes in the western DMZ and CCZ from 1919 to 2017 were investigated. Coniferous forests were nearly completely destroyed during the war and were then converted to deciduous forests by ecological succession. Plains in the DMZ and CCZ areas showed different patterns of land cover changes. In the DMZ, pre-war rice paddies were gradually transformed into grasslands. These grasslands have not returned to forest, and this may be explained by wildfires set for military purposes or hydrological fluctuations in floodplains. Grasslands near the floodplains in the DMZ are highly valued for conservation as a rare land type. Most grasslands in the CCZ were converted back to rice paddies, consistent with their previous use. After the 1990s, ginseng cultivation in the CCZ increased. In addition, the landscape changes in the Korean DMZ and CCZ were affected by political circumstances between South and North Korea. Our results provide baseline information for the development of ecosystem management and conservation plans for the Korean DMZ and CCZ. Given the high biodiversity and ecological integrity of the Korean DMZ region, transboundary governance for conservation should be designed.
Keywords	Korean DMZ ; ecological succession ; wildfire ; temperate grassland ; old map ; South Korea ; Agriculture ; S
Subject code	333
Language	English
Publishing date	2021-07-01T00:00:00Z
Publisher	MDPI AG
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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