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      • KCI등재

        남한강 본류 3개 보의 저서성 대형무척추동물의 공간적 분포

        권용주 ( Yongju Kown ),김진영 ( Jin-young Kim ),김필재 ( Piljae Kim ),김정우 ( Jungwoo Kim ),민정기 ( Jeong-ki Kim ),공동수 ( Dongsoo Kong ) 한국물환경학회 2020 한국물환경학회지 Vol.36 No.1

        Three large scale weirs were constructed 2010 - 2011 in the Namhan river, Korea. The purpose of this study was to investigate the spatial distribution of benthic macroinvertebrates and the influence of environmental factors at the weirs 2014 - 2015. The number of species was higher in the riparian zone than in the transition or the limnetic zone. This seems to be because of the diversification of microhabitats and food sources according to the development of littoral zones. From the riparian zone to the limnetic zone, the individual abundance proportion of gathering collectors among functional feeding groups decreased, and that of filtering collectors increased. In the limnetic zone, sprawlers and climbers among habitat orientation groups decreased, and burrowers increased. This means that coarse particulate organic matter originated from land or riparian zone was transformed to fine particulate organic matter in the limnetic zone. Asian clam (Corbicula fluminea) and chironomids were dominant species based on individual abundance. Asian clam, a major taxon considering biomass, was abundant toward the limnetic zone. This is becasue of the shallow depth, suitable water current, slightly coarse substrate, and good water quality. There was no significant relationship between the water quality and the characteristics of the benthic macroinvertebrate community because the water quality was spatially not heterogenous. The more influential factors for benthic community were physical factors, especially water depth. Water depth showed a markedly significant correlation with Shannon-Weaver’s species diversity (r=-0.90), Margalef’s species richness (r=-0.82), and McNaughton’s dominance (r=0.86). Water depth showed a positive correlation (r=0.68) with the Kong and Kim BMSI (Bentic Macroinverebrates Streambed Index), and this may be related to the coarse substrate of the limnetic zone.

      • KCI등재

        호텔종사원이 경험한 포용적 리더십이 심리적 안정감을 매개로 하여 창의적 업무 관여도에 미치는 영향에 관한 연구

        김지은 ( Jieun Kim ),권용주 ( Yongju Kown ) 관광경영학회 2019 관광경영연구 Vol.87 No.-

        As the needs of study on how to increase organizational innovation have been raised in the hotel industry, this study aims to investigate the structural relationship among inclusive leadership, psychological safety, and involvement in creative work. Based on the existing literature, it has been hypothesized that inclusive leadership influences involvement in creative work mediated through psychological safety. Focused on the hotel employees, this study surveys five star hotel employees using convenience sampling. The number of 215 cases was used for final analysis out of 250 cases surveyed. Structural equation modeling was used to analyze the study results. The results firstly indicate that inclusive leadership makes a significantly positive influence on psychological safety. Secondly, psychological safety positively influences involvement in creative work. Thirdly, inclusive leadership fails to make a significant impact on involvement in creative work. Finally, psychological safety fully mediates the relationship between inclusive leadership and involvement in creative work. This study presents the leadership delivering consistent and reliable value on diverse ideas and innovation increases the hotel employees’ generation of creative ideas.

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