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이선호 호남대학교 2005 호남대학교 학술논문집 Vol.26 No.2
The present study attempts to analyze how the appropriateness of production system of a food service industry influences its financial outcome. A survey was given to 300 employees of five family restaurants in Seoul. The result is a statistical analysis performed by SPSS 12.0 for window and AMOS 5.0. The survey shows that there is a partially significant relationship between the production system and its financial outcome. In other words, it is shown that an a proper production system exerts a generally positive effect on its financial outcome. We expect that the current statistical analysis of these factors will help reduce the risk and uncertainty of any investment. We also expect these findings to be used as a basic and essential source for any predictable investment.
섬진강 수계 어류군집 특성과 우점종 피라미 (Zacco platypus)의 전장 - 체중 관계 분석
이선호,김효겸,조현빈,곽인실 한국하천호수학회 2021 생태와 환경 Vol.54 No.1
As fish communities are sensitive to natural environmental changes as well as anthropogenic pressures, their composition and characteristics help us to assess the aquatic ecosystem health. The fish fauna and the length-weight relationship of Zacco platypus in the Seomjin River system were investigated from July 2018 to May 2019. The collected species during the survey period were 49 species belong to 14 families including 19 Korean endemic and two endangered species. According to Bray-Curtis similarities, 14 sites were divided into four groups based on the fish community composition; two groups (group A, B) and two uncategorized sites (group C, D). There were significant differences between groups A and B (analysis of similarities, R=0.722, p=0.002). A similarity percentage analysis revealed that Z. koreanus (8.55%), Micropterus salmoides (6.90%), and Lepomis macrochirus (4.90%) contributed to these differences of fish assemblages between group A and B. Group A showed higher relative abundances of exotic species such as M. salmoides and L. macrochirus, while Z. platypus and Z. koreanus which are the common species in Korea, were the most dominant species in group B. Based on the length-weight relationship of Z. platypus, b values were varied from 2.82 to 3.80, indicating that growth patterns of the species were spatially different. This study could be served as baseline data for understanding fish fauna, assessing habitat characteristics based on the fauna, and identifying health conditions of Z. platypus in the Seomjin River system.