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First record of three species of octopodidae and gonatidae, cephalopods in the East/Japan Sea.
Kim, Yeonghye,Lee, Dong Woo,Hong, Byung Kyu,Chun, Young Yull The Academy 2008 Journal of environmental biology Vol.29 No.4
<P>Three species of the unrecorded octopus and squids, Octopus megalops, Berryteuthis magister and Gonatopsis makko were collected for the first time from the East/Japan Sea in June, 2005. New Korean names proposed for these three species are 'Big-eye octopus, Mako gonate squid, Schoolmater gonate squid' for the O. megalops, B. magister and G. makko, respectively. We report detailed taxonomic descriptions of these species.</P>
A Genetic Analysis of the Common Squid, Todarodes pacificus in the Korean Waters
YeongHye Kim,YongJoo Kang,JungYoun Park 한국패류학회 2002 The Korean Journal of Malacology Vol.18 No.1
In order to estimate the genetic variability and differentiation in common squid, eleven isozymic loci, coded for nine enzymes detected by starch gel electrophoresis, were scored from nine spawning cohorts in four localities.The expected average heterozygosity ranged from 0.00019 (between Il-S2 and Na-W) to 0.00814 (Between Bu-S and Na-W) in nine different spawning cohorts in four localities.A dendrogram, based on genetic distance mentioned, illustrated that nine different spawning cohorts were divided into three groups, similar to the result estimated by their ecological characterizations. From these results, we estimate that the common squid distributed throughout Korean waters will maintain this gene exchange. It is postulated that either the summer or the autumn spawning cohort has developed a local population that is isolated by hydrographic factors.
김미성 ( Miseong Kim ),윤영혜 ( Yeonghye Yoon ),김서경 ( Seokyung Kim ),윤유식 ( Yooshik Yoon ) 관광경영학회 2018 관광경영연구 Vol.82 No.-
This study aimed to reveal the dimension of employment barrier and the effect of the employment barrier and social support, as a correspondence variable of employment barrier, to career decision-making self-efficacy and employment preparation behaviors. Through on&offline survey of MICE job seekers, 241 valid responses were collected. The result of analysis showed that lack of employment information and low self-understanding have negative effects on career decision-making self-efficacy and low self-understanding, and low competences for employment have negative effects on employment preparation behavior. The study also proved that only emotional support and appraisal support among the social supports have positive effects on career decision-making self-efficacy and employment preparation behavior. In addition, this research affirmed the results of previous studies by confirming the positive relation between career decision-making self-efficacy and employment preparation behavior. Based on the results, this study presents academic and practical implications for improving MICE job market. These will contribute to lower the perceived level of employment barriers by job seekers who are looking for the entry into the MICE field, and enhance their employment preparation behavior as well. The findings of this paper also could provide empirical basement for policy formation.
Ji Sung Choi,So Ryung Shin,Hyeon Jin Kim,Hyejin Kim,Yeonghye Kim,이정식 한국발생생물학회 2021 발생과 생식 Vol.25 No.3
We report on the gonadal structure abnormality and intersexuality found from a survey regarding the reproductive potential of the rock bream, Oplegnathus fasciatus, along the southern coast of Korea. In total, 448 samples were collected for histological analysis (total length 27.5±6.8 cm; total weight 522.9±385.6 g). The sex ratio (F:M) was 1:0.46 (n=307:141), with 68.5% being females. The frequency of oocyte atresia and ovarian neoplasm in the females was 85.3% and 21.5%, respectively, and the frequency of testicular lobule and cyst deformation and testicular neoplasm in the males was 73.1% and 37.6%, respectively. The scale formation in the ovary and testis was approximately 2.0% for both sexes. The intersexuality was 42.2%, with the intersexuality among females being 49.5%, which was significantly higher than that of males (26.2%). Such findings indicate a negative impact on the reproductive output of the rock bream along the southern coast of Korea; however, a more detailed study is required to ascertain accurate causes.