• 종축개량
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• v.12 no.5 s.75
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• pp.58-60
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• 2007

• KOREAN POULTRY JOURNAL
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• v.16 s.173
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• pp.104-110
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• 1984

• Journal of Fisheries and Marine Sciences Education
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• v.27 no.2
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• pp.363-370
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• 2015

Olive flounder, Paralichthys olivaceus is one of the most target fish for aquaculture and national stock enhancement program in Korea. In order to find more information about hatchery fish stocking for stock enhancement we investigated the sex ratio of wild-caught fish populations which were artificially released into wild seas. The recapture rate was 9.0% to 94.5% in studied areas. The proportion of sex ratio ranged from 7.8% to 64.6% in female and from 34.4% to 92.1% in male respectively. This result suggests that the sex ratio of wild populations might be effected by the released fish. So we need more careful stocking program of the fish to preserve the balance of the sex ratio in the wild population.

• Korean journal of communication and information
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• v.29
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• pp.7-41
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• 2005

This article examines the influences of Journalist gender and gender ratio in the newsroom on news coverage of women among three national newspapers in Korea. Results reveal that female reporters describe women newsmakers in greater length, of more diversity in occupations, and of more positive pattern than their colleagues, male reporters do. The newspaper employing more female reporters also covers female newsmakers with less personal information, of more diversity in occupations, and of more positive pattern. It is suggested that increase of female reporters in the newsroom induce male reporters to cover women newsmakers toward a pro-female attitude. Lastly, the relation of the gender ratio variation in the news organization and news coverage of women is discussed.

• Korea journal of population studies
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• v.20 no.1
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• pp.65-96
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• 1997

The main purpose of this study is to explore the determinants of sex ratio imbalance at birth in Taegu which has experienced the extremely imbalanced sex ratio at birth since mid-1980s. This paper attempts to compare the determinants of sex ratio imbalance at birth, such as sex discrimination against women, son preference, prenatal sex identification followes by sex-selective induced abortions, among married women aged 25 to 44 in Taegu with those in Bay area, California in USA. The research is based on the survey data which were conducted in Taegu, Repulic of Korea and Bay area, California in USA. The findings of this analysis suggest that married women in Taegu are more likely to feel sex discrimination against women than married women in Bay area. Furthermore, the percentage of married women's effort for son bearing before pregnancy is much higher than that of married women in Bay area. We also have found that the percentage of sex-selective induced abortion in Taegu is six times higher than that of married women in Bay area. According to the logistic regression analysis, the determinants of sex-selective induced abortion among married women in Taegu are discrimination against women, son preference, prenatal sex identification. On the other hand, age is the only variable which has an important impact on sex-selective induced abortion among married women in Bay area. From the findings of this study, we can conclude that son preference based on Cofucianism is the most important impact on sex ratio imbalance at birth in Taegu where son preference is much stronger than other regions in Korea. The phenomenon of extremely imbalanced sex ratio at birth in Taegu is the result of combination of these factors, such as strong son preference, seeking to have at least one son within small family size, and prenatal sex identification followed by sex-selective induced abortion.

• Journal of Wetlands Research
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• v.26 no.1
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• pp.32-40
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• 2024

The purpose of this study is to collect basic information about Narrow-mouthed Toad (Kaloula borealis) by analyzing the morphological characteristics of Narrow-mouthed Toad (Kaloula borealis) caught in pitfall traps. The study site is in Godeok-dong, Gangdong-gu, Seoul, and a total of 1,063 individuals were captured using pitfall traps for a total of four years from July 2016 to November 2020. Narrow-mouthed Toad (Kaloula borealis) were classified into adult and immature individuals based on length (SVL), and differences in sex ratio and shape were confirmed for adults. As a result, all adult males had a pair of white bands observed in the abdomen, and females had eggs identified in the abdomen. Through previous studies, a pair of white bands on the abdomen were determined to be male gonads, and were also confirmed in some immature individuals. The sex of the Narrow-mouthed Toad (Kaloula borealis) could be distinguished by the presence or absence of a pair of white bands located on the abdomen, and it is believed that this can be used as a sex classification method that can be confirmed in the field. During the study period, the adult sex ratio was confirmed to be 697 male (65.57%) and 366 female (34.43%), with more males. It is expected that this method of sex ratio and male/female sex ratio will be used not only for species restoration and monitoring of migration and alternative habitats due to development, but also as basic data for various ecological studies.

• Proceedings of the Korean Fiber Society Conference
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• 1999.04a
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• pp.86-89
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• 1999

• 한국사회복지학회:학술대회논문집
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• 1994.11a
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• pp.95-103
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• 1994

• Journal of the korean veterinary medical association
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• v.24 no.11
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• pp.692-695
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• 1988

• Proceedings of the Zoological Society Korea Conference
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• 1998.10b
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• pp.194.1-194
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• 1998