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광양만 잘피밭에 서식하는 볼낙(Sebastes inermis)의 식성
허성회,곽석남,HUH Sung-Hoi,KWAK Seok Nam 한국수산과학회 1998 한국수산과학회지 Vol.31 No.2
Feeding habits of Sebastes inermis collected from the eelgrass bed in Kwangyang Bay from January 1994 to December 1994 were studied. S. inermis ($1\~9\;cm\;SL$) was a carnivore which mainly consumed amphipods (gammarid amphipods and caprellid amphipods) and copepods. Its diets included small quantities of caridean shrimps, crabs, gastropods, and fishes. It showed ontogenetic changes in feeding habits. In an initial stage, copepods were major food organisms. However, amphipods were heavily selected as the body size of S. inermis increases. Although consumption of copepods increased during spring, amphipods were major prey organisms for all seasons.
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가덕도 주변 해역 어류의 종조성과 계절 변동 -1. 소형 기선저인망에 의해 채집된 어류-
허성회,안용락,HUH Sung-Hoi,AN Yong-Rock 한국수산과학회 2000 한국수산과학회지 Vol.33 No.4
The species composition and seasonal variation of fish assemblage in the coastal water off Gadeok-do, Korea were studied using the monthly trawled samlpes through a year of 1998. During the study period, 110 species of fishes from 57 families were collected. Repomucenus valenciennei, Thryssa kammalensis, Leiognathus nuchalis and Zoarces gilli dominated the fish assemblage throughout the year, and were responsible for $ 57.6{\%}$ and $37.2{\%}$ in the number of individuals and biomass, respectively. Fish species of secondary importance in abundance were Sillago japonica, Apogon lineatus, Pholis fangi, Engraulis japonicus, Thryssa adelae, Pho;is nebulosa, Conger myriaster, Liparis tanakai, Acentrogobius pflaumii, Limanda yokohamae, Chaeturichthys hexanema, Erisphex pottii and Cunoglossus abbreviatus. Higher numbers of species were collected in spring and autumn than in summer and winter. Abundance was high in spring and autumn, and low in summer and winter, Species diversity indices showed that the fish assemblage was more diverse in autumn than any other seasons.
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광양만 잘피밭에 서식하는 붕장어 (Conger myriaster)의 식성
허성회,곽석남,HUH Sung-Hoi,KWAK Seok Nam 한국수산과학회 1998 한국수산과학회지 Vol.31 No.5
1994년 1월부터 1994년 12월까지 광양만 대도주변 잘 피밭에서 채집된 붕장어의 식성을 조사하였다. 붕장어의 주요 먹이는 어류, 새우류 및 게류였다. 그밖에 옆새우류, 복족류, 두족류, 갯지렁이류, 곤쟁이류, 쿠마류, 등각류 등이 위내용물 중 발견되었다. 붕장어가 성장함에 따라 먹이생물의 조성이 점차 변하였다. 체장이 작은 붕장어는 새우류, 어류, 게류 그리고 옆새우류를 고르게 먹었으나, 체장이 증가하면서 옆새우류와 새우류의 점유율은 점차 감소하였고, 어류의 점유율은 점차 증가하였다. 붕장어는 계절에 따른 환경 생물의 조성과는 관계없이 특정 생물을 먹이로 선호하는 경향을 보였다. 특히 어류는 다른 환경 생물에 비해 잘피밭 환경에서 출현량이 많지 않았음에도 불구하고 연중 지속적으로 선택되는 먹이생물이었다.
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허성회,최희찬,백근욱,김하원,박주면 한국수산과학회 2013 한국수산과학회지 Vol.46 No.2
The seasonal distribution and abundance of larval fishes in the central and southern surface waters of the East Sea were investigated seasonally during 2011 and 2012. During the study period, the larvae of 39 species belonging to 26families were collected. The most abundant species were Engraulisjaponicus, which accounted for 97.5% of the total number of individuals collected. Scomber japonicus, Clupea pallasii, Chromis notatus, Cottidae sp., and Coryphaena hippurus accounted for 1.7% of the total.The number of species, number of individuals, and species diversity indices fluctuated with the season. The peak number of species and individuals occurred in September and May, respectively. The larvae of the main species displayed a distinct spatial distribution and seasonal occurrence patterns. E. japonicus and C. notatus widely distributed throughout the study area. During summer and autumn, S. japonicus and C. hippurus were abundant in southern and offshore regions. C. pallasii occurred only in the southern region during winter. The seasonal occurrence and patterns of distribution of the larvae of main species seems were correlated with surface water temperature.
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광양만 잘피밭에 서식하는 실고기 (Syngnathus schlegeli)의 식성
허성회,곽석남,HUH Sung-Hoi,KWAK Seok Nam 한국수산과학회 1997 한국수산과학회지 Vol.30 No.5
1994년 1월부터 1994년 12월까지 광양만 대도주변 잘피밭에서 채집된 실고기의 식성을 조사하였다. 실고기는 요각류 (Copepoda)와 잘피의 엽상체에 부착하여 서식하는 단각류 (Amphipoda)의 일종인 옆새우류 (Gammaridea)를 주로 섭이하였으며, 그 외, 카프렐라류 (Caprellidea), 주걱벌레붙이류 (Tanaidacea), 곤쟁이류 (Mysidacea) 등을 소량 섭이하였다. 실고기는 성장함에 따라 섭이된 먹이생물 조성의 변동이 뚜렷하였다. 어린 실고기는 요각류를 주로 섭이하였으나, 체장이 증가하면서 옆새우류를 주로 섭이하였다. 먹이생물의 조성은 계절에 따라 변화되었는데, 봄철에는 요각류가, 여름철과 가을철에는 옆새우류가 주로 섭이되었다.
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허성회,안용락,HUH Sung-Hoi,AN Yong-Rock 한국수산과학회 1997 한국수산과학회지 Vol.30 No.4
Seasonal variation of a shrimp community in the eelgrass (Zostera marina) bed in Kwangyang Bay, Korea was studied based on the monthly collected samples through a year of 1994. The shrimp community in the eelgrassbed was composed of 26 species of shrimps representing 6 families. The community was dominated by Heptacarpus pandaloides, Crangon affinis, Eualus leptognathus, Latreutes acicularis, Heptacarpus rectirostris, Heptacarpus geniculatus, and Latreutes laminirostris. Most of species were the small-sized species with carapace length smaller than 25 mm. The peak abundance occurred in the late winter and spring and low abundances in autumn. More than 10 species were collected every month except lull (8 species). Species diversity indices showed that the shrimp species were more diverse during the late summer, and lesser during the late autumn. Predominance of Crangon affinis in the late autumn caused such a low diversity. The shrimps in the study area could be grouped into three groups on the basis of their occurrence patterns: resident species, seasonal species, and temporary species. More abundant and more diverse shrimps were collected during nighttime than daytime.
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광양만 잘피밭에 서식하는 문절망둑 (Acanthogobius flavimanus)의 식성
허성회,곽석남,HUH Sung-Hoi,KWAK Seok Nam 한국수산과학회 1999 한국수산과학회지 Vol.32 No.1
Feeding Habits of Acanthogobius flavimanus collected from the eelgrass bed in Kwangyang Bay from January to December 1994 were studied. A. flavimanus was a carnivore which consumed mainly polychaetes, crabs, shrimps, gammarid amphipods and fishes. Its diets included small quantities of ophiuroids, gastropods, bivalves, caprellid amphipods, isopods and tanaids. It showed ontogenetic changes in feeding habits. Small individuals fed mainly on polychaetes and amphipods. While the consumption of polychaetes and amphipods decreased with increasing fish sin, the consumption of shrimps, crabs and fishes increased. A. flavimanus fed diverse prey organisms in adult stage. The relative proportion of the major prey items changed with season. Although the consumption of polychaetes, shrimps and gammarid amphipods was relatively high in spring and autumn, A. flavimanus fed various prey organisms in nearly equal proportions in the other seasons.
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