• 제목/요약/키워드: Fishes

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통영 장평리 잘피밭에 출현하는 어류의 종조성 (Species Composition of Fishes in the Eelgrass Bed of Jangpyeong in Tongyeong, Korea)

  • 최희찬;박종혁;백근욱
    • 한국수산과학회지
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    • 제51권3호
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    • pp.278-285
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    • 2018
  • Monthly variation in species composition of fishes in the eelgrass bed of Jangpyeong in Tongyeong, Korea was determined using monthly samples from a seine net from May 2016 to April 2017. A total of 32 species, 2,042 individuals and 3,991.1 g of fishes were collected during the study period. The dominant species were Takifugu niphobles, Rudarius ercodes, Gymnogobius heptacanthus, Zoarchias glaber, Pholis nebulosi and Leucopsarion petersii. These species accounted for 79.5% of the total number of individuals. The fish assemblages in the eelgrass bed showed clear seasonal changes: the number of fish species increased in March and was highest in October, while the number of individuals increased in December and was highest in July.

여수연안 정치망 어획물의 종조성과 계절변동 (Seasonal Variation of Abundance and Species Composition of Fishes Caught by a Set Net in the Coastal Waters off Yosu, Korea)

  • 김영혜;김종빈;장대수
    • 한국수산과학회지
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    • 제36권2호
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    • pp.120-128
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    • 2003
  • Fishes were caught by a set net in the coastal waters off Yosu, Korea from April to October, 2001, and seasonal variation of abundance and species composition were studied. Fifty two species were identified as fish $(89\%)\;cephalopods\;(10\%)\;and\;crustaeans\;(1\%).$ Of the fishes Engraulis japonicus, Trachurus japonicus and Trichiurus lepturus were dominant species representing $64.1\%$ in total number of individuals. The number of species was high in spring and low in summer; number of individuals was high in spring and low in autumn. The diversity index (H') was 0.4-0.7 The abundance and species composition fluctuated seasonally. Occurrence of the various stages of fishes indicated that Scombia japonicus, T. japonicus and E japonicus utilized in the area as spawning ground, Conger myriaster larvae, Ammodytes personatus and Seriola quinqueradiata as nursery ground, and T. lepturus and Ilisha elongata as spawning and nursery grounds.

청평호 및 팔당호 어류군집 비교 연구 (The Comparative Study on the Fish Community in Lake Chungpyung and Lake Paldang)

  • 박혜경;이장호;윤석환;최명재
    • 한국물환경학회지
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    • 제29권1호
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    • pp.7-18
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    • 2013
  • We compared the structure of fish community and condition of major fish species in Lake Chungpyung and Lake Paldang, which are relatively shallow, meso-eutrophic, cascading dam reservoirs on the North Han River. Two lakes have wide littoral zone in the lakeside providing similarly good habitat for fishes, whereas fishery and water recreational activities such as motorboating, water skiing are allowed in Lake Chungpyung but are prohibited in Lake Paldang. The average lengths of large size fishes in Lake Chungpyung are shorter than those of same species in Lake Paldang, resulting in the slight distortion of generation distribution of those species in Lake Chungpyung, possibly owing to the active fishery such as fixed shore net fishing, gill net fishing and angling. Meanwhile the condition of fishes represented by the length-weight relationship of fish species did not show the significant differences between two lakes and showed normal condition. To evaluate the impact of physical disturbance such as loud noise and turbulent wave from water recreational activities to fishes precisely, further studies including physiological responses to stress an spawing activity should be needed.

여수연안 낭장망에 어획된 어류의 종조성 및 양적변동 (Species composition and quantitative fluctuation of fishes collected by gape net in coastal waters of Yeosu, Korea)

  • 한경호;오용석
    • 수산해양기술연구
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    • 제43권4호
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    • pp.261-273
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    • 2007
  • To analyze quantitative fluctuation in abundance and species composition in coastal waters of Dolsan, Yeosu, the fished were collected by gape net from March to November, 2000. The fish species caught by set net collected fishes were identified 63 species, 56 families, 42 orders, and the number of appearance and biomass was 2,230,297 individuals and 16,076.8kg. The most dominant orders were Perciformes, Clupeiformes and Tetraodontiformes which accounted for 71.4% of the total. The dominant species in number were Engraulis japonicus, Sardinops melanostictus, Trichiurus lepturus which accounted for 99.2% (2,211,642 individuals) of the total fishes collected. The dominant species in biomass were Engraulis japonicus which accounted for 79.7% (12,807g) of the total fishes collected. Temporal occurence of the dominant species such as the Engraulis japonicus, Sardinops melanostictus, Trichiurus japonicus, Ilisha elongata, Leiognathus nuchalis was closely correlated with water temperature, which is expressed as following regression equation, $y=0.0864x-0.2311(r^2=0.3516)$. The species collected during the sampling yearly period were Engraulis japonicus, and migratory fish were Ilisha elongata, Trichiurus japonicus, Scomberomorus nipphnius, Scomber japonicus, Konosirus punctatus, Sphyraena pinguis, Pseudosciaena polyactis.

해선어류에 대한 리도카인의 마취효과 (Influence of Lidocaine as an Anaesthetic for Marine Fishes)

  • 박인석;김종만;김연환;김동수
    • 한국어병학회지
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    • 제1권2호
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    • pp.123-130
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    • 1988
  • 어류의 취급이나 운반을 용이하게 하기위해 마취는 매우 중요하다. 그러나 기존 어류 마취제는 많은 독성을 지니고 있다. 본 연구는 독성이 적어 인체용 마취제로 사용되는 리도카인을 해산어 마취제로 개발코자 11종의 유용 해산어류에 대하여 마취효과를 검토하였다. 그 결과 리도카인은 해산어 마취제로써 매우 유효하였으며 급, 만성 독성은 전혀 관찰되지 않았고, 마취 후 회복까지 3~4분이 소요되었다.

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고리 원자력발전소 취수구 스크린에 의해 사망하는 어류에 관한 연구 (Impingement of Fishes on Traveling Screens at Kori Nuclear Power Plant)

  • 허성희;황선재
    • 한국어류학회지
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    • 제9권1호
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    • pp.30-47
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    • 1997
  • 고리 원자력발전소 취수구 스크린에 의해 사망하는 어류의 종조성 및 우점종의 출현양상을 1987년 4월부터 1989년 3월까지 2년간 매월 조사하였다. 조사 기간중 채집된 어류는 총 102종이었다. 가장 많이 채집된 어종은 큰가시고기(Gasterosteus aculeatus aculeatus)였으며, 그 다음으로 멸치(Engraulis japonicus), 밴댕이(Sardinella zunasi), 갈치(Trachirus lepturus) 순이었다. 이들 네 어종은 총 개체수의 97.4%, 생체량의 92.2%를 차지하였다. 취수구 스크린에 의해 사망하는 어류는 2월과 3월에 가장 많았으며, 나머지 달에는 적었다. 어류의 사망율에 가장 큰 영향을 미치는 요인은 수온이었는데, 수온이 낮은 시기에 스크린에 의한 어류의 사망율이 크게 증가되었다.

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동대만 잘피밭에 서식하는 돌팍망둑(Pseudoblennius percoides)의 식성 (Feeding Habits of Pseudoblennius percoides (Pisces; Cottidae) in an Eelgrass (Zostera marina) Bed of Dongdae Bay)

  • 허성회;곽석남;김하원
    • 한국어류학회지
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    • 제20권1호
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    • pp.45-53
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    • 2008
  • 2005년 1월부터 2005년 12월까지 동대만의 잘피밭에서 채집된 돌팍망둑의 식성을 조사하였다. 돌팍망둑의 주요 먹이는 어류 및 새우류였으며, 그 외, 곤쟁이류, 단각류 (옆새우류 및 카프렐라류), 요각류, 두족류, 갯지렁이류 및 게류등이 소량 섭식되었다. 돌팍망둑은 초기에는 요각류와 단각류를 많이 섭식하였으나, 성장함에 따라 어류와 새우류의 섭식율이 점차 증가하였다. 돌팍망둑은 계절에 관계없이 새우류 및 어류를 주로 섭식하였다. 체장별 및 계절별 dietary breadth는 전체적으로 낮게 나타났다.

개량안강망에 채집된 금강하구 어류 종조성의 계절 변동 (Seasonal Variation in Species Composition of Fish Collected by a Bag Net in the Geum River Estuary, Korea)

  • 황선완;황학빈;노형수;이태원
    • 한국수산과학회지
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    • 제38권1호
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    • pp.39-54
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    • 2005
  • Seasonal variation in species composition of fish in the Geum River estuary was determined using monthly samples collected with a bag net from February to December 2003. Of a total of seventy-three species collected, four groups of fishes were distinguished. Estuarine fishes such as Chelon haematocheilus and Synechogobius hasta were collected almost all the seasons and predominated in abundance during cold months. Coastal fish species such as Sardinella zunasi, Konosirus punctatus, Engraulis japonicus, Johnius grypotus and Thryssa kammalensis were dominated from late spring to autumn. Their adults entered into the estuary in spring and a large number of their juveniles were collected in summer and autumn till moving out to deeper waters for over-wintering. A few freshwater fishes were collected when the freshwater was discharged during the rainy season. Anguilla japonica elvers (diadromous fish) and Coilia nasus (amphidromous fish) were collected in spring during their upstream migration. The principal component analysis revealed that the seasonal variation in species composition of fishes was principally determined by water temperature and/or water temperature related factors.

한국 남서 연안에 서식하는 어류상 (Fishes of the Southwestern Coast of Korea)

  • Ik-Soo Kim;Seung Ho Choi
    • Animal Systematics, Evolution and Diversity
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    • 제14권2호
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    • pp.135-157
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    • 1998
  • 우리 나라 남해 서부 연안에서 1996년 4월부터 1997년 3월까지 월 1회 어류를 조사하여 19목 82과 149속 190종을 채집하였다. 그 가운데 농어목은 94종이 출현하여 전체 출현종의 49%를 차지하였다. 채집된 어류중 두줄망둑 Tridentiger trigonocephalus, 실양태 Repomucenus valenciennei 및 풀반댕이 Thryssa adelae가 가장 우세하게 출현하였다. 또한 황해고유종인 왜도라치 Chirolophis wui, 흰베도라치 Pholis faugi, 참돛양태 Repomucenus koreanus, 비늘흰발망둑 Acanthogobious luridus 등이 출현하여 이 지역은 황해의 영향권에 있음을 알 수 있었다.

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지역.연령.성별에 따른 식품선호도에 관한 연구 -서울.전남 일부 지역을 중심으로- (The Analysis of Food Preference According to Region, Age, Sex)

  • 황혜선;손경희
    • 한국식생활문화학회지
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    • 제3권2호
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    • pp.177-185
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    • 1988
  • This study was surveyed the preference for the regional food and food choices according to Region, Age, Sex. The subjects were 943 residing in Seoul and Cheon Nam region. The summarized result are as follows; The survey about the preference for the regional food showed that subjects in Cheon Nam has higher preference for the Cheon Nam food and subjects in Seoul for the Seoul food respectively. The most subjects marked very high preference scores about familiar food. The preference for the regional food and food choices were effected by main growth region. Subjects brought up in Cheon Nam like Cheon Nam food especially fresh raw fishes(WHOI) and fermented fishes(CHOT GAL) more than those brought up in Seoul, although both of them reside in Seoul now. But they were brought up in Cheon Nam, subjects residing in Cheon Nam or Seoul now showed no difference in preference for Cheon Nam food. Subjects in Cheon Nam showed higher preperence for fresh raw fishes(WHOI), fermented fishes(CHOT GAL), especially in older men.

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