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황선도(Sun Do Hwang),박영조(Young Jo Park),최수하(Soo Ha Choi),이태원(Tae Won Lee) 한국수산과학회 1997 한국수산과학회지 Vol.30 No.1
Seasonal variation in species composition of fish in the coastal water off Heunghae were determined using the samples collected by trammel net from May, 1989 to October, 1990. Of 28 species identified, three resident species such as Sebastes inermis, Hexagrammos otakii and Hexagrammos agrammus predominated in abundance except fall. In fall, temporal species such as Stephanolepis cirrhifer and Thamnaconus modestes were dominated. The number of species and abundance did not show seasonal variation. Mean catch per unit effort was 1,938 g (11 individuals) with a 100 m net during one night. Analysis of size composition of dominant species revealed that most fish collected were composed mainly of large individuals (>20 ㎝) whose ages were older than 3 years.
한국 해역에 분포하는 오징어 ( Todarodes pacificus ) 의 생식생태학적 방법에 의한 계군분석
김영혜(Yeong Hye Kim),강용주(Yong Joo Kang),최수하(Soo Ha Choi),박차수(Cha Soo Park),백철인(Chul In Baik) 한국수산과학회 1997 한국수산과학회지 Vol.30 No.4
Population analysis of the common squid, Todarodes pacificus identified three seasonal cohorts in the Korean waters. They were significantly separable in terms of spawning period and fecundity, and they were slightly different in frequency distribution of egg size, while they are not significantly different in mantle length at 50% maturity.
포항 석병연안에서 삼중자망에 의해 채집된 어류의 종조성 및 양적변동
한경호,손종철,황동식,최수하 한국어류학회 2002 韓國魚類學會誌 Vol.14 No.2
경상북도 포항시 석병 연안에서 삼중자망 5폭을 사용, 1998년 1월부터 12월까지 총 12회에 걸쳐 어류를 포획하여, 어류의 종조성 및 양적변동을 조사하였다. 포획된 어류는 총 1網 7目 27科 58種, 607개체, 93,427g으로 쏨뱅이 目(Scorpaeniformes)과 쏨뱅이 目(Scorpaeniformes) 어류가 총 41種으로 전체 출현종 수의 70.7%를 차지하여 우점하는 분류군이었으며, 科별로는 양볼락 科(Scorpaenidae) 어류가 8種 출현하여, 가장 많은 種이 출현하였다. 개체수에서 우점종은 망상어, 노래미, 쥐노래미, 용치놀래기, 쥐치, 볼락, 개볼락, 멸치 및 임연수어로 이들 9種이 전개체수의 62.9%를 차지하였다. 생체량에서 우점종은 망상어, 쥐노래미, 임연수어, 노래미, 볼락 및 용치놀래기로 이들 6種이 전생체량의 58.4%를 차지하였다. 출현 개체수와 생체량은 수온이 상승하는 4월과, 고수온기인 7월 및 10월에 높게 나타났으며, 저수온기인 1월에는 낮게 나타나, 수온과 밀접한 관계가 있었다. 월별 출현종수는 수온이 낮은 1월에 10種이 출현하여 가장 적었고, 수온의 상승폭이 큰 5월에 24種으로 가장 많았다. 종 다양도지수는 1.640~2.594의 범위로 경월변화가 적고, 인근 해역에 비해서 높은 지수를 나타내고 있어, 다양한 어종과 안정된 군집구조를 형성하고 있는 것으로 나타났다. 본 조사해역에서 연 중 출현한 어종은 망상어, 노래미, 쥐노래미, 볼락 등이며, 체형이 크고 성장도가 양호할 뿐만 아니라 주거종으로서 경제성있는 어종으로 평가된다. Fishes were collected by trammel net to determine seasonal species composition and biomass in coastal waters of Seokbyeong, Pohang, Gyeongsangbuk-do from January to December, 1998. A total of 607 fishes(93,427g) was sampled and classified into 58 species belonging to 27 families and 7 orders. The most dominant orders were Scorpaeniformes and Perciformes, which together accounted for 70.7% of the total. The most dominant family Scorpaenidae was represented by eight species. The dominant species were Ditrema temmincki, Hexagrammos agrammus, H. otakii, Halichoeres poecilopterus, Stephanolepis cirrhifer, Sebastes inermis, Sebastes pachycephalus, Engraulis japonicus and Pleurogrammus azonus; they accounted for 62.9% of the total fishes collected. The dominant species in biomass were Ditrema temmincki, Hexagrammos agrammus, H. otakii, Halichoeres poecilopterus, Sebastes inermis and Pleurogrammus azonus. Those species accounted for 58.4% of the total biomass. The number of individuals and the biomass were much higher in summer and autumn than in winter and spring, and closely correlated with water temperature. Monthly number of species was highest in May, with 24 species and lowest in January, with 10 species. The highest diversity index was in June(H'=2.594), and lowest in January(H'=1.640). The diversity index was 1.640~2.594, with little monthly fluctuation. The diversity index in coastal waters of Seokbyeong was higher than that in other coastal waters. It suggest that the cluster structure may be stable.