• 제목/요약/키워드: coastal waters

검색결과 1,513건 처리시간 0.027초

A Taxonomic Study of Family Dinophysiaceae Stein (Dinophysiales, Dinophyta) in Korean Coastal Waters

  • Shin, Eun-Young;Park, Jong-Gyu;Yeo, Hwan-Goo
    • Ocean and Polar Research
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    • 제26권4호
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    • pp.655-668
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    • 2004
  • A taxonomic survey of the dinoflagellate family Dinophysiaceae Stein was conducted on 17 locations off the coast of Korea. A total of twelve species have been identified and described, of which eight species, Dinophysis dens Pavillart D. infundibulus Schiller, D. irregulare Lebour, D. lapidistrigiliformis Abe, D. mitra(Schutt) Abe vel Balech, D. parvula(Schutt) Jorgensen, D. rapa(Stein) Balech, Phalacroma sphaeroideum Schiller, are new records for Korea and six are potentially toxic.

Analysis of Response to Major Oil Spills in the Korean Coastal Waters

  • Yun Jong-Hwui;Yoon Yeong-Suk;Ko Seong-Jung
    • 해양환경안전학회:학술대회논문집
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    • 해양환경안전학회 2004년도 춘계학술발표회
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    • pp.65-72
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    • 2004
  • With data of historical spill from vessels occurred in korean coastal waters, the author analyze the causes of spill and evaluate response technique adopted during spill. It is found that the majority of spill caused by operational failure, bad weather, violation of navigation rule and hull defect. As a result of evaluation of response measures, it is suggested that responsible agency establishes criteria for various response options and standards of tier response time and capability according to the size of spill.

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한국 미기록 채찍상모갯지렁이 Cossura brunnea FAUCHALD, 1972 (NEW Record of Cossura brunnea (POLYCHAETA : NEREIDAE) in Korean coastal waters)

  • 백의인
    • 한국수산과학회지
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    • 제30권1호
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    • pp.148-151
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    • 1997
  • 동해안 영일만의 입구부인 칠포, 입암 대동배 및 대보에서 말잘피 Phyllospadix japonicus의 뿌리부분에서 채집한 채찍상모갯지렁이 Cossura brunnea Fauchald, 1972가 한국 미기록종이었으므로 이 종을 기재하고, 상모갯지렁이과 Cossuridae Day, 1963도 우리 나라 다모환충류상에 처음으로 추가되므로 과 검색표도 새로 작성하였다. 본 종이 보고되므로 한국산 상모갯지렁이 과는 1속 1종이 된다.

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고리 주변해역에서 출현하는 달고기 (Zeus faber)의 식성 (Feeding Habits of John Dory Zeus faber in the Coastal Waters off Gori, Korea)

  • 허성회;박주면;백근욱
    • 한국수산과학회지
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    • 제39권4호
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    • pp.357-362
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    • 2006
  • The feeding habits of John Dory (Zeus faber) were studied by examining the stomach contents of 317 specimens collected from January 2004 to December 2005 in the coastal waters off Gori, Korea. The standard length (SL) of the specimens ranged from 12 to 42 cm. Z. faber is a piscivore and consumes mainly teleost fish such as Psenopsis anomala, Trichiurus lepturus and Conger myriaster. Its diet also includes shrimp and cephalopods. Smaller individuals (<25 cm SL) consume shrimp and small fish such as Glossanodon semifasciatus. The proportion of these prey items decreases with increasing fish size, and this decrease is paralleled by increased consumption of lager fish such as Psenopsis anomala and Trichiurus lepturus. The prey size increases with Z. faber size.

우리나라 남부연안에서 채집된 짧은수염대구(Laemonema nana)의 형태적 특징 (Morphological Characteristics of Laemonema nana (Moridae) Collected from the Southern Coastal Waters of Korea)

  • 김맹진;최정화;최광호;송춘복
    • 한국수산과학회지
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    • 제47권5호
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    • pp.667-670
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    • 2014
  • Six adult fish of Laemonema nana, belonging to the family Moridae, were collected in a bottom trawl in the southern coastal waters of Korea. These specimens were characterized by having 46-52 second dorsal fin rays (vs. 57-67 for Lotella phycis and 68 for Physiculus japonicus), two pelvic fin rays (vs. 9 for L. phycis and 6-7 for P. japonicus), and lateral line descending abruptly below the anterior part of the second dorsal fin.

Depth contours appeared on SAR images by interactions between tidal current and bottom topography

  • Kim, Tae-Rim
    • 대한원격탐사학회:학술대회논문집
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    • 대한원격탐사학회 2006년도 Proceedings of ISRS 2006 PORSEC Volume II
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    • pp.692-694
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    • 2006
  • X-SAR images taken on the coastal waters of Hwanghe province in Korea during SIR-C/X-SAR campaign in April and October 1994 are analysed. The SAR images show the peculiar signatures like nail marks, curved long string, and vortex streets patterns and they all seem to be produced by strong interactions between the topography in the coastal waters and tidal currents. The nail mark signatures are located at the same position of small scaled sand banks and the curved line patterns are almost identical to the outer boundary of large sand banks. Based on the tidal record, all the three images are taken at the almost same phase of tidal cycles, which are close to the low tide. It seems that bottom shapes are more strongly appeared on the SAR images when the tidal currents are slow. The front between two different current velocities caused by the flows along the steep boundaries of sandbanks is also the main factors imprinting the bottom features to the sea surface SAR images

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Herzberg 이요인이론을 통한 근해 선원들의 태도에 관한 연구 - 금성수산 대형선망어업을 중심으로 - (A study on the Attitudes of Inshore Fishery Seaman's based on Herzberg's two-factor theory - With emphasis on Large Purse Seine of Keumsung Fisheries -)

  • 강정우;한나영;홍재범
    • 수산경영론집
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    • 제43권3호
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    • pp.59-73
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    • 2012
  • This study has the purpose to examine the effects of hygiene factor(job environment factor) and motivation factor(job motivation factor) of seamen on satisfaction, turnover intention and organizational commitment. To that end, with the scope of study subjects limited to coastal waters seamen, positive analysis was done through literature study and questionnaire analysis, and focus was given to the prospect of acquiring seamen by change of outside environment. Results of analyzing the factors affecting coastal waters seamen satisfaction, turnover intention and organizational commitment were as follows. First, the factors that affect satisfaction significantly are personal relationship and willingness to participate. Second, the factor that affects turnover intention significantly is employment stability. Third, the factors that affect organizational commitment significantly are personal relationship and willingness to participate.

제주도 연안에서 채집된 깃대돔과(Zanclidae) 깃대돔(Zanclus cornutus)의 형태적 특징 (Morphological Characters of Zanclus cornutus Collected from the Coastal Waters of Jeju Island, Korea)

  • 한송헌;김병엽;송춘복
    • 한국어류학회지
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    • 제22권4호
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    • pp.293-296
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    • 2010
  • 제주도 연안에서 채집된 표본을 근거로 하여 Zaclus cornutus의 형태적 특징을 상세하게 기재하였다. 본 종은 주둥이가 길게 연장되었고, 눈 앞에 각각의 한 개의 가시돌기가 있으며, 등지느러미 3번째 극조가 길게 연장되었다.

On Conditions of Phytoplankton Blooms in the Coastal Waters of the North-Western East/Japan Sea

  • Zuenko, Yury;Selina, Marina;Stonik, Inna
    • Ocean Science Journal
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    • 제41권1호
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    • pp.31-41
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    • 2006
  • Seasonal changes of abundance of the main phytoplankton groups of species (diatoms, dinoflagellates, chrysophytes, small flagellates and cryptophytes) and a set of environmental parameters were investigated in coastal and pre-estuarine waters of Peter the Great Bay (East/Japan Sea) in May-October of 1998 and 1999. Three periods of mass development were revealed: spring, summer and autumn blooms, with successive change of species. The conditions favourable for each group of species were determined. Driving mechanisms of the succession include nutrients transport through seasonal pycnocline by turbulent mixing, terrestrial nutrients supply by monsoon floods, nutrients supply by upwellings, and light control by the thickness of upper mixed layer. Summer succession could be explained by a simple SST-MLD diagram similar to Pingree S-kh diagram with sea surface temperature as indicator of stratification (S) and mixed layer depth as indicator of light availability (kh).

서해 연안역에서 자어의 적정 채집 방법 (Proper Sampling Method for Larval Fish in the Western coastal Waters)

  • 차성식;박명정
    • 한국해양학회지
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    • 제30권1호
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    • pp.64-68
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    • 1995
  • 수심이 얕고 조류가 강한 서해 연안역에 출현하는 자어의 적정 채집 방법을 검토 하기 위하여 아산만에서 채집된 자어를 대상으로 주야간 층별 출현량을 비교하였다. 자어는 층별 출현량이 다를 뿐만 아니라 일주기 수직 이동에 의하여 수직 분포 양상이 변한다. 주간의 상층 채집 자료만을 이용하면 출현종수와 출현량이 과소 평가될 위험 이 있다. 전수층에 대한 주간 채집량이 야간보다 유의하게 작지 않으므로, 주간의 경 사 채집도 유용한 자어 채집 방법으로 판단된다.

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