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Seasonal variation in the abundance of the demersal copepod Pseudodiaptomus sp. (Calanoida, Pseudodiaptomidae) in the Seomjin River estuary, southern Korea

박은옥|서호영|서해립
한국환경생물학회 (Korean Society Of Environmental Biology)|2005.12|환경생물 (Korean Journal of Environmental Biology)|제23권 제4호|pp. 367-373

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Abstract

We conducted a year long survey in 2000 to examine seasonal fluctuations in theabundance of the demersal copepod Pseudodiaptomus sp., the dominant copepod in the SeomjinPseudodiap-tomus sp. was found throughout the year in the entire range of salinities measured, but mostindividuals appeared at oligohaline conditions below 5.0psu, and less than 2% were observed inpolyhaline conditions above 18.0psu. The peak abundance occurred during autumn in oligohalinewaters, and the density was relatively low during the rainy season in summer. In spring andautumn, copepodites were most abundant in oligohaline waters, although they were also fairlyabundant in mesohaline conditions (518 psu). Females with egg sacs appeared in oligoandmesohaline waters during spring and autumn but were seldom found in polyhaline conditionsthroughout the year. Our results indicate that, despite the strong physical influence of the tide,Pseudodiaptomus sp. can manipulate its position to remain at its preferred salinity. We also foundthat spawning mainly occurred in oligohaline waters twice a year.

참고문헌 (20)

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Distribution Patterns of Calanoid Copepods along the Seomjin River Estuary in Southern Korea during Summer김종규, 박은옥, 서민호, 서호영, Muhammad Shafiqur Rahman한국환경생물학회 · 환경생물2013 · 제31권 제2호Spatio-Temporal Distribution of the Genus Acartia (Copepoda: Calanoida) in the Southwestern Waters of KoreaHoYoungSoh, HyeonGyeongJeong한국환경생물학회 · 환경생물2003 · 제21권 제4호광양만 동물플랑크톤 군집의 계절 변화장만, 박동원, 신경순, 장민철, 장풍국한국환경생물학회 · 환경생물2004 · 제22권 제2호Spatial and Temporal Distribution of Zooplankton in Gwangyang and Sachon Bay, Korea김세화한국환경생물학회 · 환경생물2005 · 제23권 제2호섬진강 하구 및 광양만의 동물플랑크톤 군집 구조 및 요각류와 환경요인간 상관관계 분석곽인실, 유재현, 지창우한국수산과학회 · 한국수산과학회지2025 · 제58권 제2호춘계 탐진강 하구역의 동물플랑크톤 군집 동태김세화한국환경생물학회 · 환경생물2015 · 제33권 제1호

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