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장기간 담수에서 사육한 수컷 감성돔 Acanthopagrus schlegelii의 번식기간동안 수온별 산소소비 특성
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  • 장기간 담수에서 사육한 수컷 감성돔 Acanthopagrus schlegelii의 번식기간동안 수온별 산소소비 특성
저자명
정민환,민병화,박미선,임한규,장영진,명정인,Jeong. Min-Hwan,Min. Byung-Hwa,Park. Mi-Seon,Lim. Han-Kyu,Chang. Young-Jin,Myeong. Jeong-In
간행물명
水産海洋敎育硏究
권/호정보
2014년|26권 1호|pp.72-80 (9 pages)
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한국수산해양교육학회
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

Oxygen consumption (OC) of male black porgy Acanthopagrus schlegelii reared in freshwater (BFW) and seawater (BSW) during the reproductive period was $165.4{pm}11.0$, $77.6{pm}8.0$ mg $O_2/kg/h$ at $15^{circ}C$, $186.2{pm}13.1$, $133.4{pm}6.7$ mg $O_2/kg/h$ at $20^{circ}C$ and $267.9{pm}19.1$, $198.6{pm}8.3$ mg $O_2/kg/h$ at $25^{circ}C$, respectively. During the non-reproductive period, it was shown as $174.0{pm}7.0$, $85.6{pm}5.5$ mg $O_2/kg/h$ at $15^{circ}C$, $200.6{pm}11.1$, $119.2{pm}8.7$ mg $O_2/kg/h$ at $20^{circ}C$ and $271.1{pm}7.5$, $194.7{pm}16.7$ mg $O_2/kg/h$ at $25^{circ}C$, respectively. Thus, OC of BFW was higher than BSW both for non-reproductive and reproductive period. Also, OC increased in proportion to the rise in water temperature, and there was no difference of OC between BFW and BSW at each water temperature during the reproductive or non-reproductive period. OC of BFW and BSW showed clear circadian rhythms on photic conditions of reproductive and non-reproductive period, and the fish consumed more oxygen during the dark phase than for the light phase. In particular, OC of BFW during the reproductive period increased more sharply compared to non-reproductive period when the increase of water temperature was accompanied by the shift from dark to light phase. This implies that they react to the light more sensitively for reproductive period than for non-reproductive period.