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NTIS 바로가기한국수산과학회지 = Korean journal of fisheries and aquatic sciences, v.50 no.2, 2017년, pp.153 - 159
문혜나 (제주대학교 해양생명과학과) , 박진희 (한화 호텔&리조트) , 박천만 (제주대학교 해양생명과학과) , 남궁진 (제주대학교 해양생명과학과) , 김기혁 (제주대학교 해양생명과학과) , 여인규 (제주대학교 해양생명과학과)
We examined changes in the physiological responses of gray mullet Mugil cephalus exposed to acidic seawater (pH 6.0, 6.5, 7.0) and normal seawater (pH 8.0, control) for 15 days. As pH decreased, survival rate and body weight also decreased. Levels of aminotransferase, total protein and triglycerides...
핵심어 | 질문 | 논문에서 추출한 답변 |
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화석연료의 연소에 의해 방출된 CO2로 인하여 초래하는 결과는? | , 2007). 특히 화석연료의 연소에 의해 방출된 대기중의 CO2는 해양으로 흡수되어 탄산염(carbonate) 및 중탄산염(bicarbonate)을 생성하게 되고, 해양의 수소이온농도(pH)의 감소를 유도하여 해양 산성화(ocean acidification)를 초래한다(Gattuso and Buddemeier, 2000). | |
수중의 pH의 변화로 해양 산성화가 어류에게 미치는 영향은? | , 2004). 현재까지 해양 산성화가 상어(Mustelus canis), 연어(Oncorhynchus gorbuscha) 및 큰 가시고기(Gasterosteus aculeatus)와 같은 어종에서 성장 저하, 감각기능 손상 및 신경 전달물질 기능의 변화로 인한 행동 변화 등 다양한 장애를 유발하고, 물질수송과정에 영향을 미쳐 어류의 호흡 및 산소수송기능의 저하를 가져오는 것으로 보고되고 있다(Pörtner et al., 2004; Dixson et al. | |
자연상태 해수의 pH 농도 범위는? | 일반적으로 자연상태 해수(약 35 psu)의 pH는 7.8-8.2의 범위로 일정하게 유지되며, pH가 그 이하로 내려가는 것은 극히 드물었지만, 앞서 언급 하였듯이 CO2의 방출량 증가로 인한 기후의 변화로 인해 해양의 pH가 산성화됨에 따라 해양생태계에 큰 문제를 야기할 것으로 여겨지고 있다(Knutzen, 1981). 이에 해양 산성화는 전 세계적인 문제로서 대두되고 있으며, 2000년대 초반부터 해양 산성화가 해양 생물에 미치는 영향에 관한 연구가 급격히 증가하고 있다(Gattuso and Hansson, 2011). |
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