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저서환경에서 이산화탄소 노출에 따른 국내산 해산무척추동물요각류(Tisbe sp.)와 단각류(Monocorophium acherusicum)의 만성영향
문성대 ( Seong Dae Moon ),최태섭 ( Tae Seob Choi ),성찬경 ( Chan Gyoung Sung ),이정석 ( Jung Suk Lee ),박영규 ( Young Gyu Park ),강성길 ( Seong Gil Kang ) 한국환경과학회 2013 한국환경과학회지 Vol.22 No.3
Chronic effects such as reproduction and population dynamics with elevated CO2 concentration were evaluated using two Representative marine benthic species, copepod(Tisbe sp.) and amphipod(Monocorophium acherusicum) adopting long term exposure. Juvenile copepod and amphipod individuals were cultivated in the seawater equilibrated with control air (0.395mmol CO2/air mol) and high CO2 air having 0.998, to 3.03, 10.3 and 30.1 mmol CO2/air mol during 20 and 46 days, respectively. After the exposure period, the number of benthic invertebrate was counted with separate larval and juvenile stage such as naupliar, copepodid and adult for copepod, or neonate and adult for amphipod, respectively. The individual number of bothtese species at each life stage was significantly decreased in seawater with 10.3 mmol CO2/air mol or higher. Recently, the technology of marine CO2 sequestration has been developed for the reduction of CO2 emission, which may cause climate change. However, under various scenarios of CO2 leaks during the injection process or sequestrated CO2 in marine geological structure. The potential risk to organism including various invertebrates can be expected to exposure. So the results of this study suggested that the detailed consideration on the adverse effect with marine ecosystem can be prerequisite for marine CO2 sequestration projects.