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오승용,조정관 한국NGO학회 2017 NGO연구 Vol.12 No.3
This study describes both the background and the process in Honam(Southwestregion of South Korea) of the 19th presidential election in 2017, and analyzes itsresults by utilizing various survey data. This study wonders why the high popularsupport in Honam of Kukmin Party(People’s Party) shown in the preceding 20thNational Assembly elections faded away so drastically. It finds that the 2016“Rebate” corruption case and the presidential impeachment process in turn havecontributed to the change a lot. The presidential election was heavily affected by the impeachment process anda series of candle-light mobilizations. Ideological inclination is found to be adecisive factor in choosing presidential candidates. The progressive civil society,having been negative to the opposition party’s split, was invigorated by themobilizations and became strongly supportive to the Democratic Party whichpromised a clear transfer of government between political powers. In ballots,Honam voters turned out to be less homogeneous than before. There seems to bechances of realigning political parties. The existing regional party system may bereplaced by a more ideological party competition if Ahn Cheol Soo’s attempt toset up a party with centrism is successful.
볼락 Sebastes inermis 치어의 암모니아 배설에 미치는 수온의 영향
오승용,최상준 한국해양과학기술원 2009 Ocean and Polar Research Vol.31 No.3
A study was carried out to investigate the effect of water temperature on daily pattern and rate of total ammonia nitrogen (TAN) excretion in juvenile dark-banded rockfish Sebastes inermis (mean body weight: 14.8±0.3 g) under fasting and feeding conditions. Fish were acclimated over 10 days under three different water temperatures (15, 20 and 25℃). After 72 hours of starvation, fasting TAN excretion was measured at each temperature. To investigate post-prandial TAN excretion, fish were hand-fed with a commercial diet containing 47.7% crude protein for 7 days, two times daily at 09:00 and 17:00 hr. Water was sampled from both the inlet and outlet of each chamber every 2 hrs over a 24 hr period. Both fasting and post-prandial TAN excretion increased with increase in water temperature (P<0.05). Mean fasting TAN excretion rates at 15, 20 and 25℃ were 8.1, 9.0 and 9.2 mg TAN kg fish−1 h−1, respectively. The value of 15℃ was lower than those of 20 and 25℃ (P<0.05), but there was no significant difference between 20℃ and 25℃ (P>0.05). Mean post-prandial TAN excretion rates at 15, 20 and 25℃ were 20.1, 22.9 and 23.4 mg TAN kg fish−1 h−1, respectively. A peak post-prandial TAN excretion rate occurred after 12 hrs from the first feeding at 15℃ (mean 28.7 mg TAN kg fish−1 h−1), 20℃ (33.7 mg TAN kg fish−1 h−1) and 25℃ (36.8 mg TAN kg fish−1 h−1), respectively. The TAN loss for ingested nitrogen at 15℃ (36.2%) was lower than that of 20℃ (40.8%) and 25℃ (41.7%). Based on overall results, water temperature exerts a profound influence on the nitrogen metabolism of juvenile dark-banded rockfish. A study was carried out to investigate the effect of water temperature on daily pattern and rate of total ammonia nitrogen (TAN) excretion in juvenile dark-banded rockfish Sebastes inermis (mean body weight: 14.8±0.3 g) under fasting and feeding conditions. Fish were acclimated over 10 days under three different water temperatures (15, 20 and 25℃). After 72 hours of starvation, fasting TAN excretion was measured at each temperature. To investigate post-prandial TAN excretion, fish were hand-fed with a commercial diet containing 47.7% crude protein for 7 days, two times daily at 09:00 and 17:00 hr. Water was sampled from both the inlet and outlet of each chamber every 2 hrs over a 24 hr period. Both fasting and post-prandial TAN excretion increased with increase in water temperature (P<0.05). Mean fasting TAN excretion rates at 15, 20 and 25℃ were 8.1, 9.0 and 9.2 mg TAN kg fish−1 h−1, respectively. The value of 15℃ was lower than those of 20 and 25℃ (P<0.05), but there was no significant difference between 20℃ and 25℃ (P>0.05). Mean post-prandial TAN excretion rates at 15, 20 and 25℃ were 20.1, 22.9 and 23.4 mg TAN kg fish−1 h−1, respectively. A peak post-prandial TAN excretion rate occurred after 12 hrs from the first feeding at 15℃ (mean 28.7 mg TAN kg fish−1 h−1), 20℃ (33.7 mg TAN kg fish−1 h−1) and 25℃ (36.8 mg TAN kg fish−1 h−1), respectively. The TAN loss for ingested nitrogen at 15℃ (36.2%) was lower than that of 20℃ (40.8%) and 25℃ (41.7%). Based on overall results, water temperature exerts a profound influence on the nitrogen metabolism of juvenile dark-banded rockfish.