2015년 하계 제주 행원리 일대 양식장주변 해수 중 용존유기물 분포와 기원
Distributions and Sources of Dissolved Organic Matter in Seawaters Surrounding Aqua Farms on the Haengwon-ri in Jeju-Island in Summer 2015
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초록
Concentrations of dissolved organic carbon (DOC), dissolved organic nitrogen (DON), dissolved organic phosphate (DOP), and colored dissolved organic matter (CDOM) were measured in the coastal sea off inland aqua farms in northeastern Jeju Island in summer 2015. The highest concentrations of DOC, DON, and DOP were revealed in the surface water off Hado-ri where the lowest salinity conditions prevailed (31.6). The concentrations of DOC, DON, and DOP in the surface water were lower in the inner stations (SH1-1, 1-2, and 1-3) near the aqua farms of the Haengwon-ri than in the outer stations. The concentrations of DOC, DON, and DOP negatively correlated with salinity. These results indicate that the contribution of dissolved organic matter (DOM) from the aqua farms seems to be not significant. On the other hand, the higher concentrations of DON and DOP in the inner stations of Hado-ri (HD 1-1) seem to be attributed to excrement of migrating birds. The three components of CDOM (T, M, and C peaks) showed no relationship with salinity, perhaps due to various in situ productions by marine organisms and decomposition by ultraviolet radiation. The observed lower C:M ratio, an indicator of terrestrial source, and the higher biological index (BIX) of CDOM in the station off Hado-ri indicate that DOM is produced mainly by biological activity. Based on the higher humification index (HIX) of CDOM and the higher DOC:DON ratio off Haengwon-ri, refractory DOM in the inland aqua farms is likely transported to the coastal sea.
Abstract
Concentrations of dissolved organic carbon (DOC), dissolved organic nitrogen (DON), dissolved organic phosphate (DOP), and colored dissolved organic matter (CDOM) were measured in the coastal sea off inland aqua farms in northeastern Jeju Island in summer 2015. The highest concentrations of DOC, DON, and DOP were revealed in the surface water off Hado-ri where the lowest salinity conditions prevailed (31.6). The concentrations of DOC, DON, and DOP in the surface water were lower in the inner stations (SH1-1, 1-2, and 1-3) near the aqua farms of the Haengwon-ri than in the outer stations. The concentrations of DOC, DON, and DOP negatively correlated with salinity. These results indicate that the contribution of dissolved organic matter (DOM) from the aqua farms seems to be not significant. On the other hand, the higher concentrations of DON and DOP in the inner stations of Hado-ri (HD 1-1) seem to be attributed to excrement of migrating birds. The three components of CDOM (T, M, and C peaks) showed no relationship with salinity, perhaps due to various in situ productions by marine organisms and decomposition by ultraviolet radiation. The observed lower C:M ratio, an indicator of terrestrial source, and the higher biological index (BIX) of CDOM in the station off Hado-ri indicate that DOM is produced mainly by biological activity. Based on the higher humification index (HIX) of CDOM and the higher DOC:DON ratio off Haengwon-ri, refractory DOM in the inland aqua farms is likely transported to the coastal sea.
참고문헌 (34)
- Amon RMW, "Bacterial utilization of different size classes of dissolved organic matter", Limnol Oceanogr, 41, pp.41~51 (1996)
- Carlson CA, "Dissolved organic carbon in the upper ocean of the central equatorial Pacific Ocean, 1992: daily and finescale vertical variations", Deep-Sea Res, 42, pp.639~656 (1995)
- Carlson CA, "Annual flux of dissolved organic carbon from the euphotic zone in the northwestern Sargasso Sea", Nature, 371, pp.405~408 (1994)
- Coble PG, "Characterization of marine and terrestrial DOM in seawater using excitation-emission matrix spectroscopy", Mar Chem, 51, pp.325~346 (1996)
- Coble PG, "Marine optical biogeochemistry:the chemistry of ocean color", Chem Rev, 107, pp.402~418 (2007)
- Doval MD, "Organic carbon and apparent oxygen utilization in the western South Pacific and the central Indian Oceans", Mar Chem, 68, pp.249~264 (2000)
- Emerson S, "Processes controlling the organic carbon content of open ocean sediments", Paleoceanography, 3, pp.621~634 (1988)
- Hansell DA, "Deep-ocean gradients in the concentration of dissolved organic carbon", Nature, 395, pp.263~266 (1998)
- Hansell DA, "Dissolved organic carbon export with North Pacific Intermediate water formation", Global Biogeochem Cy, 16, pp.7-1~7-8 (2002)
- Huguet A, "Properties of fluorescent dissolved organic matter in the Gironde Estuary", Org Geochem, 40, pp.706~719 (2009)
- Jackson GA, "Importance of dissolved organic nitrogen and phosphorus to biological nutrient cycling", Deep-Sea Res, 32, pp.223~235 (1985)
- Study on the solving conflicts between fishing village community and residents in using community fishing ground, "JDI", Jeju Development Institute, 135~ (2008)
- 정용훈, "금강호의 장기 수질 변화요인 분석: 철새배설물에 의한 TP부하의 중요성", 한국해양환경•에너지학회지, 13(4), pp.223~233 (2010), 한국해양환경·에너지학회
- Jiao N, "Microbial production of recalcitrant dissolved organic matter: long-term carbon storage in the global ocean", Nature Rev Microbiol, 8, pp.593~599 (2010)
- Kang YQ, "Annual variation of salinity in the neighbouring seas of Korea", J Korean Soc Oceanogr, 19, pp.105~110 (1984)
- Karl DM, "Biogeochemistry of marine dissolved organic matter", pp.233~334 (2015), Elsevier
- Guebuem Kim, "Large submarine groundwater discharge (SGD) from a volcanic island", Geophysical Research Letters, 30(21) (2003), American Geophysical Union (AGU)[DOI]
- Kim T-H, "Factors controlling the C:N:P stoichiometry of dissolved organic matter in the Nlimited, cyanobacteria-dominated East", Japan Sea, 2013, pp.115−116, 1~9
- Tae-Hoon Kim, "Extraordinary slow degradation of dissolved organic carbon (DOC) in a cold marginal sea", Scientific Reports, 5(1) (2015), Springer Nature[DOI]
- Kim T-H, "Dissolved organic matter in the subterranean estuary of a volcanic island, Jeju: importance of dissolved organic nitrogen fluxes to the ocean", J Sea Res, 78, pp.18~24 (2013)
- 고혁준, "제주연안 육상양식장 밀집지역 주변해역의 영양염 과잉 요인", 해양환경안전학회지, 19(4), pp.315~326 (2013), 해양환경안전학회[DOI]
- "Korean Satistical Information Service Web" (2016)[URL]
- Letscher RT, "Dissolved organic nitrogen in the global surface ocean: distribution and fate", Global Biogeochem Cy, 27, pp.141~153 (2013)
- Manny BA, "Nutrient additions by waterfowl to lakes and reservoirs: predicting their effects on productivity and water quality", Hydrobiologia, 279, pp.121~132 (1994)
- Nagata T, "Release of dissolved organic matter by heterotrophic protozoa: implications for microbial food webs", Arch Hydrobiol Beih Ergebn Limnol, 35, pp.99~109 (1992)
- NFRDI, "Oceanographic handbook of the neighbouring seas of Korea", pp.436~ (2001), Yemoon Press
- Orrett K, "Dissolved organic phosphorus production in surface seawaters", Limnol Oceanogr, 32, pp.383~395 (1987)
- Redfield AC, "The sea, vol 2", pp.26~77 (1963), Interscience
- Sipler RE, "Biogeochemistry of marine dissolved organic matter", pp.233~334 (2015), Elsevier
- Kazuki Tanaka, "Accumulation of humic-like fluorescent dissolved organic matter in the Japan Sea", Scientific Reports, 4(1), pp.5292~ (2015), Springer Nature[DOI]
- Walsh TW, "Total dissolved nitrogen in seawater: a new-high-temperature combustion method and a comparison with photo-oxidation", Mar Chem, 26, pp.295~311 (1989)
- Williams PLB, "The importance of losses during microbial growth: commentary on the physiology, measurement and ecology of the release of dissolved organic material", Mar Microb Food Webs, 4, pp.175~206 (1990)
- Williams PM, "Radiocarbon in dissolved organic matter in the central North Pacific Ocean", Nature, 330, pp.246~248 (1987)
- Zsolnay A, "Differentiating with fluorescence spectroscopy the sources of dissolved organic matter in soils subjected to drying", Chemosphere, 38, pp.45~50 (1999)