지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2020.6
- 수록면
- 274 - 280 (7page)
이용수
초록· 키워드
오류제보하기
The marine sediment sustains from the anoxic condition due to increased nutrients of external sources. The nutrients are liberated from the sediment, which acts as an internal source. In hypoxic environments, anaerobic respiration results in the formation of several reduced matters, such as N₂ and NH₄<SUP>+</SUP>, N₂O, Fe<SUP>2+</SUP>, H₂S, etc. The experimental results have shown that nitrogen and sulfur played an influential, notable role in this biogeochemical cycle with expected chemical reductions and a ‘diffusive’ release of present nutrient components trapped in pore water inside sediment toward the bulk water. Nitate/ammonium, sulfate/sulfides, and ferrous/ferric irons are found to be the key players in these sediment-waters mutual interactions. Organonitrogen and nitrate in the sediment were likely to be converted to a form of ammonium. Reductive nitrogen is called dissimilatory nitrate reduction to ammonium and denitrification. The steady accumulation in the sediment and surplus increases in the overlying waters of ammonium strongly support this hypothesis as well as a diffusive action of the involved chemical species. Sulfate would serve as an essential electron acceptor so as to form acid volatile sulfides in present of Fe<SUP>3+</SUP>, which ended up as the Fe<SUP>2+</SUP> positively with an aid of the residential microbial community.
목차
ABSTRACT
1. Introduction
2. Materials and Methods
3. Results and Discussion
4. Conclusions
References
참고문헌 (39)
참고문헌 신청
Broggiato A, Arnaud-Haond S, Chiarolla C, Greiber T. Fair and equitable sharing of benefits from the utilization of marine genetic resources in areas beyond national jurisdiction: Bridging the gaps between science and policy. Mar. Policy 2014;49: 176-185.
Ferrol-Schulte D, Gorris P, Baitoningsih W, Adhuri DS, Ferse SCA. Coastal livelihood vulnerability to marine resource degradation: A review of the Indonesian national coastal and marine policy framework. Mar. Policy 2015;52:163-171.
MOF. Study on the total pollution loads management system in Masan Bay, a special management area and terrestrial pollution source management. Seoul: Ministry of Oceans and Fisheries; 2013.
Zhang Z, Lo IMC, Zheng G, Woon KS, Rao P. Effect of autotrophic denitrification on nitrate migration in sulfide-rich marine sediments. J. Soil. Sedi. 2015;15:1019-1028.
Wu FC, Qing HR, Wan GJ. Regeneration of N, P, and Si near the sediment/water interface of lakes from southwestern China plateau. Water Res. 2001;35:1334-1337.
Ferrol-Schulte D, Gorris P, Baitoningsih W, Adhuri DS, Ferse SCA. Coastal livelihood vulnerability to marine resource degradation: A review of the Indonesian national coastal and marine policy framework. Mar. Policy 2015;52:163-171.
MOF. Study on the total pollution loads management system in Masan Bay, a special management area and terrestrial pollution source management. Seoul: Ministry of Oceans and Fisheries; 2013.
Zhang Z, Lo IMC, Zheng G, Woon KS, Rao P. Effect of autotrophic denitrification on nitrate migration in sulfide-rich marine sediments. J. Soil. Sedi. 2015;15:1019-1028.
Wu FC, Qing HR, Wan GJ. Regeneration of N, P, and Si near the sediment/water interface of lakes from southwestern China plateau. Water Res. 2001;35:1334-1337.
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