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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2020.4
- 수록면
- 230 - 237 (8page)
이용수
초록· 키워드
오류제보하기
Nitrogen flux release from organically enriched sediments into overlying water, which may have significantly influence on water quality and increasing continuous eutrophication. The purpose of this study is to evaluate the remediation efficiency of oyster shell powder and its treated product into organically enriched sediment in terms of nitrogen flux, organic matter, chlorophyll-a, pH and dissolved oxygen (DO). The TOSP was mainly composed of CaO2. The application of TOSP into the sediment has increased the pH, DO and significantly decreased the concentrations of NH₄+-N and T-N compared to other basins. On the other hand, nitrate was enriched with the addition of treated oyster powder, an oxygen releasing compound on both phases. Furthermore, chlorophyll-a was found to be increasing with time in the control basin meanwhile it dropped drastically with the addition of TOSP, which implied on the repression of algal growth owing to blockage of nitrogen source migrating from the sediment. This study has shown that the TOSP was effective to improve sediment-water quality, diminish eutrophication and control harmful algae blooms in a marine environment. Therefore, it is a good reference as an effective environmental remediation agent.
목차
ABSTRACT
1. Introduction
2. Materials and Methods
3. Results and Discussion
4. Conclusions
References
참고문헌 (32)
참고문헌 신청
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Schumacher J, Dolch T, Reise K. Transitions in sandflat biota since the 1930s: Effects of sea-level rise, eutrophication and biological globalization in the tidal bay Konigshafen, northern Wadden Sea. Helgol. Mar. Res. 2014;68:289-298.
Glibert PM, Burkholder JM. Harmful algal blooms and eutrophication: Strategies for nutrient uptake and growth outside the Redfield comfort zone. Chinease J. Oceanol. Limnol. 2011;29: 729-738.
Nagasoe S, Shikata T, Yamasaki Y, et al. Effects of nutrients on growth of the red-tide dinoflagellate Gyrodinium instriatum Freudenthal et Lee and a possible link to blooms of this species. Hydrobiologia 2010;651:225-238.
Jayaweera M, Asaeda T. Impacts of environmental scenarios on chlorophyll-a in the management of shallow, eutrophic lakes following biomanipulation: An application of a numerical model. Ecol. Eng. 1995;5:445-468.
Schumacher J, Dolch T, Reise K. Transitions in sandflat biota since the 1930s: Effects of sea-level rise, eutrophication and biological globalization in the tidal bay Konigshafen, northern Wadden Sea. Helgol. Mar. Res. 2014;68:289-298.
Glibert PM, Burkholder JM. Harmful algal blooms and eutrophication: Strategies for nutrient uptake and growth outside the Redfield comfort zone. Chinease J. Oceanol. Limnol. 2011;29: 729-738.
Nagasoe S, Shikata T, Yamasaki Y, et al. Effects of nutrients on growth of the red-tide dinoflagellate Gyrodinium instriatum Freudenthal et Lee and a possible link to blooms of this species. Hydrobiologia 2010;651:225-238.
Jayaweera M, Asaeda T. Impacts of environmental scenarios on chlorophyll-a in the management of shallow, eutrophic lakes following biomanipulation: An application of a numerical model. Ecol. Eng. 1995;5:445-468.
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