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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2009.1
- 수록면
- 70 - 77 (8page)
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초록· 키워드
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Porphyra yezoensis is known to act as a biofilter against nutrient-rich effluent in seaweed-based integrated aquaculture systems. However, few studies have examined its physiological status under such conditions. In this study, we estimated the photosynthetic activity of P. yezoensis by chlorophyll fluorescence of PSII (∆F/F'm and relative ETRmax) using the Diving-PAM fluorometer (Walz, Germany). In addition, bioremediation capacity, tissue nutrients, and C:N ratio of P. yezoensis were investigated. The ammonium concentration in seawater of seaweed tank 4 decreased from 72.1±2.2 to 33.8±0.4 µM after 24 hours. This indicates the potential role of P. yezoensis in removing around 43% of ammonium from the effluents. Tissue carbon contents in P. yezoensis were constant during the experimental period, while nitrogen contents had increased slightly by 24 hours. In comparison with the initial values, the ∆F/F'm and rETRmax of P. yezoensis had increased by about 20 and 40%, respectively, after 24 hours. This indicates that P. yezoensis condition improved or remained constant. These results suggest that chlorophyll fluorescence is a powerful tool in evaluating the physiological status of seaweeds in a seaweed-based integrated aquaculture system.
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참고문헌 (21)
참고문헌 신청
Buschmann, A.H. / 2001 / Integrated algal farming; a review / Cah. Biol. Mar. 42 : 83 ~ 90
Cabello-Pasini, A. / 2000 / Photoinhibition of photosynthesis in Macrocystis pyrifera (Phaeophyceae), Chondrus crispus (Rhodophyceae) and Ulva lactuca (Chloro-phyceae) in out
Carmona, R. / 2006 / Exploring Northeast American and Asian species of Porphyra for use in an integrated finfish-algal aquaculture system / Aquaculture (252) : 54 ~ 65
Chopin, T. / 1998 / Nutrients or not nutrients? That is the question in seaweed aquaculture and the answer depends on the type and purpose of the aqua-culture system / World
Chopin, T. / 1999 / Developing Porphyra/salmon inte-grated aquaculture for bioremediation and diversifi-cation of the aquaculture industry / J. Appl. Phycol. 11 : 463 ~ 472
Cabello-Pasini, A. / 2000 / Photoinhibition of photosynthesis in Macrocystis pyrifera (Phaeophyceae), Chondrus crispus (Rhodophyceae) and Ulva lactuca (Chloro-phyceae) in out
Carmona, R. / 2006 / Exploring Northeast American and Asian species of Porphyra for use in an integrated finfish-algal aquaculture system / Aquaculture (252) : 54 ~ 65
Chopin, T. / 1998 / Nutrients or not nutrients? That is the question in seaweed aquaculture and the answer depends on the type and purpose of the aqua-culture system / World
Chopin, T. / 1999 / Developing Porphyra/salmon inte-grated aquaculture for bioremediation and diversifi-cation of the aquaculture industry / J. Appl. Phycol. 11 : 463 ~ 472
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