ALGAE

  • 제21권3호
  • /
  • Pages.317-321
  • /
  • 2006
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  • 1226-2617(pISSN)
  • /
  • 2093-0860(eISSN)
한국조류학회(藻類) (The Korean Society of Phycology)
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갈조류 양식 모자반(Sargassum fulvellum)과 해적생물에 대한 pH와 염분의 효과

Effects of pH and Salinity on the Cultivated Brown Alga Sargassumfulvellum and Associated Animals

  • 황은경 (국립수산과학원 해조류연구센터) ;
  • 하동수 (국립수산과학원 해조류연구센터) ;
  • 백재민 (국립수산과학원 해조류연구센터) ;
  • 위미영 (목포대학교 해양수산자원학과) ;
  • 박찬선 (목포대학교 해양수산자원학과)
  • 발행 : 2006.09.30
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초록

The effects pH and salinity on the brown alga Sargassum fulvellum were investigated in the context of the removal of two major associated animals, Caprella scaura and Gammaropsis utinomi. Optimum quantum yield (Fv/Fm) of S. fulvellum was also examined in the same experimental conditions as an index of stress. Experiments on pH and salinity tolerances of the two animal species indicated that mortality was more than 80% at extremes of pH (2, 3, 4, 10, 11, 12) and salinity (0, 3.5, 7, 10, 44 psu) after a 5 min treatment. Lethal time (LT50) from pH 2 to pH 4 was less than 90 sec in C. scaura, and less than 70 sec in G. utinomi. From 0 to 10 psu, LT50 was less than 20 sec in C. scaura and less than 60 sec in G. utinomi. The quantum yield of S. fulvellum was not significantly different from controls within the pH range 4~10, and within the salinity range of 7-40 psu. When exposed to pH and salinity conditions outside these ranges, the effect of these factors on the removal of two animal species was higher, but quantum yield was highly reduced. These results indicate that the optimal conditions for removing the animal species without affecting optimum quantum yield were pH 4-10, and salinities 7-10 psu and 44 psu.

키워드

참고문헌

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피인용 문헌

  1. Effect of pH and salinity on the removal of phytal animals during summer cultivation of Sargassum fusiforme and Sargassum fulvellum in Korea vol.27, pp.5, 2015, https://doi.org/10.1007/s10811-014-0511-3
  2. Decontamination treatments to eliminate problem biota from macroalgal tank cultures of Osmundea pinnatifida, Palmaria palmata and Ulva lactuca vol.28, pp.6, 2016, https://doi.org/10.1007/s10811-016-0873-9
  3. Hatchery decontamination of Sargassum muticum juveniles and adults using a combination of sodium hypochlorite and potassium iodide vol.28, pp.2, 2016, https://doi.org/10.1007/s10811-015-0672-8
  4. Seaweed aquaculture: cultivation technologies, challenges and its ecosystem services vol.32, pp.1, 2017, https://doi.org/10.4490/algae.2017.32.3.3