Effects of temperature, salinity, and irradiance on the growth of the dinoflagellate Akashiwo sanguinea

Tadashi Matsubara, Sou Nagasoe, Yasuhiro Yamasaki, Tomoyuki Shikata, Yohei Shimasaki, Yuji Oshima, Tsuneo Honjo

研究成果: Contribution to journalArticle査読

84 被引用数 (Scopus)

抄録

The effects of temperature, salinity, and irradiance on the growth of the dinoflagellate Akashiwo sanguinea were examined in the laboratory. The irradiance at the light compensation point (I0) was 14.40 μmol m- 2 s- 1 and the irradiance at growth saturation (Is) was 114 μmol m- 2 s- 1. We exposed A. sanguinea to 48 combinations of temperature (5-30 °C) and salinity (5-40) under saturating irradiance; it exhibited its maximum growth rate of 1.13 divisions/day at a combination of 25 °C and salinity of 20. A. sanguinea was able to grow at temperatures from 10 to 30 °C and salinities from 10 to 40. This study revealed that A. sanguinea was a eurythermal and euryhaline organism; in Japan it should have formed blooms in early summer, when salinity was relatively low. In addition, it was noteworthy that A. sanguinea had markedly cold-durability, retaining the motile form of vegetative cells for more than 50 days at 5 °C and at salinities of 25-30.

本文言語英語
ページ(範囲)226-230
ページ数5
ジャーナルJournal of Experimental Marine Biology and Ecology
342
2
DOI
出版ステータス出版済み - 4 16 2007
外部発表はい

All Science Journal Classification (ASJC) codes

  • 生態、進化、行動および分類学
  • 水圏科学

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