TY - JOUR
T1 - Effects of temperature, salinity, and irradiance on the growth of the dinoflagellate Akashiwo sanguinea
AU - Matsubara, Tadashi
AU - Nagasoe, Sou
AU - Yamasaki, Yasuhiro
AU - Shikata, Tomoyuki
AU - Shimasaki, Yohei
AU - Oshima, Yuji
AU - Honjo, Tsuneo
PY - 2007/4/16
Y1 - 2007/4/16
N2 - 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.
AB - 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.
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U2 - 10.1016/j.jembe.2006.09.013
DO - 10.1016/j.jembe.2006.09.013
M3 - Article
AN - SCOPUS:33847386260
SN - 0022-0981
VL - 342
SP - 226
EP - 230
JO - Journal of Experimental Marine Biology and Ecology
JF - Journal of Experimental Marine Biology and Ecology
IS - 2
ER -