Growth rates of six coccolithophorid strains as a function of temperature
Growth rates of six coccolithophorid strains as a function of temperature
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DOI：
10.4319/lo.2008.53.3.1181
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发表时间：
2008-05-01
影响因子：
4.5
通讯作者：
Malin, Gill
中科院分区：
文献类型：
--
作者：
Buitenhuis, Erik T.;Pangerc, Tanja;Malin, Gill
我们确定了六种球石藻菌株（五种）的生长速率作为温度的函数。我们在 6 摄氏度至 25 摄氏度之间的六个温度下培养了四种菌株（三种菌株：Emiliania huxleyi、Gephyrocapsa oceanica 和两种 Calcidiscus leptoporus 菌株），在四种温度下培养了 Braarudii，在两种温度下培养了 Syracosphaera pulchra。生长速度在很大程度上与这些物种的生物地理分布一致。 C. braarudii在低温下生长相对较快，C. leptoporus的两个菌株的最适温度为12℃和20℃，E. huxleyi的最适温度为20℃，而G. oceanica（和S. pulchra）的生长速率在最高测试温度25℃时有所增加。这表明最大生长速率是控制海洋分布的重要因素，但不是唯一的因素。
We determined growth rates of six coccolithophorid strains (five species) as a function of temperature. We grew four strains (three species: Emiliania huxleyi, Gephyrocapsa oceanica, and two strains of Calcidiscus leptoporus) at six temperatures between 6 degrees C and 25 degrees C, Coccolithus braarudii at four temperatures, and Syracosphaera pulchra at two temperatures. The growth rates were to a large extent consistent with the biogeographical distributions of these species. C. braarudii grows relatively fast at low temperatures, the two strains of C. leptoporus have temperature optima of 12 degrees C and 20 degrees C, E. huxleyi has an optimum at 20 degrees C, and the growth rate of G. oceanica (and S. pulchra) increases up to the highest tested temperature of 25 degrees C. This shows that maximum growth rate is an important factor in controlling distribution in the ocean, but it is not the only one.