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Distribution of pelagic blue-green algae in the North Pacific Ocean

机译：北太平洋骨质蓝绿藻的分布

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摘要

The distribution of pelagic blue-green algae, especially ofTrichodesmium thiebautii, was investigated on the basis of the collection of theHakuhō Maru Cruise KH-69-4 along 155°W (50°N-15°S) in the North Pacific Ocean from September to November 1969.(1)Five species were identified:Trichodesmium thiebautii (most predominant),T. erythraeum, Oscillatoria sp.,Katagnymene spiralis andRichelia intracellularis.?(2)T. thiebautii was most abundant in the western North Pacific central water and abundant next to it in the equatorial water, but it did not occur in the subarctic water.?(3)T. thiebautii was ubiquitously distributed in the lower layer of 100–200 m in the equatorial water, though not in a large quantity.?(4)T. thiebautii inhabited only the water warmer than 20°C. In its main habitat, nitrate and nitrite were almost zero, but ammonia and phosphate were present. There was not found any correlation between its occurrence and the salinity.?(5)Blue-green algae were generally thinly populated in the water rich in diatoms.
机译：从9月从北太平洋的155°W（50°N-15°S）的收集，在北太平洋沿着北太平洋的155°W（50°N-15°S）的收集，研究了骨灰蓝绿藻的分布，尤其是Thiebautii。到1969年11月。（1）确定了五种物种：Trichodesmium Thiebautii（最主要的），T。红斑，震动素，斯卡塔尼亚毒素螺旋霉菌植物甾粒细胞.?(2）。泰巴普岛在西北太平洋中央水域最丰富，在赤道水中旁边很丰富，但它在亚群水中没有发生。（3）。泰bautii在赤道水中的下层普遍分布在赤道水中100-200米的下层，但不大量。（4）。 Thiebautii只居住在20°C上的水暖。在其主要栖息地，硝酸盐和亚硝酸盐几乎为零，但存在氨和磷酸盐。未发现其发生与盐度之间的任何相关性。（5）升 - 藻类在富含硅藻的水中通常稀薄地填充。

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