中文摘要：

硅藻是到由为超过 40% 全部的海洋的主要生产的财务的全球碳固定的占优势的贡献者之一并且统治出口生产。他们在海洋的简历地球化学周期起一个重要作用。硅藻地席存款是广阔硅藻花蕾的结果。由在 136 ° 0 的硅藻地席的分析 0 ′−140 ° 0 0 ′E， 15 ° 0 0 ′−21 ° 0 0 ′N，东方菲律宾海，我们作为巨大的 Ethmodiscus 国王(Wallich ) 识别了硅藻的种类 Hendey。AMS ¹⁴ 标明日期的 C 证明在硅藻地席的沉积富人发生在 16000 −28600 期间 B.P，意味着花蕾主要发生在最后冰川的时期期间，当在另外的层没有硅藻地席存款时。初步的分析显示向北方扩展并且把充满硅酸盐的水带进也就是，硅漏处理的区域的南极中间的水(AAIW ) 引起了硅藻的花蕾。另外，铁输入的增加是为硅藻花蕾的主要原因之一。

英文摘要：

Diatoms are one of the predominant contributors to global carbon fixation by accounting for over 40% of total oceanic primary production and dominate export production. They play a significant role in marine biogeochemistry cycle. The diatom mat deposits are results of vast diatoms bloom. By analysis of diatom mats in 136°00′--140°00′E, 15°00′--21°00′N, Eastern Philippines Sea, we identified the species of the diatoms as giant Ethmodiscus rex （Wallich） Hendey. AMS 14C dating shows that the sediments rich in diatom mats occurred during 16000--28600 a B.P., which means the bloom mainly occurred during the last glacial period, while there are no diatom mat deposits in other layers. Preliminary analysis indicates that Antarctic Intermediate Water （AAIW） expanded northward and brought silicate-rich water into the area, namely, silicon leakage processes caused the bloom of diatoms. In addition, the increase of iron input is one of the main reasons for the diatom bloom.