海洋沉积硅藻研究方法与应用综述
王艳娜1,2, 刘东艳2,*

Review of the Analysis and Application of Diatoms in the Marine Sediments
Wang Yanna1,2, Liu Dongyan2
图2 硅藻计数的累计丰富度曲线 [ 7 ] 4条曲线分别代表来自法国4个地区的样品；绿线Marais表明计数到250即可
Fig.2 Relationships between the numbers of valves counted and diatom species recorded Accumulative richness curves [ 7 ] The 4 curves stand for the samples collected in 4 regions in France, respectively; The green curve Marais shows that the count of only 250 was satisfying