Early Oligocene dinoflagellate cysts from the Upper Rhine Graben

Using principal component analysis and cyst diversity and equity trends, we can recognize four distinct dinoflagellate cyst (dinocyst) assemblages from four Rupelian (Early...通过主成分分析（Principal Component Analysis）与沟鞭藻囊孢多样性及均匀度变化趋势，我们可从4个吕珀尔期（早……）的地层中识别出4种截然不同的沟鞭藻囊孢（dinocyst）组合。