Abstract

Abstract Analysis of conventional percentage frequency data from 167 palynomorph‐rich samples from the Eocene of southern Britain by principal components analysis and cluster analysis is making it possible to disentangle the effects of pollen transport and catchment and other facies‐related perturbations from real ecological information. Three major natural groups of pollen and spore taxa have been recognized within these assemblages whose internal ecological homogeneity suggests that they record groups of plant communities that are identified as Eocene versions of deciduous forest, fern and conifer forest, and paratropical rain forest. The paleoecological structure of the three communities is explained and their change during the Eocene is recorded. By analogy with temperature of modern vegetation types this method of analysis of palynological data is used to reconstruct Tertiary climatic changes.

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