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Holocene Spores and Microscopic Algae from the Yangtze River Delta, East China
详细信息   
摘要

///Abundant fern spores and microscopic algae have been recovered from Core DY03 drilled into Holocene sediments of the Yangtze River Delta, East China, in the Fengxian district of Shanghai. Chronological context are based on AMS 14C dates. Accurate identifications of these palynomorphs as well as their frequencies of occurrence provide a basis for tracing their source areas and modes of dispersal and deposition. This enables identification of important aspects of former biodiversity and of the palaeoecological landscape associated with historic and prehistoric environmental situations and changes. All the slides/samples examined in this study are kept at NIGPAS. Beside fern spores and microscopic algae, diverse pollen taxa are also presented in the same core, which will be presented elsewhere. It should be pointed out that, what those genera are not presented in this paper doesn’t mean there are no fossil records in the study areas, such as Lygodium.

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