(Table S1) Relative abundances of coccolithophore taxa in surface sediment samples from the Equatorial and Southeastern Pacific


This study aims to contribute to a more detailed knowledge of the biogeography of coccolithophores in the Equatorial and Southeastern Pacific Ocean. Census data of fossil coccoliths are presented in a suite of core-top sediment samples from 15°N to 50.6°S and from 71°W to 93°W. Following standard preparation of smear slides, a total of 19 taxa are recognized in light microscopy and their relative abundances are determined for 134 surface sediment samples. Considering the multivariate character of oceanic conditions and their effects on phytoplankton, a Factor Analysis was performed and three factors were retained. Factor 1, dominated by Florisphaera profunda and Gephyrocapsa oceanica, includes samples located under warm water masses and indicates the occurrence of calcite dissolution in the water column in the area offshore Chile. Factor 2 is related to cold, low-salinity surface-water masses from the Chilean upwelling, and is dominated by Emiliania huxleyi, Gephyrocapsa sp. < 3 µm, Coccolithus pelagicus and Gephyrocapsa muellerae. Factor 3 is linked to more saline, coastal upwelling areas where Calcidiscus leptoporus and Helicosphaera carteri are the dominant species.

preservation (VG = excellent, G = good, M = moderate, P = poor, ? = absence of coccoliths)

Supplement to: Saavedra-Pellitero, Mariem; Flores, José-Abel; Baumann, Karl-Heinz; Sierro, Francisco Javier (2010): Coccolith distribution patterns in surface sediments of Equatoral and Southeastern Pacific Ocean. Geobios, 43(1), 131-149

DOI https://doi.org/10.1594/PANGAEA.746273
Related Identifier https://doi.org/10.1016/j.geobios.2009.09.004
Metadata Access https://ws.pangaea.de/oai/provider?verb=GetRecord&metadataPrefix=datacite4&identifier=oai:pangaea.de:doi:10.1594/PANGAEA.746273
Creator Saavedra-Pellitero, Mariem ORCID logo; Flores, José-Abel (ORCID: 0000-0003-1909-293X); Baumann, Karl-Heinz; Sierro, Francisco Javier (ORCID: 0000-0002-8647-456X)
Publisher PANGAEA
Publication Year 2010
Rights Creative Commons Attribution 3.0 Unported; https://creativecommons.org/licenses/by/3.0/
OpenAccess true
Resource Type Supplementary Dataset; Dataset
Format text/tab-separated-values
Size 1728 data points
Discipline Earth System Research
Spatial Coverage (-95.290W, -50.650S, -70.490E, 15.710N); off Chile; South Pacific Ocean
Temporal Coverage Begin 1997-02-25T00:00:00Z
Temporal Coverage End 2001-05-11T20:09:00Z