Saavedra-Pellitero, Mariem; Flores, José-Abel; Baumann, Karl-Heinz; Sierro, Francisco Javier (2010): (Table S1) Relative abundances of coccolithophore taxa in surface sediment samples from the Equatorial and Southeastern Pacific [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.746273, Supplement to: Saavedra-Pellitero, M et al. (2010): Coccolith distribution patterns in surface sediments of Equatoral and Southeastern Pacific Ocean. Geobios, 43(1), 131-149, https://doi.org/10.1016/j.geobios.2009.09.004
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Abstract:
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.
Project(s):
Coverage:
Median Latitude: -28.826568 * Median Longitude: -75.242454 * South-bound Latitude: -50.650000 * West-bound Longitude: -95.290000 * North-bound Latitude: 15.710000 * East-bound Longitude: -70.489830
Date/Time Start: 1997-02-25T00:00:00 * Date/Time End: 2001-05-11T20:09:00
Minimum DEPTH, sediment/rock: 0 m * Maximum DEPTH, sediment/rock: 0 m
Event(s):
GeoB7103-3 * Latitude: -22.867000 * Longitude: -70.541330 * Date/Time: 2001-04-02T08:16:00 * Elevation: -889.0 m * Recovery: 0.2 m * Location: off Chile * Campaign: SO156/1 (PUCK) * Basis: Sonne * Method/Device: MultiCorer (MUC) * Comment: core recovery 4/8, 4/4
Comment:
preservation (VG = excellent, G = good, M = moderate, P = poor, ? = absence of coccoliths)
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | ||||
| 2 | Latitude of event | Latitude | ||||
| 3 | Longitude of event | Longitude | ||||
| 4 | Elevation of event | Elevation | m | |||
| 5 | DEPTH, sediment/rock | Depth sed | m | Geocode | ||
| 6 | Sample code/label | Sample label | Saavedra-Pellitero, Mariem | see reference(s) | ||
| 7 | Preservation | Preserv | Saavedra-Pellitero, Mariem | see reference(s) | Flores y Marino, 2002 | |
| 8 | Florisphaera profunda | F. profunda | % | Saavedra-Pellitero, Mariem | see reference(s) | |
| 9 | Calcidiscus leptoporus | C. leptoporus | % | Saavedra-Pellitero, Mariem | see reference(s) | |
| 10 | Helicosphaera carteri | H. carteri | % | Saavedra-Pellitero, Mariem | see reference(s) | |
| 11 | Gephyrocapsa oceanica | G. oceanica | % | Saavedra-Pellitero, Mariem | see reference(s) | |
| 12 | Gephyrocapsa muellerae | G. muellerae | % | Saavedra-Pellitero, Mariem | see reference(s) | |
| 13 | Syracosphaera spp. | Syracosphaera spp. | % | Saavedra-Pellitero, Mariem | see reference(s) | |
| 14 | Umbilicosphaera spp. | Umbilicosphaera spp. | % | Saavedra-Pellitero, Mariem | see reference(s) | |
| 15 | Umbellosphaera spp. | Umbellosphaera spp. | % | Saavedra-Pellitero, Mariem | see reference(s) | |
| 16 | Calciosolenia sp. | Calciosolenia sp. | % | Saavedra-Pellitero, Mariem | see reference(s) | |
| 17 | Pontosphaera spp. | Pontosphaera spp. | % | Saavedra-Pellitero, Mariem | see reference(s) | |
| 18 | Coccolithus pelagicus | C. pelagicus | % | Saavedra-Pellitero, Mariem | see reference(s) | |
| 19 | Rhabdosphaera clavigera | R. clavigera | % | Saavedra-Pellitero, Mariem | see reference(s) | |
| 20 | Oolithotus sp. | Oolithotus sp. | % | Saavedra-Pellitero, Mariem | see reference(s) | |
| 21 | Emiliania huxleyi | E. huxleyi | % | Saavedra-Pellitero, Mariem | see reference(s) | |
| 22 | Coccoliths, other | Cocco oth | % | Saavedra-Pellitero, Mariem | see reference(s) | |
| 23 | Gephyrocapsa, small | Gephyrocapsa small | % | Saavedra-Pellitero, Mariem | see reference(s) |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
1728 data points