Maiorano, Patrizia (2021): Coccolithophore relative abundances at the Ideale Section - Montalbano Jonico, Southern Italy [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.934193
Always quote citation above when using data! You can download the citation in several formats below.
Published: 2021-07-29 • DOI registered: 2021-10-20
Abstract:
In the present dataset we provide relative abundance (%) of the main taxa of the coccolithophore. Slides for coccolithophore analysis were prepared following Flores and Sierro (1997). Quantitative analyses were performed at University of Bari, Italy, using a polarized light microscope at 1000× magnification. Abundances were determined by counting at least 500 coccoliths of all sizes. We also provide estimate of reworked calcareous nannofossils, i.e. taxa belonging to older (Mesozoic and Paleogene-Neogene) stratigraphic intervals, estimated separately during this counting. Warm-water coccoliths include the following taxa: Umbilicosphaera sibogae s.l., Calciosolenia spp., Discosphaera tubifera, Rhabdospaera clavigera, Umbellosphaera spp., Oolithotus spp. The coccolith dissolution index (DI) was estimated according to the following ratio: DI = small Gephyrocapsa/(small Gephyrocapsa + Calcidiscus leptoporus). High values of DI indicate good preservation. Species dominance of the coccolithophore assemblage has been obtained using PAleontological STatistics Software 4.02 (Hammer et al., 2001) and is equivalent to 1-Simpson index.
Supplement to:
Maiorano, Patrizia; Herbert, Timothy D; Marino, Maria; Bassinot, Franck; Bazzicalupo, Pietro; Bertini, Adele; Girone, Angela; Nomade, Sébastien; Ciaranfi, Neri (2021): Paleoproductivity Modes in Central Mediterranean During MIS 20—MIS 18: Calcareous Plankton and Alkenone Variability. Paleoceanography and Paleoclimatology, 36(8), https://doi.org/10.1029/2021PA004259
Coverage:
Latitude: 40.294900 * Longitude: 16.567800
Event(s):
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | AGE | Age | ka BP | Maiorano, Patrizia | Geocode | |
| 2 | Gephyrocapsa oceanica | G. oceanica | % | Maiorano, Patrizia | ||
| 3 | Gephyrocapsa caribbeanica | G. caribbeanica | % | Maiorano, Patrizia | ||
| 4 | Gephyrocapsa, small | Gephyrocapsa small | % | Maiorano, Patrizia | ||
| 5 | Gephyrocapsa, small + medium | Gephyrocapsa small + medium | % | Maiorano, Patrizia | ||
| 6 | Helicosphaera carteri | H. carteri | % | Maiorano, Patrizia | ||
| 7 | Florisphaera profunda | F. profunda | % | Maiorano, Patrizia | ||
| 8 | Coccoliths, warm | Cocco warm | % | Maiorano, Patrizia | ||
| 9 | Coccoliths, reworked | Cocco rew | % | Maiorano, Patrizia | ||
| 10 | Dominance | Dominance | Maiorano, Patrizia |
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
1494 data points