Benthic foraminiferal assemblages in surface sediments of the Elbe estuary
| Cobertura |
MEDIAN LATITUDE: 53.956370 * MEDIAN LONGITUDE: 8.767399 * SOUTH-BOUND LATITUDE: 53.833900 * WEST-BOUND LONGITUDE: 7.983600 * NORTH-BOUND LATITUDE: 54.146400 * EAST-BOUND LONGITUDE: 9.347600 |
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| Data(s) |
20/07/1983
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| Resumo |
Two foraminiferal assemblages are observed in surface sediments of the Elbe estuarv. an Elphidium excavatum assemblaae and an Ahmonia/Protelphidium assemblage. They are the result of test-size sorting in accordance to the grain size of the sediments. These assemblages of mainly empty tests differ basically from the living population, which is dominated exclusively by E. excavatum. The average test size is decreasing when advancing from the Open sea into the estuary and the living fauna disappears near the entrance of the Kiel Canal. In the dead assemblage the diversity is distinctively higher and the average test size varies with the grain size of the sediment. The assemblages found in plankton tows are nearly identical with those in corresponding bottom samples. This indicates the distribution pattern to be caused by transport in currents (mainly in suspension). This type of foraminiferal assemblages characterize macro- and mesotidal estuaries and might indicate a high tidal range when observed in sediments of fossil estuaries. |
| Formato |
application/zip, 3 datasets |
| Identificador |
https://doi.pangaea.de/10.1594/PANGAEA.786406 doi:10.1594/PANGAEA.786406 |
| Idioma(s) |
en |
| Publicador |
PANGAEA |
| Direitos |
CC-BY: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted |
| Fonte |
Supplement to: Wang, Pinxian (1983): Verbreitung der Benthos-Foraminiferen im Elbe-Ästuar. Meyniana, 35, 67-83, doi:10.2312/meyniana.1983.35.67 |
| Palavras-Chave | #<63 µm; >2 mm; 2000-63 µm; A. beccarii; A. beccarii size; Ammonia beccarii; Ammonia beccarii, size average; B. elegantissima; B. elegantissima size; B. elongata; B. elongata size; B. pseudoplicata; B. pseudoplicata size; Bolivina pseudoplicata; Bolivina pseudoplicata, size average; Brizalina sp.; Bulimina elongata; Bulimina elongata, size average; Buliminella elegantissima; Buliminella elegantissima, size average; Calculated; Comment; Counting >63 µm fraction; Depth; DEPTH, sediment/rock; DEPTH, water; Depth water; E. excavatum; E. excavatum size; E. gunteri; E. gunteri size; E. scabra; E. scabra size; E. vitrea; E. williamsoni; E. williamsoni size; Eggerella scabra; Eggerella scabra, size average; Elphidium excavatum; Elphidium excavatum, size average; Elphidium gunteri; Elphidium gunteri, size average; Elphidium williamsoni; Elphidium williamsoni, size average; Epistominella vitrea; Event; FAI; Fishers alpha index of diversity; Foram bent; Foram bent indet; Foram bent l; Foram bent size; Foraminifera, benthic; Foraminifera, benthic, size average; Foraminifera, benthic indeterminata; Foraminifera, benthic living; GIK/IfG; Grain size, sieving; Institute for Geosciences, Christian Albrechts University, Kiel; Measured with object micrometer; P. depressulum; P. depressulum size; P. germanicum; P. germanicum size; Protelphidium depressulum; Protelphidium depressulum, size average; Protelphidium germanicum; Protelphidium germanicum, size average; Size fraction < 0.063 mm, mud, pelite, silt+clay; Size fraction > 2 mm, gravel; Size fraction 2.000-0.063 mm, sand; T. ochracea; Trochammina ochracea |
| Tipo |
Dataset |
