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The relative abundance (%) of planktonic foraminifera over time in core MD 002361, located on the shelf edge, offshore Western Australia

Created 25/06/2017

Updated 25/06/2017

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The advent of deep-sea drilling in the 1950's prompted the use of planktonic foraminifera (unicellular protozans) as palaeoceanographic indicators. They provide a natural archive of past environmental changes due to their global distribution, their prolific productivity and sensitivity to environmental variations. The most abundant species within core MD002361 is the subtropical species Gs. ruber. High abundances =30% are seen during the interglacial periods Marine Isotope Stages (MIS) 11, 9, 7, 5 with peak abundance (37.7%) during the Holocene. Other tropical and subtropical species follow this pattern. The transitional, deep dwelling species Gr. inflata has the most distinct abundance change within core MD002361. This species is absent during the interglacial periods but achieves high relative abundances (~20-30%) during glacial periods.

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Title The relative abundance (%) of planktonic foraminifera over time in core MD 002361, located on the shelf edge, offshore Western Australia
Language English
Licence Creative Commons Attribution 2.5 Australia
Landing Page https://devweb.dga.links.com.au/data/dataset/bb7a2ebf-32d8-4676-9047-c6554be80351
Contact Point
Australian National University
michelle.spooner8@gmail.com
Geospatial Coverage {"type": "Polygon", "coordinates": [[[113.0, -22.5], [113.5, -22.5], [113.5, -22.0], [113.0, -22.0], [113.0, -22.5]]]}
Data Portal data.gov.au

Data Source

This dataset was originally found on data.gov.au "The relative abundance (%) of planktonic foraminifera over time in core MD 002361, located on the shelf edge, offshore Western Australia". Please visit the source to access the original metadata of the dataset:
https://devweb.dga.links.com.au/data/dataset/the-relative-abundance-of-planktonic-foraminifera-over-time-in-core-md-002361-located-on-the-sh

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No duplicate datasets found.