Hessler, Ines; Young, Martin; Holzwarth, Ulrike; Mohtadi, Mahyar; Lückge, Andreas; Behling, Hermann (2013): Organic-walled dinoflagellate cysts analysis and statistical analysis of 116 surface sediment samples from the eastern Indian Ocean. PANGAEA, https://doi.org/10.1594/PANGAEA.816694, Supplement to: Hessler, I et al. (2013): Imprint of eastern Indian Ocean surface oceanography on modern organic-walled dinoflagellate cyst assemblages. Marine Micropaleontology, 101, 89-105, https://doi.org/10.1016/j.marmicro.2013.02.005
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Assemblages of organic-walled dinoflagellate cysts (dinocysts) from 116 marine surface samples have been analysed to assess the relationship between the spatial distribution of dinocysts and modern local environmental conditions [e.g. sea surface temperature (SST), sea surface salinity (SSS), productivity] in the eastern Indian Ocean. Results from the percentage analysis and statistical methods such as multivariate ordination analysis and end-member modelling, indicate the existence of three distinct environmental and oceanographic regions in the study area. Region 1 is located in western and eastern Indonesia and controlled by high SSTs and a low nutrient content of the surface waters. The Indonesian Throughflow (ITF) region (Region 2) is dominated by heterotrophic dinocyst species reflecting the region's high productivity. Region 3 is encompassing the area offshore north-west and west Australia which is characterised by the water masses of the Leeuwin Current, a saline and nutrient depleted southward current featuring energetic eddies.
Median Latitude: -2.154018 * Median Longitude: 107.960521 * South-bound Latitude: -11.590000 * West-bound Longitude: 93.740000 * North-bound Latitude: 5.900000 * East-bound Longitude: 128.280000
Date/Time Start: 2005-08-08T05:35:00 * Date/Time End: 2006-10-03T03:49:00
Datasets listed in this publication series
- Hessler, I; Young, M; Holzwarth, U et al. (2013): Concentration of organic-walled dinoflagellate cysts from 116 marine surface samples. https://doi.org/10.1594/PANGAEA.816652
- Hessler, I; Young, M; Holzwarth, U et al. (2013): Absolute abundances of organic-walled dinoflagellate cysts from 116 marine surface samples. https://doi.org/10.1594/PANGAEA.816650
- Hessler, I; Young, M; Holzwarth, U et al. (2013): End-member analysis for Model run 1, including sensitive dinocyst taxa. https://doi.org/10.1594/PANGAEA.816655
- Hessler, I; Young, M; Holzwarth, U et al. (2013): End-member analysis for Model run 2, excluding sensitive dinocyst taxa. https://doi.org/10.1594/PANGAEA.816656
- Hessler, I; Young, M; Holzwarth, U et al. (2013): Percentage analysis of dinoflagellate cyst taxa groups from surface sediment samples of the eastern Indian Ocean. https://doi.org/10.1594/PANGAEA.816681