Living Benthic Foraminifera from the Surface and Subsurface Sediment Layers Applied to the Environmental Characterization of the Brazilian Continental Slope (SW Atlantic)
Abstract
:1. Introduction
2. Study Area
3. Materials and Methods
3.1. Sediment Sampling
3.2. Granulometric Analysis
3.3. Foraminifera—Samples Processing
3.4. Statistical Treatment
4. Results
4.1. Abiotic Data
4.2. Foraminifera
4.2.1. Density
4.2.2. Diversity
4.2.3. Composition of Assemblages: Major Taxa
4.2.4. Comparison of Assemblages
4.2.5. Cluster Analysis
4.2.6. Canonical Correspondence Analysis
5. Discussion
6. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
Appendix A. Plates
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Sample | Lat | Long | Depth (m) | Water Mass |
---|---|---|---|---|
MT51 | 04°29′10″ | 36°06′02″ | 167 | TW |
MT52 | 04°27′01″ | 36°14′56″ | 203 | TW |
MT53 | 04°24′54″ | 36°20′41″ | 133 | TW |
MT54 | 04°22′23″ | 36°26′51″ | 128 | TW |
MT55 | 04°20′39″ | 36°32′40″ | 145 | TW |
MT61 | 04°28′55″ | 36°05′47″ | 400 | SACW |
MT62 | 04°26′39″ | 36°14′38″ | 422 | SACW |
MT63 | 04°24′32″ | 36°20′23″ | 394 | SACW |
MT64 | 04°21′59″ | 36°26′38″ | 409 | SACW |
MT65 | 04°19′57″ | 36°32′07″ | 408 | SACW |
MT71 | 04°27′41″ | 36°05′06″ | 998 | AIW |
MT72 | 04°24′12″ | 36°13′31″ | 1011 | AIW |
MT73 | 04°22′01″ | 36°18′55″ | 1100 | AIW |
MT74 | 04°20′11″ | 36°25′31″ | 983 | AIW |
MT75 | 04°17′17″ | 36°30′41″ | 970 | AIW |
MT81 | 04°23′26″ | 36°02′55″ | 2010 | NADW |
MT82 | 04°19′51″ | 36°11′01″ | 1992 | NADW |
MT83 | 04°15′52″ | 36°15′31″ | 1957 | NADW |
MT84 | 04°15′28″ | 36°22′57″ | 1983 | NADW |
MT85 | 04°12′08″ | 36°27′41″ | 2000 | NADW |
Layer | S | S(est) 95% CI Lower Bound | S(est) 95% CI Upper Bound | Bootstrap | % |
---|---|---|---|---|---|
0–2 cm | 396 | 376 | 416 | 463 | 85.60 |
2–5 cm | 228 | 212 | 244 | 271 | 84.26 |
0–5 cm | 449 | 428 | 470 | 520 | 86.36 |
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Santa-Rosa, L.C.d.C.; Disaró, S.T.; Totah, V.; Watanabe, S.; Guimarães, A.T.B. Living Benthic Foraminifera from the Surface and Subsurface Sediment Layers Applied to the Environmental Characterization of the Brazilian Continental Slope (SW Atlantic). Water 2021, 13, 1863. https://doi.org/10.3390/w13131863
Santa-Rosa LCdC, Disaró ST, Totah V, Watanabe S, Guimarães ATB. Living Benthic Foraminifera from the Surface and Subsurface Sediment Layers Applied to the Environmental Characterization of the Brazilian Continental Slope (SW Atlantic). Water. 2021; 13(13):1863. https://doi.org/10.3390/w13131863
Chicago/Turabian StyleSanta-Rosa, Luciana Cristina de Carvalho, Sibelle Trevisan Disaró, Violeta Totah, Silvia Watanabe, and Ana Tereza Bittencourt Guimarães. 2021. "Living Benthic Foraminifera from the Surface and Subsurface Sediment Layers Applied to the Environmental Characterization of the Brazilian Continental Slope (SW Atlantic)" Water 13, no. 13: 1863. https://doi.org/10.3390/w13131863