Journal of Micropalaeontology
Journal of Micropalaeontology
JM
Articles | Volume 42, issue 2
Articles | Volume 42, issue 2
https://doi.org/10.5194/jm-42-257-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/jm-42-257-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 42, issue 2
Research article
 | 
27 Nov 2023
Research article |  | 27 Nov 2023

Dinoflagellate cyst and pollen assemblages as tracers for marine productivity and river input in the northern Gulf of Mexico

Yord W. Yedema, Timme Donders, Francien Peterse, and Francesca Sangiorgi

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Short summary
The pollen and dinoflagellate cyst content of 21 surface sediments from the northern Gulf of Mexico is used to test the applicability of three palynological ratios (heterotroph/autotroph, pollen/dinocyst, and pollen/bisaccate ratio) as proxies for marine productivity and distance to the coast/river. Redundancy analysis confirms the suitability of these three ratios, where the H/A ratio can be used as an indicator of primary production, and the P/B ratio best tracks the distance to the coast.
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