Biogeosciences
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Articles | Volume 18, issue 13
Articles | Volume 18, issue 13
https://doi.org/10.5194/bg-18-4073-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-18-4073-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 18, issue 13
Research article
 | 
07 Jul 2021
Research article |  | 07 Jul 2021

Atypical, high-diversity assemblages of foraminifera in a mangrove estuary in northern Brazil

Nisan Sariaslan and Martin R. Langer

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Short summary
Analyses of foraminiferal assemblages from the Mamanguape mangrove estuary (northern Brazil) revealed highly diverse, species-rich, and structurally complex biotas. The atypical fauna resembles shallow-water offshore assemblages and are interpreted to be the result of highly saline ocean waters penetrating deep into the estuary. The findings contrast with previous studies, have implications for the fossil record, and provide novel perspectives for reconstructing mangrove environments.
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