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July 2, 2026Journal of MicropalaeontologyOpen Access

Benthic foraminiferal assemblages as proxies for paleoenvironmental indicators in the Indo-Pacific (Indonesia)

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Authors

RFRia FitrianyKMKhoiril Anwar MaryunaniPPPurna Sulastya Putra

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Overview

Randomized trial identifies bathymetric zonation of foraminiferal assemblages in Indonesian seas, indicating strong environmental controls.

Key Points

  • This research aims to investigate how benthic foraminiferal assemblages in Indonesian seas vary by depth and environmental conditions.
  • Collected 35 surface sediment samples from 0–4327 m water depths across the Indonesian seas.
  • Employed statistical analyses including indicator value, detrended correspondence analysis, and hierarchical cluster analysis.
  • Classified assemblages with 89% accuracy based on six defined bathymetric zones.
  • Percentage of planktonic foraminifera increased from 0% in transitional zones to over 90% in lower bathyal depths.
  • Benthic species richness peaked at middle-neritic depths with 47 species per sample before declining in deeper waters.
  • Indicator taxa showed clear bathymetric segregation across various environments based on sediment types.

Cite This Study

Fitriany et al. (2026) studied this question.

synapsesocial.com/papers/6a4601829ed1343031311565https://doi.org/10.5194/jm-45-487-2026
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