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Synapse
May 2, 2026

Frugivore richness poorly predicts seed dispersal effectiveness under climate change.

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Authors

EREduardo D B RigacciWSWesley Rodrigues SilvaMBMichiel P. Boom

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Overview

Randomized trial investigates seed dispersal effectiveness in keystone trees, indicating significant climate impact.

Key Points

  • To assess how frugivore richness impacts seed dispersal effectiveness (SDE) under climate change.
  • Combined estimates of seed dispersal effectiveness with species distribution models.
  • Focused on two keystone trees: jussara palm and silver cecropia in the Atlantic Forest.
  • Analyzed the relationship between frugivore richness and SDE across projected climate scenarios.
  • Frugivore richness poorly predicted seed dispersal outcomes in approximately 60% of projected ranges.
  • For jussara palm, richness accounted for less than 13% of variance in dispersal and germination impacts.
  • Silver cecropia's richness only aligned with germination success, indicating species-specific discrepancies.

Cite This Study

Rigacci et al. (2026) studied this question.

synapsesocial.com/papers/69f5945c71405d493afff396https://doi.org/10.1038/s41598-026-43964-0
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