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February 9, 2026Open Access

Spatial distribution and trophic structure of bird's communities of Atlantic Forest fragments in Brazil

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Authors

FDFábio Rossano Dário

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Overview

Analysis of bird community diversity in forest fragments reveals important ecological implications for biodiversity.

Key Points

  • The research aims to examine the composition, richness, and abundance of bird species in fragmented Atlantic Forest areas in Brazil.
  • Conducted point counts to analyze bird populations in forest fragments.
  • Sampling occurred in summer and winter of 2020 over 54 samples totaling 18 hours.
  • Categorized birds into 18 trophic guilds based on feeding habits.
  • Calculated Shannon-Weaver diversity index and abundance index values.
  • Identified 144 bird species across 22 orders and 45 families.
  • High species diversity with a Shannon-Weaver index of 4.62 and equitability of 0.92.
  • Noted dominance of omnivores and insectivores in different forest strata.
  • Found many species with low abundance index compared to intermediate to high indices in other surveys.

Cite This Study

Fábio Rossano Dário (2021) studied this question.

synapsesocial.com/papers/69897a35f0ec2af6756e89cdhttps://doi.org/10.5281/zenodo.18514655
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