Patterns of abundance and diversity in six Columbidae species in the Cupaynicú Natural Forest, Guisa, Cuba

Authors

DOI:

https://doi.org/10.56124/

Keywords:

bird community, environmental conservation, biological diversity, ecological niche

Abstract

It is important to study avifauna for forest ecosystems. The study evaluated the structure of the bird community in a specific habitat, revealing a marked dominance of Columbina passerina, which accounted for 56.77 % of the 227 individuals observed, while other species such as Streptopelia decaocto showed significantly lower proportions. The chi-square test indicated significant heterogeneity in species distribution (χ² = 410.67, p < 0.0001), demonstrating that proportions are not homogeneous and suggesting that ecological factors such as habitat preferences, resource availability, and anthropogenic pressures influence this uneven distribution. Pairwise analysis confirmed significant differences, highlighting that each species occupies a distinct ecological niche, except for some with low statistical power due to scarce presence. Standardized residuals identified significant contributors to the overall deviation, emphasizing the overabundance of Columbina passerina and the underrepresentation of several rare species, possibly due to competition, predation, or habitat limitations. Ecological indices reflected moderate-low diversity (Shannon H’=1.19), low evenness (Pielou J’=0.67), and high dominance, indicating a disturbed or specialized ecosystem. Hierarchical clustering analysis distinguished two clear groups: one representing Columbina passerina as the dominant species and another grouping the remaining species with low proportions, reinforcing the community heterogeneity. These results reveal a state of ecological imbalance and underscore the need for future research to identify biotic and abiotic factors regulating community structure and their implications for the conservation of avifauna in habitats affected by anthropization.

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References

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Published

2025-12-06

How to Cite

Guerra Cañete, E., Infante Dieguez, L. M., Rodríguez Rodríguez, S. F., Tamayo Cordovés, I., Pérez Pérez, J. L., & Morejón Rodríguez, D. (2025). Patterns of abundance and diversity in six Columbidae species in the Cupaynicú Natural Forest, Guisa, Cuba. Chone, Ciencia Y Tecnología, 3(2). https://doi.org/10.56124/

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