DOI: 10.17151/bccm.2025.29.2.3
How to Cite
Medina-Arroyo, H. H., & Camargo-García, J. C. (2025). Forest composition, structure, diversity and biomass: The influence of management practices in ethnic communities in Lloró, Chocó, Colombia. Boletín Científico. Centro De Museos, 29(2), 51–81. https://doi.org/10.17151/bccm.2025.29.2.3

Authors

Henry Hernan Medina-Arroyo
Universidad Tecnológica del Chocó 
d-henry.hernan@utch.edu.co
https://orcid.org/0000-0002-9596-9054
Perfil Google Scholar
Juan Carlos Camargo-García
Universidad Tecnológica de Pereira 
jupipe@utp.edu.co
https://orcid.org/0000-0002-3325-0810
Perfil Google Scholar

Abstract

In order to evaluate the impact of tropical rainforest exploitation in the Chocó biogeographic region, a forest inventory was conducted to analyse the diversity of plants, the basal area and the biomass of forests exploited by three ethnic communities in Lloró (Chocó, Colombia). Forty temporary sampling plots measuring 20 x 50 m (0.1 ha) were established in managed and unmanaged areas, with five plots per condition and community (Afro-Colombians, Afro-Colombians with entables, indigenous peoples, and mestizos). The highest number of individuals (2034/ha⁻¹) was recorded in unmanaged forests under the influence of Afrodescendant communities. The greatest taxonomic richness, expressed as the number of genera (86), species (117) and families (40), was found in forests associated with indigenous communities in the same condition. These forests also had the highest values for biomass and basal area (103.11 t/ha⁻¹ and 47.66 m²/ha⁻¹), followed by forests associated with Afrodescendant communities (81.51 t/ha⁻¹ and 38.84 m²/ha⁻¹). In contrast, the lowest number of individuals (534/ha⁻¹) and the lowest number of genera (49), species (57) and families (24) were recorded in forests managed by mestizos. The lowest number of genera (49), species (57) and families (24) were found in forests managed by Afro-descendants with entable. Similarly, biomass and basal area were lower in sites managed by Afro-descendants with entable (12.48 t/ha and 7.52 m²/ha) and mestizos (13.26 t/ha and 8.42 m²/ha). Thus, forest richness and abundance decreases with the intensity of exploitation, showing that the intensity and manner with which communities carry out this practice is decisive in determining the composition of these forests, and is useful for defining management strategies.

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