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Boletín Científico. Centro de Museos. Museo de Historia Natural
Print version ISSN 0123-3068
Abstract
PALACIOS-PALACIOS, Ismael; FLOREZ-YEPES, Gloria Yaneth and CUESTA-RIOS, Eric Yair. Changes in the bird community during the natural succession, in abandoned gold mining areas, municipality of Condoto (Choco), Colombia. Bol. Cient. Mus. Hist. Nat. Univ. Caldas [online]. 2022, vol.26, n.1, pp.85-98. Epub May 31, 2022. ISSN 0123-3068. https://doi.org/10.17151/bccm.2022.26.1.6.
Objective:
To determine the changes in the bird community during natural succession in abandoned gold mining areas, Condoto (Choco), Colombia.
Methodology:
Three areas with different states of ecological succession were chosen where samplings were developed using censuses from points of fixed radius and along transects to analyze the changes in composition and structure in the gradient of the ecological succession.
Results:
A total of 731 individuals were registered, being Zone 1 the one with the highest richess (S = 59), abundance (N = 337), Pielou equity index (J’ = 0.90) and diversity (H’ = 3.4). The percentage of similarity expressed by the Jaccard index for richness was low among the three zones (18%). Some other families such as Ardeidae, Accipitridae, and Jacanidae were found.
Conclusions:
The diversity of birds was greater in Zone 1 showing that, as the succession increases, diversity is greater, evidencing that the effects of degradation in the landscape modify the vegetal appearance of the habitat, influencing the dynamics and diversity of bird communities.
Keywords : birds; fragmented forests; gold mining; ecological succession; San Juan Region; Choco-Colombia.