Articlenpj biodiversity2026
Data source effects on the perceived distribution of ant diversity in the Espinhaço Mountain Range, Brazil.
Article in npj biodiversity, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
5 authors.
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Abstract
We investigated the influence of the data source on taxonomic composition analyses and species distribution model outputs for ants in the Espinhaço Range. Our objectives were to evaluate the taxonomic composition reported on a global repository (GBIF plus GABI) and regional compilations (PELD-CRSC plus Atlantic Ants), to compare stacked species distribution models (SSDMs) built from each source, and to examine climate-richness relationships using a combined model. We compiled occurrences, cleaned the data and then fitted SSDMs with five algorithms and using five bioclimatic variables selected after variance-inflation screening. We also examined richness maps and climate-richness relationships using Spearman correlations. Subfamily and species compositions diverged across repositories. The global dataset contained only ~10% of the records of the regional dataset, resulting in much lower richness magnitudes. Despite this, the models from both datasets were highly correlated. All models consistently indicated higher species richness in the southern Espinhaço, which was strongly associated with lower isothermality and higher precipitation. Despite the importance of global repositories, regional ones are essential for accurate estimates of ant composition and richness. Thus, integrating datasets improved coverage and highlighted significant knowledge gaps in central and northern Espinhaço.
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