Publicación: Diversidad florística y fragmentación del bosque seco tropical en la subregión Bajo Sinú - Córdoba, Colombia
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The tropical dry forest (TDF) is considered an ecosystem with conservation priorities; Due to its degradation, fragmentation, anthropic pressures and ignorance, it is one of the most threatened ecosystems. This study was carried out in three dry forest fragments in the Bajo Sinú subregion of the department of Córdoba, with the objective of determining the diversity, composition and floristic structure, estimating the state of fragmentation of the ecosystem and the relationship of the shape and size of polygons with floristic variables. The methodology of Rapid Vegetation Sampling Plots - modified RAP and cartographic methods for landscape measurements were followed. High diversity and a high number of species were evidenced. A total of 2,178 individuals were registered (59 families, 151 genera, 226 species). The families in order of richness were Fabaceae, Rubiaceae, Bignoniaceae and Sapindaceae; the highest abundance was found in Fabaceae, Capparaceae and Bignoniaceae, and in the Astronium graveolens Jacq species. and Capparidastrum frondosum (Jacq.) Cornejo & Iltis. The genera Machaerium, Trichilia and Randia represent the largest number of species. The distribution by diameter and altimetric classes presented an inverted J behavior. Shrubs represented the dominant growth habit. The state of fragmentation categorizes the Lower Sinú dry forest as insularized and discontinuous, with polygons frequently of rounded shapes. The size of the fragment showed a directly proportional relationship with diversity. This project managed to consolidate information on the current state of the dry forest in Córdoba, which contributes to its assessment, conservation, management and comprehensive management.