Floristic and structural characterization of the tropical dry forest Cerro Tasajero, San José de Cúcuta (Norte de Santander), Colombia
DOI:
https://doi.org/10.17533/udea.acbi.329348Keywords:
diversity, dry forest, Fabaceae, structureAbstract
The floristic composition and structure of 0.1 ha of tropical dry forest of Cerro Tasajero are analyzed by the method proponed by Gentry, including also individuals with DBH ≥ 1 cm. Results, considering the elements with DBH ≥ 2.5 cm, presented 281 individuals grouped in 30 families, 46 genera and 60 species; when adding the individuals with DBH between 1 and 2.5 cm (204 individuals), were registered the following diversity values (34 families, 57 genera and 79 species). The family with major diversity is Fabaceae (sensulato) with 18 species, followed by Myrtaceae, Euphorbiaceae, and Rubiaceae with six species each one; at the ecological level (IVF's values) the most important family was Myrtaceae. The most diverse genera are Machaerium (5 species) and Eugenia (4). The species with greater indexes of value of importance is Eugenia aff. biflora with 39.6% followed by Guazuma ulmifolia (20.6%). Shrubs are dominant with diameters of less than 10 cm and at high between 8 and 13 m. Exists a high numbers of species of secondary type and a low similarity to floristic level with other dry forests, which is due to the strong levels of disturbance by human action.
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