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Boletín Científico. Centro de Museos. Museo de Historia Natural

Print version ISSN 0123-3068

Abstract

ROJAS VINASCO, William; ESTEVEZ-VARON, Jaime V.  and  RONCANCIO, Néstor. STRUCTURE AND FLORISTIC COMPOSITION OF TROPICAL HUMID FOREST REMAINDERS IN EASTERN CALDAS, COLOMBIA. Bol. Cient. Mus. Hist. Nat. Univ. Caldas [online]. 2008, vol.12, n.1, pp.24-37. ISSN 0123-3068.

The floristic structure and composition of five tropical humid forest remainders of the north basin of the Moro and San Antonio rivers (Samana, Caldas, Colombia) were studied. All the individual plants with DAP > 2.5 cm in 0.08 ha were sensed, resulting in 994 individual belonging to 123 morphospecies, 91 genera and 42 families of woody plants. The Euphorbiaceae family presented the highest richness of species (11 species), followed by Fabaceae (10), Melastomataceae (8), Moraceae (8) and Rubiaceae (7). The remainders two, four, five and three showed a similarity in their floristic composition. Significant differences were seen in the floristic structure among the forest remainders in the diametric class DAP > 10 cm. The results suggest that the floristic structure, as well as the composition, is influenced by natural or human disturbances, either due to the presence of gaps, or due to selective cutting of trees.

Keywords : Structure; floristic composition; disturbance; richness; tropical humid forest.

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