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Entramado
Print version ISSN 1900-3803On-line version ISSN 2539-0279
Abstract
MENA-MOSQUERA, Víctor Eleazar; ANDRADE C., Hernán J. and TORRES-TORRES, Jhon Jerley. Floristic composition, structure and diversity of the tropical pluvial forest of the sub-basin of the Munguidó River, Quibdó, Chocó, Colombia. Entramado [online]. 2020, vol.16, n.1, pp.204-215. ISSN 1900-3803. https://doi.org/10.18041/1900-3803/entramado.1.6109.
The floristic composition, horizontal structure and diversity of the primary forest of the sub-basin of the Munguidó river, Chocó, Colombia were characterized. A sampling plot of 1000 x 1000 m was established, where four temporal sampling plots (TSP) of 500 x 10 m. In these TSP, the individuals with diameter at breast height equal or greater than 10 cm were registered. The importance value index (IVI) was calculated based on relative abundance, dominance and frequency. It was found a mean abundance of 441 individuals/ha, belonging to 71 species of 63 genera and 32 families. The best represented families were: Moraceae, Faboideae and Apocinaceae. The species with the greatest ecological importance, according their IVI, were: Virola reiidi, Chrysophyllum argenteum y Protium veneralense. The studied forest had a high diversity of species, with values of the indexes of Shannon Equity, Simpson Dominance and Margalef Diversity of 3.6, 0.03 and 10.3, respectively. This ecosystem is characterized by having a high richness and diversity of species and little presence of individuals of the Arecaceae family.
Keywords : Abundance; ecological importance; diametric classes; dominance.