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 número38Análisis de la relación vegetación-lluvia de polen actual de las comunidades vegetales en el noroeste de la península de Yucatán, México índice de autoresíndice de assuntospesquisa de artigos
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Polibotánica

versão impressa ISSN 1405-2768

Resumo

GARCIA-LICONA, José B.; ESPARZA-OLGUIN, Ligia G.  e  MARTINEZ-ROMERO, Eduardo. Structure and floristic composition of the tropical forest in different successional stages in the "ejido" El Carmen II, Calakmul, Campeche, México. Polibotánica [online]. 2014, n.38, pp.01-26. ISSN 1405-2768.

We studied the floristic diversity of the semi evergreen tropical forest, in the "ejido" El Carmen II, Calakmul, Campeche. In nine plots of 300 m2, we represented secondary vegetation ("acahual") with seven years old, secondary vegetation with 15 years old, and mature tropical forest, in which we measured all woody individuals DBH ≥ 1 cm. We found 996 woody individuals of 78 species distributed in 29 families. Fabaceae, Rubiaceae and Sapindaceae were the families with the largest number of species. Nectandra salicifolia, Pouteria reticulata, Croton icche and Bursera simaruba were the most abundant species, the latter species was the only one present in all study plots. Lysiloma latisiliquum, Bursera simaruba and Guettarda combsii were the species with higher relative importance value (VIR), in secondary vegetation with seven years old. In "acahual" with 15 years old, Nectandra salicifolia, Dendropanax arboreus and Piscidia piscipula were the species with higher VIR, in mature forest Brosimum alicastrum, Manilkara zapota and Pouteria reticulata were the dominant species. In addition there were 15 species only on plots of secondary vegetation with seven years old plots, five unique species of "acahual" with 15 years old plots, and 18 species only in mature forest plots. We conclude that analyzing the structure and floristic composition of vegetation in different successional stages can better document the floristic diversity of areas that have been highly impacted by different disturbances.

Palavras-chave : floristic diversity; semi evergreen tropical forest; Calakmul Biosphera Reserve.

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