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Ecología Aplicada

Print version ISSN 1726-2216


MORA DONJUAN, Carlos Alberto et al. Structure, floristic composition and diversity in the tamaulipan thornscrub, Mexico. Ecol. apl. [online]. 2013, vol.12, n.1, pp.29-34. ISSN 1726-2216.

This research aimed to evaluate the structure, floristic composition and diversity of tree and shrub species of a reference community of Tamaulipan thornscrub (MET). We recorded the total number of trees (d0.10 m > 5 cm) in four 40 × 40 m sampling sites. Height (h), diameter (d0.10 m) and canopy cover were recorded, and abundance (ARi), dominance (DRi), frequency (FRi), Importance Value Index (IVI), Margalef index (DMg), Shannon-Weaverr index (H') were calculated. There were a total 21 species, distributed in 20 genus and 14 families. Fabaceae was the most speciose family, with seven species. The most common species in the community were Acacia amentacea (IVI = 24.94 %), Diospyros texana (15.57 %) and Havardia pallens (13.01 %). The studied community had a diversity index of H' = 1.94 and Margalef species richness of DMg = 2.0.

Keywords : species richness; importance value index; Nuevo León; structural variables.

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