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Revista de Biología Tropical
versión On-line ISSN 0034-7744versión impresa ISSN 0034-7744
Resumen
GARCIA-GONZALEZ, Alfredo y PEREZ MARQUEZ, Rolando. La comunidad orquideológica en la Reserva de la Biosfera Sierra del Rosario, Cuba. Rev. biol. trop [online]. 2011, vol.59, n.4, pp.1805-1812. ISSN 0034-7744.
The orchid community in the Biosphere Reserve Sierra del Rosario, Cuba. The Biosphere Reserve Sierra del Rosario is located in Western Cuba and two different areas can be characterized: one for tourism and forestry activities, El Taburete (ET), and the other for conservation and research, El Salón (ES). With the aim to know the effect of visitation activities on the orchid community in the Reserve, a comparative study between the disturbed area and the preserved one was undertaken. The field work, held between 2004-2005, consisted on four transects in each locality (10x100m, 0.1ha). For each transect, the existing orchid species (terrestrial and epiphytic), kind of phorophytes, and level of occupation were identified. Different analysis were considered: dominance-diversity, Sorensen similarity, the dominance index and the relative abundance of the most abundant species. Our results showed 27 phorophytes species, 20 species in ET (98 phorophytes), and 16 species in ES (76 phorophytes). A total of 22 genus, 26 species and 8 326 individuals of orchids were identified. In ET, 17 genus, 18 species and 5 075 individuals were found, while for ES were 15 genus, 18 species and 3 251 individuals. Both locations have a similarity of species of 57.14%. Oeceoclades maculata, an invasive species, was the most abundant. The most dominant species were Microchilus plantagineus in ES and O. maculata in ET. The dominance in ET was of 81.79%, while in ES of 69.27%. It is important to sketch management plans focused on controlling O. maculata in both areas, and the restoration of the disturbed area. Rev. Biol. Trop. 59 (4): 1805-1812. Epub 2011 December 01.
Palabras clave : epiphytic orchid; terrestrial orchid; diversity index; similarity index; lighting; phorophytes; Oeceoclades maculata; orquídeas terrestres; índice de diversidad; índice de similaridad; iluminación; forófitos; Oeceoclades maculata.
