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Acta zoológica mexicana

versión On-line ISSN 2448-8445versión impresa ISSN 0065-1737


GARCIA-GRAJALES, Jesús; BUENROSTRO-SILVA, Alejandra  y  MATA-SILVA, Vicente. Herpetofaunistic diversity of Parque Nacional Lagunas de Chacahua and La Tuza de Monroy, Oaxaca, Mexico. Acta Zool. Mex [online]. 2016, vol.32, n.1, pp.90-100. ISSN 2448-8445.

A list of amphibians and reptiles in the Parque Nacional Lagunas de Chacahua (PNLCh) and La Tuza de Monroy was accomplished; diversity and relative abundance were analyzed quantitatively. The work was carried out monthly and alternated for four locations between February 2009 and February 2010 comprising both drought and wet seasons. Species accumulation curves were constructed based on the Chao2 model and the behavior of single and double species. Fifty two species were registered, distributed in 47 genera and 26 families. The greatest diversity of amphibians (H' = 0.98) was obtained in the rainy season; while in the case of reptiles (H' = 1.14) was during the drought season. The Hutcheson test revealed that the diversity of amphibians among seasons was statistically different (t = 1.22, g. l. = 406, P < 0.05) while there were no significant differences between seasons for reptiles (t = 3.07, g. l. = 489, P > 0.05). Rank-abundance curves show a marked dominance by species common in disturbed sites and by invasive species (Rhinella marina and Hemidactylus frenatus). This work represents a contribution to the knowledge of the Oaxacan herpetofauna from the coastal plains and the PNLCh, and groundwork for future studies on natural history and ecology of this important group of organisms.

Palabras llave : richness; dominance; diversity; amphibians; reptiles; Chacahua.

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