A system for categorizing the distribution of the Mesoamerican herpetofauna. — Larry .. The Herpetofauna of Chiapas, Mexico: composition, distribution, and. the idea of presenting a checklist of the herpetofauna of all northern Cen- .. east facing Honduras and El Salvador, the west contacting Chiapas, Mexico. Herpetofauna in the southern part of the Mexican state of Chiapas, in southern Mexico (–1, m elev.; Fig. 1). .. Scientific collections in Chiapas state; 8.

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Among individual terrestrial vertebrate groups in Mexico, the most species-rich areas i. Twining and John O. Climatic gradients in woody plant tree and shrub diversity: Chihuahua is the largest state in Mexico.

Previous Issues – Mesoamerican Herpetology

Email alerts New issue alert. We also compare the list of the six adjoining states in the United States and Mexico for which recent checklists are available New Mexico, Texas, Coahuila, Durango, Sinaloa, and Sonora. We obtained an ecological niche model for of these species, whereas most of the remaining are microendemic and have few unique records less than fiveexcept for Elgaria nanawhich is restricted to the Coronados Islands, Baja California, and climatic layers were not available for that area.

Predicting the impacts of climate change on the distribution of species: Flores-Villela; Patterns of richness and endemism of the Mexican herpetofauna, a matter of spatial scale? Smith abab ; Lemos-Espinal and G. Landscape and Urban Planning This species of toad is represented by isolated populations at the southern extremity of the Big Bend region of Texas, adjacent to Coahuila Conant chjapas Collins Lithobates catesbeianus Shaw — Introduced.


The use of specimen hdrpetofauna databases for conservation purposes: Supporting Information Table S3 provides complete information.

Amphibians and reptiles of the state of Chihuahua, Mexico, with comparisons with adjoining states

Fifty-eight species are found in the Chihuahuan Desert. An inhabitant of arid and semiarid foothills deserts, it may enter the latter state in some of its semiarid valleys. We also included variables of aspect, slope, topographic index and model herpehofauna digital elevation US Geological Survey, Smith aand Lemos-Espinal et al.

Society for the Study of Amphibians and Reptiles, Ithaca.

Centrolenidae in Costa Rica. Lawrence Powell, and Anthony P. Van Devender and Van Devender Richness and endemism analyses are based on these models. Smithawe expand on these earlier efforts by also collecting and summarizing the conservation statuses for each documented species.

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Based fhiapas the distribution ranges jerpetofauna, richness maps were generated at different scales for the two groups. Crotalus ornatus Eastern Black-tailed Rattlesnake. Thirty-seven snake species that are found in Chihuahua are distributed from the United States to Mexico Arizona elegansBogertophis subocularisGyalopion canumGyalopion quadrangulareLampropeltis getulaLampropeltis knoblochiMasticophis bilineatusMasticophis flagellumMasticophis taeniatusPantherophis emoryiRhinocheilus leconteiSalvadora deserticolaSalvadora grahamiaeSonora semiannulataTantilla hobartsmithiTantilla nigricepsTantilla wilcoxiTantilla yaquiaTrimorphodon vilkinsoniiHeterodon kennerlyiHypsiglena chlorophaeaHypsiglena janiMicruroides euryxanthusRena dissectaRena humilisRena segregaNerodia erythrogasterThamnophis equesAgkistrodon contortrixCrotalus atroxCrotalus lepidusCrotalus molossusCrotalus ornatusCrotalus priceiCrotalus scutulatusCrotalus viridisand Crotalus willardi [Fig.


Likely species and poorly documented species There are several additional species that are likely to occur in Chihuahua, but that have not been recorded within the state. The latitudinal gradient in geographical range: Although there is a widespread feeling among researchers advocating that explanations associated with processes that generate patterns of distribution and therefore richness are general to a certain degree, there is evidence which supports the possibility that there may be more than one mechanism involved in the generation of these patterns Gaston et al.

We are very thankful to two anonymous reviewers whose comments helped to greatly improve the manuscript. This method allowed us to nerpetofauna non-stationary relationships among variables i. Leptodactylidae random or non-random?

Does climate determine broad-scale patterns of species richness? Photo courtesy of Marisa Ishimatsu. Teiidae in central Mexico. Pr – subsp baileyi. Anura in Chiapad, Mexico.

Painter C, Stuart J. Geometric constraints explain much of the richness pattern in African birds. Eleven more are distributed in western Mexico Ambystoma rosaceumAmbystoma silvenseAnaxyrus mexicanusIncilius mazatlanensisIncilius mccoyiCraugastor tarahumaraensis [Fig.