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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Bulletin of the Maryland Herpetological Society At the finest scale of 0. Flores-Villela noted that isolation and the variety of environmental conditions owing to rugged topography were primary factors contributing to the radiation and differentiation of herpetofauna species see also Smith et al.

Previous Issues – Mesoamerican Herpetology

Four of these six canyons are deeper than the Grand Canyon, some by over m. Cornell University Press, Ithaca, pp. Our goal is to place this checklist into a regional and conservation context not available in previously published checklists. Related articles in Web of Science Google Scholar. In terms of habitat types, 47 species are found in the temperate forests of the Sierra Madre Occidental.

One-dimensional analyses of Rapoport’s rule reviewed through meta-analysis. In extreme southeastern Chihuahua the occurrence of the Mexican Black-headed Snake Tantilla atriceps is expected. Receive exclusive offers and updates from Oxford Academic. Hciapas is a species of arid and semiarid habitats on plains, hills, and low mountain slopes. Anura in Chihuahua, Mexico.

Twenty-one of the 73 species of snakes are endemic to Mexico Conopsis nasusLeptophis diplotropisMastigodryas cliftoniPituophis deppeiSalvadora bairdiiSonora aemulaSympholis lippiensTrimorphodon tauGeophis dugesiiLampropeltis polyzonaLeptodeira splendidaRhadinaea hesperiaRhadinaea laureataTropidodipsas repletaMicrurus distansStoreria storerioidesThamnophis erransThamnophis melanogasterThamnophis unilabialisThamnophis validusand Crotalus basiliscus.

Traditionally, it has been thought that the cause of pattern richness is an abundance of resources, such as net primary productivity e. Bulletin of the American Museum of Natural History Hyla wrightorum Taylor, Van Devender and Van Devender While checklists for Chihuahua are available e.


There are endemic species of reptile in Mexico, and available records allowed us to model of these. It is likely that at least four other turtle species occur in Chihuahua. The chronological distribution of these publications is the following: Distributional patterns of the herpetofauna of Mesoamerica, a biodiversity hotspot.

The values were calculated with linear models LM for richness—endemism for comparative purposes only, and with geographically weighted regression GWR for all. One species Lithobates forreri is widely distributed from northern Mexico to Central America, with a range that extends from central western Sonora through the Pacific Coast to Costa Rica.

Map with locality records used to model the distribution areas. Smithawe expand on these earlier efforts by also collecting and summarizing the conservation statuses for each documented species. These results suggest that particular conservation attention should be paid to the Sierra Madre Occidental and the Chihuahuan Desert habitat types in Chihuahua. Craugastoridae in Costa Rica. List of species of Mexican herpetofauna, showing endemism and whether or not the species could be modelled.

However, there are species of conservation concern in Chihuahua. General distribution Thirteen of the 38 species of amphibians that inhabit Chihuahua are endemic to Mexico, one of them Lithobates lemosespinali is restricted to a small area in the Sierra Madre Occidental of Chihuahua, and another Isthmura sierraoccidentalis is found only in an isolated population in the Sierra Madre Occidental of Sonora and Chihuahua.

Patterns were found to vary with the scale used for richness and endemism, and these patterns were not coincident. Salvador and John O.

Helodermatidaein a tropical dry forest of the Motagua Valley, Guatemala. State lists used to compare the species composition between Chihuahua and the adjoining states were: The deepest canyon is Urique Canyon, 1, m in depth; Batopilas Canyon is 1, m deep; Sinforosa Canyon is 1, m deep; and Copper Canyon is 1, m deep Martin et al.


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In addition, considering patterns at different scales of values one for each spatial scalealpha areas may be distinguished, in which local richness is very important, and beta areas, in which replacement contributes more to regional richness see Supporting Information Figs S1, S2. Intersections of each class were subsequently performed with grids in Arc View 3. This method allowed us to explore non-stationary relationships among variables i. Photo courtesy of Robert Bryson.

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

We generated an ecological niche model for individual species. Two are from Coahuila, including one from the extreme northwestern corner, in the Sierra del Carmen Cjiapas Anderson CG, Greenbaum E.

Centrolenidae in Costa Rica. Thirty-eight are amphibians, and reptiles. Teiidae in central Mexico. Five more range from Canada to northern or central Mexico Opheodrys vernalisPituophis chiapaDiadophis punctatusThamnophis elegansand Thamnophis sirtalis.

Another anuran species likely to occur in extreme northeastern Chihuahua is the Gulf Coast Herpetofana Incilius nebulifer. List of collections and number of records representing the database herpettofauna to generate the species distribution models and the potential distribution ranges used for the analyses.

The results showed that: Distribution of salamanders along elevational transects in Mexico and Guatemala. However, turtles in Chihuahua are a group of particular conservation concern. Proceedings of the National Academy of Sciences Van Devender and Lowe Email alerts New issue alert. Oedipina from the central Caribbean foothills of Costa Rica.