CROTALUS TRISERIATUS PDF

We'd like to understand how you use our websites in order to improve them. Register your interest. The isolated and fragmented populations are highly susceptible to stochastic events, increasing the extinction risk because of the decline in putative adaptive potential and individual fitness. The population has high heterozygosity values and a moderate allelic diversity, the heterozygosity values are higher than in most other Crotalus species and snake studies. Possibly these high levels of genetic diversity can be related to a large founder size, high effective population size, multiple paternity and overlapping generations.

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We'd like to understand how you use our websites in order to improve them. Register your interest. The isolated and fragmented populations are highly susceptible to stochastic events, increasing the extinction risk because of the decline in putative adaptive potential and individual fitness.

The population has high heterozygosity values and a moderate allelic diversity, the heterozygosity values are higher than in most other Crotalus species and snake studies. Possibly these high levels of genetic diversity can be related to a large founder size, high effective population size, multiple paternity and overlapping generations. We found evidence of bottlenecks and the majority of rattlesnakes were unrelated, despite the small sample size, endemic status, the isolated and fragmented habitat.

The genetic information provided in this study can be useful as a first approach to try to make informed conservation efforts for this species and also, important to preserve the habitat of this species; the endangered Abies—Pinus forest of the Nevado the Toluca Volcano.

This is a preview of subscription content, log in to check access. Aldridge R. Google Scholar. Allender M. Allendorf F. In Population viability analysis ed. R Beissinger and D. McCollough , pp. University of Chicago Press, Chicago. Ecography 29 , — Anderson C. Notes 6 , — Andrews K. Behavioral responses to roads and vehicles. Copeia 4 , — Archer F. Accessed 11 February Bache S. R package version, 1.

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It is necessary to determine genetic diversity of fragmented populations in highly modified landscapes to understand how populations respond to land-use change. This information will help guide future conservation and management strategies. We conducted a population genetic study on an endemic Mexican Dusky Rattlesnake Crotalus triseriatus in a highly modified landscape near the Toluca metropolitan area, in order to provide crucial information for the conservation of this species. There was medium levels of genetic diversity, with a few alleles and genotypes. We identified three genetically differentiated clusters, likely as a result of different habitat cover type.

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Go to: main text of page main navigation local menu. Type locality: "Mexico. This restriction is not valid because C. PLoS One 9 6 : e Rattlesnakes: Research Trends and Annotated Checklist.

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