Crotalus triseriatus is a venomous pit viper species found in Mexico. Two subspecies are currently recognized, including the nominate subspecies described here. Adult male specimens of C. The maximum recorded total length is
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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. We also found evidence of an ancestral genetic bottleneck and medium values of effective population size.
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Full-text links Cite Favorites. Abstract It is necessary to determine genetic diversity of fragmented populations in highly modified landscapes to understand how populations respond to land-use change. Similar articles Genetic diversity and structure of Crotalus triseriatus , a rattlesnake of central Mexico.
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Publication types Research Support, Non-U. Gov't Actions. MeSH terms Agriculture Actions. Animals Actions. Conservation of Natural Resources Actions. Gene Flow Actions. Genetic Variation Actions. Inbreeding Actions. Mexico Actions. Population Density Actions. Full-text links [x] Springer.
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.
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