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Aquatic bacterial assemblage structure in Pozas Azules, Cuatro Cienegas Basin, Mexico: Deterministic vs. stochastic processes
Espinosa-Asuar, Laura; Gasca-Pineda , Jaime; Blaz , Jazmín; Peña, Lorena; Eguiarte, Luis Enrique; Souza, Valeria; Escalante, Ana Elena.
Affiliation
  • Espinosa-Asuar, Laura; Autonomous University of Mexico. Department of Evolutionary Ecology. Mexico City. Mexico
  • Gasca-Pineda , Jaime; Autonomous University of Mexico. Department of Evolutionary Ecology. Mexico City. Mexico
  • Blaz , Jazmín; Autonomous University of Mexico. Department of Evolutionary Ecology. Mexico City. Mexico
  • Peña, Lorena; Autonomous University of Mexico. Department of Evolutionary Ecology. Mexico City. Mexico
  • Eguiarte, Luis Enrique; Autonomous University of Mexico. Department of Evolutionary Ecology. Mexico City. Mexico
  • Souza, Valeria; Autonomous University of Mexico. Department of Evolutionary Ecology. Mexico City. Mexico
  • Escalante, Ana Elena; Autonomous University of Mexico. Institute of Ecology. National Laboratory of Sustainability Sciences. Mexico City. Mexico
Int. microbiol ; 18(2): 105-115, jun. 2015. ilus, tab
Article in En | IBECS | ID: ibc-143388
Responsible library: ES1.1
Localization: BNCS
ABSTRACT
The aim of this study was to determine the contributions of stochastic vs. deterministic processes in the distribution of microbial diversity in four ponds (Pozas Azules) within a temporally stable aquatic system in the Cuatro Cienegas Basin, State of Coahuila, Mexico. A sampling strategy for sites that were geographically delimited and had low environmental variation was applied to avoid obscuring distance effects. Aquatic bacterial diversity was characterized following a cultureindependent approach (16S sequencing of clone libraries). The results showed a correlation between bacterial beta diversity (1-Sorensen) and geographic distance (distance decay of similarity), which indicated the influence of stochastic processes related to dispersion in the assembly of the ponds’ bacterial communities. Our findings are the first to show the influence of dispersal limitation in the prokaryotic diversity distribution of Cuatro Cienegas Basin (AU)
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Full text: 1 Collection: 06-national / ES Database: IBECS Main subject: 24959 / Water Bacteriological Characteristics Country/Region as subject: Mexico Language: En Journal: Int. microbiol Year: 2015 Document type: Article
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Full text: 1 Collection: 06-national / ES Database: IBECS Main subject: 24959 / Water Bacteriological Characteristics Country/Region as subject: Mexico Language: En Journal: Int. microbiol Year: 2015 Document type: Article