2013
DOI: 10.1002/ece3.856
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Environmental factors influence both abundance and genetic diversity in a widespread bird species

Abstract: Genetic diversity is one of the key evolutionary variables that correlate with population size, being of critical importance for population viability and the persistence of species. Genetic diversity can also have important ecological consequences within populations, and in turn, ecological factors may drive patterns of genetic diversity. However, the relationship between the genetic diversity of a population and how this interacts with ecological processes has so far only been investigated in a few studies. H… Show more

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Cited by 20 publications
(11 citation statements)
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References 86 publications
(150 reference statements)
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“…Although the number of polymorphic microsatellite markers was relatively low, and a large set of SNP markers will be more suited to get insight into population divergence and selection at the genetic level, results for microsatellites were nevertheless consistent with a pattern of IBA, and thus support the morphological data in the notion that adaptive processes are more important than neutral ones in driving population divergence. Our results suggesting that divergent natural selection is a main driver of intraspecific variation in this species are in agreement with findings for populations in Norway (Holand, Jensen, Tufto, & Moe, ), Brazil (Lima et al., ), and France (Liu et al., ). However, these studies were conducted at much smaller scales, with much fewer populations.…”
Section: Discussionsupporting
confidence: 93%
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“…Although the number of polymorphic microsatellite markers was relatively low, and a large set of SNP markers will be more suited to get insight into population divergence and selection at the genetic level, results for microsatellites were nevertheless consistent with a pattern of IBA, and thus support the morphological data in the notion that adaptive processes are more important than neutral ones in driving population divergence. Our results suggesting that divergent natural selection is a main driver of intraspecific variation in this species are in agreement with findings for populations in Norway (Holand, Jensen, Tufto, & Moe, ), Brazil (Lima et al., ), and France (Liu et al., ). However, these studies were conducted at much smaller scales, with much fewer populations.…”
Section: Discussionsupporting
confidence: 93%
“…In contrast, populations in mainland Norway and associated islands showed low‐to‐moderate divergence, most likely caused by IBD (Jensen et al., ). Similarly, weak but significant structure was observed in native populations in Belgium (Vangestel et al., ) and France (Liu et al., ), and in introduced populations in Brazil (Lima et al., ).…”
Section: Methodsmentioning
confidence: 88%
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“…TDF are characterized by a marked seasonality with long dry periods and a short rainy season, which renders an ecosystem dominated by high temporal and spatial habitat heterogeneity (Olson et al ., ). Seasonality and habitat heterogeneity can directly affect patterns of genetic diversity and structure in animal species (Vázquez‐Domínguez, Hernández‐Valdés & Rojas‐Santoyo, ; Liu et al ., ). Particularly in TDF, some rodent species show demographic fluctuations associated with seasonality, exhibiting significant genetic diversity changes in concert with population density fluctuations (e.g.…”
Section: Introductionmentioning
confidence: 97%
“…According to Pfenninger et al (2011) factors potentially shaping genetic diversity are geographical marginality, environmental marginality, habitat size, potential biotic interactions, range expansions and dispersal barriers. Liu et al (2013) suggest that ecological factors can have strong impacts on both population size per se and intrapopulation genetic variation even at a small scale. On a more general level, our data indicate that a patchy environment and low dispersal rate can result in fine-scale patterns of genetic diversity.…”
Section: Genotype Of Mackerel Scads Is Presented Inmentioning
confidence: 99%