Abstract
Nineteen polymorphic microsatellite loci were identified and developed for Natrix maura. Polymorphism was assessed for 120 individuals sampled across four sampling sites from the French Pyrenees Mountains. The number of alleles per locus ranged from 3 to 15, and expected heterozygosity per locus ranged from 0.227 to 0.863. We tested for deviation from Hardy–Weinberg equilibrium and linkage disequilibrium and assessed the presence of null alleles for all loci, resulting in a selection of 14 high‐quality polymorphic markers. These markers will be extremely useful in identifying fine‐scale genetic structures and providing insight into conservation management plans of this species.
Highlights
Anthropogenic activities have already led to massive species extinc‐ tion, and this loss of biodiversity is expected to continue at an un‐ precedented pace (Ceballos, Ehrlich, & Dirzo, 2017)
Global warming is likely the most preoccupying threat given the potential synergy with many other environmental changes (Cahill et al, 2013; Thomas et al, 2004), impacting organisms at both the individual and popula‐ tion levels and resulting in local increase in extinction risks, species redistribution and community reshuffling (Aubret & Shine, 2010; Pauls, Nowak, Bálint, & Pfenninger, 2013; Walther et al, 2002)
When the conservation status of a given pop‐ ulation is uncertain, genetic studies constitute an indirect and valu‐ able approach to assess the impacts of these environmental threats on levels of population genetic diversity and structure, effective dis‐ persal, demographic status and possible past and future responses to global change (Segelbacher et al, 2010)
Summary
Anthropogenic activities have already led to massive species extinc‐ tion, and this loss of biodiversity is expected to continue at an un‐ precedented pace (Ceballos, Ehrlich, & Dirzo, 2017). The viperine snake is threatened by multiple fac‐ tors, such as aquatic pollution, habitat loss and fragmentation, direct destruction by humans because of confusion with venomous vipers and climate change (Santos & Fernández Cardenete, 2015; Santos & Llorente, 2009). All of these environmental threats are likely to in‐ teract significantly, impacting viperine snake populations (Gangloff, Sorlin, Cordero, Souchet, & Aubret, 2019; Muthoni, 2010). We isolated and characterized 19 new polymorphic microsatellite markers for N. maura using Illumina high‐throughput sequencing
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