Spatial genetic differentiation correlates with species assemblage turnover across tropical reef fish lineages

Aim: Evaluating the similarity of diversity patterns across micro- to macroevolutionary scales in natural communities, such as species-genetic diversity correlations (SGDC), may inform on processes shaping community assembly. However, whether SGDCs not only hold across communities but also across lineages has never been explored so far. Here we investigated SGDCs across co-distributed taxa for different spatial components (α, β, γ), and formally tested the influence of dispersal traits on β SGDCs. Location: Western Indian Ocean
Time period: 2016–2017
Major taxa studied: Tropical reef fish species with contrasting dispersal traits
Methods: Using ddRADseq single nucleotide polymorphism (SNP) data for 20 tropical reef fishes and distribution data of 2,446 species belonging to 12 families, we analysed the correlations between within-species genetic diversity and within-family species diversity (i.e., lineage diversity) for the three spatial components (α, β, γ SGDCs). We then related the st..., Data set used to perform analyses in \"Spatial genetic differentiation correlates with species assemblage turnover across tropical reef fish lineages\" (Vilcot et al., 2023)
R codes for this study are available on GitHub: https://github.com/mvilcot/reefish_WIO_SGDCs,