Before revision:  Here, we revisited population genetics data on 165 meadows of four seagrass species in light of recent theoretical developments, which provide new expectations for the distributions of genotypic and genetic polymorphism under increasing clonal rates . Contrasting shoot life span and rhizome turnover lead to the prediction of a decreasing influence of asexual reproduction  along a gradient from Posidonia oceanica to Cymodocea nodosa, Zostera marinaand Zostera noltii , which should be reflected by decreasing departure from Hardy-Weinberg equilibrium (Fis) and increasing genotypic diversity (R).
After revision:  Here, we revisited population genetics data on 165 meadows of four seagrass species . Contrasting shoot life span and rhizome turnover lead to the prediction of a decreasing influence of asexual reproduction along a gradient from Posidonia oceanica to Cymodocea nodosa, Zostera marinaand Zostera noltii , which should be reflected by decreasing departure from Hardy-Weinberg equilibrium (Fis) and increasing genotypic diversity (R).