| population structure and effective/census population size ratio in threatened three-spined stickleback populations from an isolated river basin in northwest spain. | variability at 20 microsatellite loci was examined to assess the population genetic structure, gene flow, and effective population size (n(e)) in three populations of three-spined stickleback (gasterosteus aculeatus) from the upper basin of the miño river in galicia, nw spain, where this species is threatened. the three populations showed similar levels of genetic diversity. there is a significant genetic differentiation between the three populations, but also significant gene flow. n(e) estimat ... | 2015 | 25917285 |