Genetic diversity of invasive populations of the florida crab ( Rhithropanopeus harrisii (Gould, 1841): (Decapoda, Panopidae))

Abstract

The variability of the mtDNA locus COI in the Florida crab (Rhithropanopeus harrisii) of coastal populations of the northern Black Sea is studied. The introduction of this crab species is demonstrated to originate from European populations, most likely the Netherlands. The studied populations experienced a strong decline in the level of genetic variability based on the haplotype diversity, but to a lesser extent based on the nucleotide diversity. Analysis of the structure of decapod community of Crimea makes it possible to discuss the reasons underlying invasive success of the Florida crab in the region.

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