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Most studies of biological invasions refer to the human role in species dispersal but the importance of ectozoochory has scarcely been studied. Thus, we investigated whether the first alien amphipod species found in the Iberian Peninsula, North American Crangonyx pseudogracilis can be dispersed by waterfowl. To do this, we showed experimentally that the amphipod may cling to the plumage and legs of...
The monkey goby (Neogobius fluviatilis) is one of the Ponto-Caspian species that in recent decades made substantial East-to-West invasions in European inland waters. Now the species is present in the Danube as far as its Slovakian section. In the last decade the species also invaded the Western Bug and Vistula rivers, in the latter it is numerous nearly as far as its delta. The purpose of our study...
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