Table 1

Overview of ICS and NICS distribution in different biogeographical regions (defined according to during the current survey. Number of recorded population per species and region are given, as well as belonging to sea basin.

Biogoegraphic region

Continental Alpine Mediterranean
Species/Sea basin Black Sea Black Sea and Adriatic Sea Adriatic Sea
Astacus astacus 28 4 1
Astacus leptodactylus 5 0 0
Austropotamobius pallipes 0 6 10
Austropotamobius torrentium 8 4 0
Pacifastacus leniusculus 2 0 0
Orconectes limosus 13 0 0
Procambarus fallax f.virginalis 1 0 0

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