Database records: Dreissena rostriformis compressa, et Star.
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coastline
Bathymetry 10m
Bathymetry 20m
Bathymetry 50m
Bathymetry 100m
Bathymetry 500m
lakes
rivers
sensitive areas
partial reserves
state nature reserves
nature monuments
regional zoological reserves
complex landscape reserves
buffer zones
botanical gardens
grid
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