An Open Access Journal
Table 5 Geographical distribution of the identified literature
Region | Investigated inland waterway | No. of publications | Sum |
|---|---|---|---|
Europe | Danube | 3 | 18 |
Rhine | 10 | ||
Danube and Rhine | 4 | ||
Danube, Rhine, and Elbe | 1 | ||
North America | Mackenzie River | 1 | 1 |
Asia | Yangtze | 2 | 2 |
Australia | – |  | 0 |
Africa | – |  | 0 |
South America | – |  | 0 |