[n = 22]
Year / Period | From | To | Established | Ecol. effects |
---|---|---|---|---|
18th century | Northern Europe and French sub-alpine lakes | France | established | |
unknown | Unknown | Norway | unknown | unknown |
unknown | Lake Sevan, Armenia | Kyrgyzstan | established | |
unknown | Unknown | Japan | established | |
unknown | Unknown | Greece | probably established | |
unknown | USSR | Germany | established | probably some |
unknown | Unknown | Québec | probably not established | |
unknown | Unknown | Russian Fed. | established | none |
1936 - 1937 | Baltic countries | Netherlands | not established | |
1965 - 1967 | Unknown | Iran | probably established | unknown |
1957 - 1959 | Former USSR | Romania | established | unknown |
1877 | Northern Europe and Siberia | United States of America | probably not established | unknown |
1880 | Switzerland | Italy | established | |
1882 | Unknown | Czech Republic | established | |
1882 | Unknown | Slovakia | established | |
1953 | Unknown | USSR | not established | |
1954 | Unknown | Turkey | established | |
1955 | Czechoslovakia | Hungary | probably not established | unknown |
1977 | Czechoslovakia | Yugoslavia | probably established | |
1978 | Czechoslovakia | Belgium | established | some |
1978 | Unknown | Bulgaria | established | |
1985 | Russian Fed. | China | unknown | no data |