Table 4. The status of nonindigenous species by major organism groups in the Baltic Sea.
Group/Status | Established | Nonestablished | Status unknown |
Phytoplankton | 5 | 0 | 1 |
Zooplankton | 5 | 0 | 3 |
Bottom vegetation | 8 | 1 | 1 |
Benthic invertebrates | 32 | 4 | 8 |
Nekto-benthic invertebrates | 13 | 1 | 0 |
Invertebrate parasites | 3 | 0 | 0 |
Fish | 8 | 11 | 10 |
Birds | 1 | 0 | 0 |
TOTAL | 69 | 17 | 22 |
Note:
Includes also data from: [32].