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AquaNISInformation system on aquatic non-indigenous and cryptogenic species |
| Species | Acartia (Acanthacartia) tonsa | |
| Date of the first record (?) | 1930 |
| Recipient region (?) | Country: Finland LME: 23. Baltic Sea |
|
| Source region (?) | Unknown |
| Pathway / Vector (?) | Level of certainty: Possible Pathway: Natural spread from neighboring countries Vector: Water currents Pathway: Vessels Vector: Ballast water |
| Habitat type (?) | Estuary Open coast Ports |
|
| Wave exposure (?) | Not entered | |
| Salinity range (?) | Venice system: 2. β-Oligohaline [0.5-3psu] 3. α-Oligohaline [3-5psu] 4. β-Mesohaline [5-10psu] 5. α-Mesohaline [10-18psu] 6. Polymixohaline [18-30psu] References: Paavola M, Olenin S, Leppäkoski E (2005) Are invasive species most successful in habitats of low native species richness across European brackish water seas? Estuarine, Coastal and Shelf Science 64(4), 738-750 |
|
| Temperature range (?) | Not entered |
| Zonation / Substratum (?) | Pelagic: Littoral (Pelagic) Neritic |
|
| Reproductive duration (?) | Not entered | |
| Reproductive seasonality (?) | Not entered | |
| Migration pattern (?) | Not entered |
| Population status (?) | Common (Moderate level of certainty) Comments: Finnish monitoring data (HELCOM monitoring programme). Common in the Gulf of Finland. |
|
| Species status (?) | Non-indigenous species |
| Ports | Port #1/5: Hamina Date of the first record: 2020 Population status: Not entered References: HELCOM/OSPAR Ballast Water Exemptions Decision Support Tool. Last visited 10.03.2020. http://jointbwmexemptions.org/ballast_water_RA/apex/f?p=104:13. Comments: Recorded probably much earlier. Port #2/5: Helsinki Date of the first record: 2020 Population status: Not entered References: HELCOM/OSPAR Ballast Water Exemptions Decision Support Tool. Last visited 10.03.2020. http://jointbwmexemptions.org/ballast_water_RA/apex/f?p=104:13. Comments: Recorded probably much earlier. Port #3/5: Kotka Date of the first record: 2020 Population status: Not entered References: HELCOM/OSPAR Ballast Water Exemptions Decision Support Tool. Last visited 10.03.2020. http://jointbwmexemptions.org/ballast_water_RA/apex/f?p=104:13. Comments: Recorded probably much earlier. Port #4/5: Naantali Date of the first record: 2020 Population status: Not entered References: HELCOM/OSPAR Ballast Water Exemptions Decision Support Tool. Last visited 10.03.2020. http://jointbwmexemptions.org/ballast_water_RA/apex/f?p=104:13. Comments: Recorded probably much earlier. Port #5/5: Turku Date of the first record: 2020 Population status: Not entered References: HELCOM/OSPAR Ballast Water Exemptions Decision Support Tool. Last visited 10.03.2020. http://jointbwmexemptions.org/ballast_water_RA/apex/f?p=104:13. Comments: Recorded probably much earlier. |
| Created by | Sergej Olenin |
| Last update by | Stephan Gollasch, 2020-03-10 |