AquaNISInformation system on aquatic non-indigenous and cryptogenic species |
Species | Ensis leei | |
Date of the first record (?) | 1982 - 1986 References (not structured): Hansson H.G. 2009. Marina Syd-Skandinaviska ’Evertebrater’ – ett naturhistoriskt urval. Sven Lovén centrum för marina vetenskaper, Tjärnö http://www.tmbl.gu.se/staff/pdf/Etymol.Nov.2009.pdf (Besökt 2015-10-15) www.frammandearter.se Jensen, Kathe R. (2015): NOBANIS – Invasive Alien Species Fact Sheet – Ensis directus – From: Identification key to marine invasive species in Nordic waters – NOBANIS www.nobanis.org, Date of access 15/10/2015. Comments: Previously 1978 was entered but first observation was from 1986 when mussels belived to be 4 years old where encountered in Bohuslän, arrival as larvae is therefore estimated to 1982. |
Recipient region (?) | Country: Sweden LME: 22. North Sea |
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Source region (?) | LME: 22. North Sea --> LME sub-region: North Sea |
Pathway / Vector (?) | Level of certainty: Possible Pathway: Natural spread from neighboring countries Vector: Water currents Pathway: Vessels Vector: Ballast water References (not structured): www.frammandearter.se Gollasch, S., Kerckhof, F., Craeymeersch, J., Goulletquer, P., Jensen, K., Jelmert, A. and Minchin, D. 2015. Alien Species Alert: Ensis directus. Current status of invasions by the marine bivalve Ensis directus. ICES Cooperative Research Report No. 323. 32 pp. Comments: First introduction to Europe ( Germany) probably by Ballastwater then natural spread to Sweden of larve by water currents (Old formated values: Vector - Unintentional |
Habitat type (?) | Not entered | |
Wave exposure (?) | Not entered | |
Salinity range (?) | Not entered | |
Temperature range (?) | Not entered |
Zonation / Substratum (?) | Not entered | |
Reproductive duration (?) | Not entered | |
Reproductive seasonality (?) | Not entered | |
Migration pattern (?) | Not entered |
Population status (?) | Common (Moderate level of certainty) References (not structured): www.frammandearter.se Gollasch, S., Kerckhof, F., Craeymeersch, J., Goulletquer, P., Jensen, K., Jelmert, A. and Minchin, D. 2015. Alien Species Alert: Ensis directus. Current status of invasions by the marine bivalve Ensis directus. ICES Cooperative Research Report No. 323. 32 pp. |
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Species status (?) | Non-indigenous species Comments: Kattegat |
Created by | Sergej Olenin |
Last update by | Ann-Britt Florin, 2015-10-16 |