AquaNISInformation system on aquatic non-indigenous and cryptogenic species |
Species | Magallana gigas | |
Date of the first record (?) | 1972 References: Jensen KR & Knudsen J (2005). A summary of alien marine benthic invertebrates in Danish waters. Oceanological and Hydrobiological Studies Vol XXXIV, Supplement 1: 137-162. Comments: Limfjord |
Recipient region (?) | Country: Denmark LME: 22. North Sea References: Jensen KR & Knudsen J (2005). A summary of alien marine benthic invertebrates in Danish waters. Oceanological and Hydrobiological Studies Vol XXXIV, Supplement 1: 137-162. References (not structured): Wrange et al 2009, Biol Invasions Comments: Also found in (western) Limfjord |
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Source region (?) | Country: Germany --> LME: 22. North Sea; LME sub-region: North Sea |
Pathway / Vector (?) | Level of certainty: Highly likely Pathway: Natural spread from neighboring countries Vector: (Highly likely) Water currents References (not structured): Wrange et al 2009, Biol Invasions Comments: Old formated values: Pathway - Aquaculture; Vector - Intentional |
Habitat type (?) | Aquaculture sites Estuary Lagoon Marina Open coast Port vicinity Ports Strait/Sound References: Andersen JH, Kallenbach E, Kjeldgaard MB, Knudsen SW, Eikrem W, Fagerli C, Oug E, Dahle T, Thaulow J, Gitmark J, Hobæk A, Green N, Hesselsøe M, Bekkevold D, Jacobsen LMW, Kuhn J, Støttrup J, Møller PR, Olesen CAa, Carl H & Stuer-Lauridsen F (2022). A baseline study of the occurrence of non-indigenous species in Danish harbours. NIVA Denmark report. |
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Wave exposure (?) | Exposed | |
Salinity range (?) | Not entered | |
Temperature range (?) | Not entered |
Zonation / Substratum (?) | Benthic: Littoral (Benthic) Sublittoral within photic zone Substratum: Artificial (manmade) Biogenic (living or nonliving) Hard (cobbles to bedrock) References (not structured): Wrange et al 2009, Biol Invasions |
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Reproductive duration (?) | Not entered | |
Reproductive seasonality (?) | Not entered | |
Migration pattern (?) | Not entered |
Population status (?) | Common (Moderate level of certainty) | |
Species status (?) | Non-indigenous species References: Jensen KR & Knudsen J (2005). A summary of alien marine benthic invertebrates in Danish waters. Oceanological and Hydrobiological Studies Vol XXXIV, Supplement 1: 137-162. References (not structured): Knudsen 1989, Nehring 2006 Comments: ´= C. angulata |
Ports | Port: Esbjerg Date of the first record: 2017 Population status: Not entered References: Berggreen UC, Larsen K 2018. A baseline studyof the occurenceof non-indigenousspecies in Danish harbours. Presentation at the 9th Meeting of the Joint HELCOM/OSPAR Task Group on Ballast Water Management Convention Exemptions (TG Ballast). Gothenburg, Sweden. 13 slides. Andersen Jesper H., Emilie Kallenbach, Mathias Brink Kjeldgaard, Steen W. Knudsen, Wenche Eikrem, Camilla Fagerli, Eivind Oug, Trine Dahle, Jens Thaulow, Janne Gitmark, Anders Hobæk, Norman Green, Martin Hesselsøe, Josianne Støttrup, Jesper Kuhn, Dorte Bekkevold, Lars Magnus Wulf Jacob-sen, Peter Rask Møller, Christian Aakjær Olesen, Henrik Carl, Frank Stuer-Lauridsen. 2020. A baseline study of the occurrence of non-indigenous species in Danish harbours. NIVA Denmark Water Research. Draft Report, 159 pp. |
Created by | Stephan Gollasch |
Last update by | Kim Lundgreen, 2021-02-23 |