AquaNISInformation system on aquatic non-indigenous and cryptogenic species |
Species | Melanothamnus harveyi | |
Date of the first record (?) | 1986 References: Maggs CA, Stegenga H, (1999) Red algal exotics on North Sea coasts. Helgolander Meeresuntersuchungen 52 (3-4): 243-258. Comments: North Sea and Limfjord |
Recipient region (?) | Country: Denmark LME: 22. North Sea References: Maggs CA, Stegenga H, (1999) Red algal exotics on North Sea coasts. Helgolander Meeresuntersuchungen 52 (3-4): 243-258. Comments: North Sea and Limfjord |
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Source region (?) | LME: 22. North Sea --> LME sub-region: North Sea |
Pathway / Vector (?) | Level of certainty: Highly likely Pathway: Natural spread from neighboring countries Vector: (Possible) Other natural vectors Vector: (Highly likely) Water currents |
Habitat type (?) | Estuary Lagoon Marina Open coast Port vicinity Ports Strait/Sound |
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Wave exposure (?) | Semi exposed Sheltered |
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Salinity range (?) | Exact range: 18 - 30 References (not structured): Paavola M., A. Olenin, E. Leppakoski 2005. Are invasive species most successful in habitats of low native species richness across European brackish water seas? Estuarine, Coastal and Shelf Science, 64: 738-750 |
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Temperature range (?) | Not entered |
Zonation / Substratum (?) | Benthic: Sublittoral within photic zone Substratum: Biogenic (living or nonliving) Hard (cobbles to bedrock) |
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Reproductive duration (?) | Not entered | |
Reproductive seasonality (?) | Not entered | |
Migration pattern (?) | Not entered |
Population status (?) | Established (Low level of certainty) References (not structured): Thomsen M.S., Thomas Wernberg , Peter Stæhr , Dorte Krause-Jensen , Nils Risgaard-Petersen & Brian R. Silliman (2007) Alien macroalgae in Denmark – a broad-scale national perspective, Marine Biology Research, 3:2,61-72, DOI: 10.1080/17451000701213413 |
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Species status (?) | Non-indigenous species References: Staehr PA, Jakobsen HH, Hansen JLS, Andersen P, Christensen J, Göke C, Thomsen MS and Stebbing PD (2020). Trends in records and contribution of non-indigenous and cryptogenic species to marine communities in Danish waters: potential indicators for assessing impact. Aquatic Invasions (2020) Volume 15, Issue 2: 217–244Maggs CA, Stegenga H, (1999) Red algal exotics on North Sea coasts. Helgolander Meeresuntersuchungen 52 (3-4): 243-258. References (not structured): Wallentinus 1999, Wallentinus submitted, Maggs and Stegenga 1999, Thomsen et al 2005 |
Ports | Port: Esbjerg Date of the first record: 2017 Population status: Not entered References: 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 |