AquaNISInformation system on aquatic non-indigenous and cryptogenic species |
Species | Spartina x townsendii | |
Date of the first record (?) | 1930 - 1934 References (not structured): Reynolds SCP (2002) A catalogue of alien plants in Ireland. National Botanic Gardens, Glasnevin, Dublin, 414pp. Comments: It is thought to have been planted about 1934. |
Recipient region (?) | Country: Ireland LME: 24. Celtic-Biscay Shelf LME sub-region: Celtic seas References (not structured): Reynolds SCP (2002) A catalogue of alien plants in Ireland. National Botanic Gardens, Glasnevin, Dublin, 414pp. Comments: This angiosperm co-occurs with S. townsendii var. anglica. |
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Source region (?) | Unknown |
Pathway / Vector (?) | Level of certainty: Highly likely Pathway: Management Vector: (Highly likely) Biological habitat management References (not structured): Reynolds SCP (2002) A catalogue of alien plants in Ireland. National Botanic Gardens, Glasnevin, Dublin, 414pp. Comments: It is thought to have been planted in 1934. |
Habitat type (?) | Estuary Lagoon References (not structured): Boyle PJ (1976) Spartina M9. A variant Spartina in three regions northe of Dublin. Scientific Proceedings of the Royal Dublin Society Series A: 5: 415-427. Comments: It co-occurs with S. townsendii var. anglica on the high shore. |
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Wave exposure (?) | Sheltered Comments: It co-occurs with S. townsendii var. anglica on the high shore in sheltered environments. |
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Salinity range (?) | Not entered | |
Temperature range (?) | Not entered |
Zonation / Substratum (?) | Benthic: Supralittoral Substratum: Soft (mud to pebbles) Comments: It co-occurs with S. townsendii var. anglica on the high shore. |
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Reproductive duration (?) | Unknown Comments: The plant reproduces asexually, plants are otherwise infertile. | |
Reproductive seasonality (?) | Not entered | |
Migration pattern (?) | Not entered |
Population status (?) | Unknown (Low level of certainty) References (not structured): Boyle PJ (1976) Spartina M9. A variant Spartina in three regions northe of Dublin. Scientific Proceedings of the Royal Dublin Society Series A: 5: 415-427. Boyle PJ (1977) Spartina on Bull Island. In DW Jeffrey (ed). North Bull Island, Dublin Bay, a modern coastal natural history. Royal Dunlin Society, Dublin , 88-92. Hackney P (1980) A first record of Spartina x townsendii H & Groves in NE Ireland. Irish Naturalists Journal 20: 46. McCorry M, Ryle T (2009) Saltmarsh Monitoring Project, Final Report 2009. A report for the Research Branch, National Parks and Wildlife Service 196pp. Reynolds SCP (2002) A catalogue of alien plants in Ireland. National Botanic Gardens, Glasnevin, Dublin, 414pp. Comments: The current status of this plant is unknown. Plants at Bull Island were removed at some time during the 1970s. It has been reported from other sites about Ireland but many of these are accounts are thought to be dubious (Reynolds). This form may now be extinct, there being no recent records. |
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Species status (?) | Non-indigenous species References (not structured): Boyle PJ (1976) Spartina M9. A variant Spartina in three regions northe of Dublin. Scientific Proceedings of the Royal Dublin Society Series A: 5: 415-427. |
Created by | Dan Minchin |
Last update by | Dan Minchin, 2013-11-21 |