Species Regional Summary
Gammarus tigrinus
None ( NA-S3 )

Invasion History Vectors Impacts References

Invasion

Invasion Description

1st Records: Quebec/Baie Comeau, St. Lawrence River Estuary (Bousfield 1958); Montmagny/Quebec/St. Lawrence River Estuary (Bousfield 1958); Montreal area//Quebec/Richer R. (St. Lawrence River tributary) (Bousfield 1958); St. Tite des Caps/Quebec/St. Lawrence River Estuary (Bousfield 1958); Islet sur Mer/Quebec/St. Lawrence River Estuary (Bousfield 1958)

Populations in the inner Saint Lawrence Estuary are genetically divergent from presumably native populations in the southern Gulf (Kelly et al. 2006) (New Brunswick: Caraquet River estuary; Mirimichi Estuary; Prince Edward Island; Nova Scotia: Pugwash estuary, Bousfield 1958)

Geographic Extent

Quebec/Baie Comeau, St. Lawrence River Estuary (Bousfield 1958); Montmagny/Quebec/St. Lawrence River Estuary (Bousfield 1958); Montreal area//Quebec/Richer R. (St. Lawrence River tributary) (Bousfield 1958); St. Tite des Caps/Quebec/St. Lawrence River Estuary (Bousfield 1958); Islet sur Mer/Quebec/St. Lawrence River Estuary (Kelly et al. 2006); Cap Brule´/Quebec/St. Lawrence River Estuary (Kelly et al. 2006).

Vectors

Level Vector
Alternate Ballast Water
Alternate Canal

Regional Impacts

References

Full Reference List for Gammarus tigrinus

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