Species Regional Summary
Crangonyx pseudogracilis
Columbia River ( P260 )

Invasion History Vectors Impacts References

Invasion

Invasion Description

1st Recirds: Fairview/OR/Columbia Slough, Incendiary Bridge [45.6106, -122.7553] Samples: 51-WR-02, 52-WR-02, 01-WR-02, Dates: April 16, 2002, June 24, 2002 (Sytsma et al. 2004); Longview/WA/Tidal Drainage Ditch, Columbia River [46.1505, -123.0145] Samples: 46-LK-02, 05-LK-02, Dates: April 18, 2002, June 25, 2002 Temperature: 20C, Salinity:0ppt (Sytsma et al. 2004); Sauvie Island - Gilbert River Boat Ramp, Portland/OR/Columbia River [45.7916, -122.7996] Samples: 07-WR-02, Dates: June 26, 2002 Temperature: 18C, Salinity 0ppt (Sytsma et al. 2004);

Geographic Extent

Fairview/OR/Columbia Slough, Incendiary Bridge [45.6106, -122.7553] Samples: 51-WR-02, 52-WR-02, 01-WR-02, Dates: April 16, 2002, June 24, 2002 (Sytsma et al. 2004); Longview/WA/Tidal Drainage Ditch, Columbia River [46.1505, -123.0145] Samples: 46-LK-02, 05-LK-02, Dates: April 18, 2002, June 25, 2002 Temperature: 20C, Salinity:0ppt (Sytsma et al. 2004); Sauvie Island - Gilbert River Boat Ramp, Portland/OR/Columbia River [45.7916, -122.7996] Samples: 07-WR-02, Dates: June 26, 2002 Temperature: 18C, Salinity 0ppt (Sytsma et al. 2004);

Vectors

Level Vector
Alternate Fisheries Accidental (not Oyster)
Alternate Aquatic Plant Shipments
Alternate Ballast Water

Regional Impacts

References

Full Reference List for Crangonyx pseudogracilis

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