Invasion
Invasion Description
1st Record: Yucatan/Mexico (1999, Melton et al. 2016a, exact location unknown)
Geographic Extent
Yucatan/Mexico (1999, Melton et al. 2016, exact location unknown); Surfside Beach/TX/Freeport Harbor Channel (2/26/2013, Melton et al. 2016, 28°56'12.5"N 95°17'41.5"W); Galveston Jetty, Galveston/TX/Gulf of Mexico (3/25/2013, Melton et al. 2016, 29°19'52.9"N 94°43'24.3"W; Orange Beach/AL/Perdido Pass (3/16/2013, Melton et al. 2016, 30°16'27.5"N 87°33'34.1"W); Destin/FL/Choctwatchee Bay (3/15/2012, Melton et al. 2016, 30°23'11.1"N 86°30'54.1"W); Port St. Joe/FL/Saint Joseph Bay (8/9/2012, Melton et al. 2016, 29°48'54.4"N 85°18'42.0"W); FL/Tampa Bay (8/11/2012, Melton et al. 2016, 27°53' 26.4"N 82°32'19.6"W); Siesta Key/FL/Gulf of Mexico (8/15/2013, Melton et al. 2016, 27°14'48.5"N 82°32'10.1"W); FL/Florida Bay (5/17/2015, Melton et al. 2016, 25°6’4.45”N; 80°26’24.51”W); Watson Island, Miami/FL/Biscayne Bay (3/27/2014, Melton et al. 2016, 25°47'02.5"N 80°10'20.8"W); Fort Pierce/FL/Fort Pierce Inlet (8/10/2013,,Melton et al. 201627°28'15.0"N 80°17'21.2"W); Cocoa/FL/Indian River Lagoon (8/10/2013, Melton et al. 2016, 28°21'20.3"N 80°43'14.8"W);
Vectors
| Level | Vector |
|---|---|
| Alternate | Hull Fouling |
| Alternate | Ballast Water |
Regional Impacts
| Ecological Impact | Competition | |
Ulva ohnoi forms extensive green mats covering seagrass beds and negatively affecting them (Melton et al. 2016a) | ||
| Ecological Impact | Habitat Change | |
Ulva ohnoi forms extensive green mats covering seagrass beds and mangrove routes, and negatively affecting them (Melton et al. 2016a). | ||
| Economic Impact | Aesthetic | |
Massive floating blooms, 'green tides' of U. ohnoi were seen in southern Japan, and at Deering Estate, Biscayne Bay, Florda, and near near Brazos Santiago Pass, South Padre | ||