Native To: Atlantic Ocean
(CABI 2011)
Date of U.S. Introduction:
Known to have been present in Lake Ontario in 1873. Possibly native to Lake
Ontario. Present in Lake Erie in 1931, Huron in 1933, Michigan in 1949, and Lake
Superior in 1954 (Miller 1957)
Images: Invasive.org and Google
Means of Introduction:
Spread to Great Lakes Lake Erie through the Welland Canal (Nova
Scotia Fisheries and Aquaculture 2007); presumed to have spread
from Lake Erie to other Great Lakes via the Detroit
River and Lake St. Clair (Miller 1957);
intentionally stocked in inland waters (Stahlnecker
2000)
Impact: Various impacts to
native species (CABI 2011)
Current U.S. Distribution:
Great Lakes; Inland waters throughout Eastern U.S. (NAS Database
map)
Management Plans: Aquatic Species / Alewife
Selected Internet Resources:
|
