| Impact ID |
Scientific Name
|
Impact Type
|
Study Type
|
Study Location
|
Impact Description
|
Geographic Location
|
Reference
|
|
7744
|
Gymnocephalus cernua
|
Recreation
|
Anecdotal
|
N/A
|
When ruffe (Gymnocephalus cernua) first invaded Lake Superior, it was thought that this species could generate a considerable cost for recreational fishing, particularly by causing a decline in yellow perch (Perca flavescens) populations.
|
Lake Superior
|
33437
|
|
7745
|
Gymnocephalus cernua
|
Recreation
|
Anecdotal
|
N/A
|
The extent of ruffe's contribution to declines in native fish populations remains undecided.
|
|
16140
|