Impact ID |
Scientific Name
|
Impact Type
|
Study Type
|
Study Location
|
Impact Description
|
Geographic Location
|
Reference
|
3885
|
Salmo trutta
|
Competition
|
Anecdotal
|
N/A
|
Oncorhynchus mykiss & Salmo trutta directly compete for resources
|
Great Lakes
|
13595
|
5096
|
Salmo trutta
|
Competition
|
Observational
|
Field
|
Fausch and White (1981) found that adult brown trout displaced adult native brook trout from the best habitats in a Michigan stream and from the northeast in general.
|
Au Sable River, Michigan
|
24353
|
5097
|
Salmo trutta
|
Competition
|
Observational
|
Field
|
Waters (1999) observed a large-scale replacement of brook trout by brown trout following the introduction of brown trout in Valley Creek, MN. Brown trout production increased to 95% of trout biomass in the stream by the end of the 15-year study
|
Valley Creek, MN
|
24359
|
5098
|
Salmo trutta
|
Competition
|
Observational
|
Field
|
Surges of resources due to salmon entering Great Lakes streams may provide greater benefit to the more competitive brown trout, and further increases brown trout abundance may be at the expense of brook trout
|
Great Lakes
|
37631
|
5099
|
Salmo trutta
|
Competition
|
Experimental
|
Laboratory
|
In a laboratory experiment with artificial streams, the presence of brown trout reduced the survival and fitness related traits of Atlantic salmon
|
|
37632
|
5100
|
Salmo trutta
|
Competition
|
Anecdotal
|
N/A
|
Brown trout may hinder the reintroduction of Atlantic salmon in Lake Ontario and other native ranges
|
|
37629
|
5197
|
Salmo trutta
|
Competition
|
Experimental
|
Laboratory
|
In model simulations, Salmo trutta indirectly reduced populations of Perca fluviatilis due to resource competition when re-introduced into west-central European Lake Constance.
|
|
37903
|
7804
|
Salmo trutta
|
Competition
|
Anecdotal
|
N/A
|
Brown trout (Salmo trutta) and rainbow trout (Oncorhynchus mykiss) were deemed, at least partially, responsible for the extirpation of Arctic grayling (Thymallus arcticus) half a century ago in Michigan, its only known location in the Great Lakes basin.
|
Great Lakes, USA
|
16494
|