The three Lake Superior lean strains (Isle Royale, Marquette, and Apostle Island) were not distinct, and appeared to represent a single Lake Superior lean strain with a substantial amount of genetic overlap.
A Superior Success Story | January–February 2017 - Minnesota DNR
Lake trout are native to the Great Lakes and were historically the top predator in the Lake Superior fish community. They are well adapted to these cold, clear, infertile waters. Once represented by many strains, lake trout have been reduced to …
In June 1986, 703 thousand yearling lake trout of three strains were stocked on three, closely grouped reefs in the refuge (Table 1). The Marquette domestic strain of lake trout originated from Lake Superior and the brood stock was maintained at …
Using strain-specific genetic information to estimate the …
Nov 13, 2024 · For simplicity we combined all seven distinct strains originating in Lake Superior, described by Page et al. (2003) and Larson et al. (2021), as “Lake Superior strain.”
On the North Shore, rainbow trout stocking goes wild
Apr 23, 2020 · A change in the strain of rainbow trout stocked in Lake Superior by the Minnesota DNR marks the dawn of a new era for North Shore anglers. For decades, the agency raised domesticated Kamloops strain rainbows in hatcheries for stocking in Lake Superior tributaries.
Apr 19, 2024 · the Lake Superior fish made up 47% of all stocking followed by the Seneca Lake strain at 31%, and the Lewis Lake and Green Lake strains at 11% each (Appendix A).
trout strains, both natural and domestic, were available. In 1972 and 1973, three domestic strains of rainbow trout, Donaldson, Madison, and Kamloops, were stocked and their performances in Lake Superior were evaluated (Close and Hassinger 1981). Results indicated that the Kamloops strain was the best suited for a put-grow-and-take fishery
Siscowet Lake Trout and the Value of Uneconomic Resources
Mar 5, 2009 · The siscowet strain is found only in Lake Superior because it adapted specifically to the uniquely deep, cold water of the world’s second largest freshwater lake. With enlarged eyes and up to 70% body fat they are well suited for deep …
Ecomorphological Diversity of Lake Trout at Isle Royale, Lake Superior ...
Jun 25, 2014 · Four Lake Trout Salvelinus namaycush morphs were identified from Isle Royale, Lake Superior; the morphs differed in shape, traits linked to feeding and locomotion, buoyancy, and physical habitat use.
Herein we characterize the Elk Lake strain of lake trout using genetic and morphometric methods and make comparisons to contemporary and historical populations from Lakes Michigan and...