Migratory behavior of fish tagged at a nuclear power plant discharge into Lake Michigan Page: 4 of 31
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charges entering Lake Michigan from electric generating
,d nuclear) are popular and productive sport fishing
ty, however, there has been much concern and speculation
imental effects on fish due to their apparent attraction to
acid exposure to abnormal water temperatures. This concern
*'LspLct of an increasing number of large nuclear power plants
, and a continuing desire to maintain and improve the recently
Sfishery. Laboratory studies by numerous workers have
erred, optimum, and lethal temperatures for captive fish;
s known about the behavioral responses of free-swimming
K sh relative to thermal discharges.
-s .d species composition of fish at the Point Beach thermal
-:ate widely with season, primarily as a result of the migrations
'stream spawning) salmonids and alewife (Romberg et al., 1973).
;f these fishes are in this area during their respective spawning
.rably as a response to current and/or elevated temperature.
I numerous power plant discharges on Lake Michigan also show
+onal differences in the species and numbers of fish.
AfijdIes conducted primarily in the spring of each year, between
'/ the Wisconsin Department of Natural Resources (DNR) indicate
tendencies in Lake Michigan for trout species (Daly, 1968 -
"' " , these studies may reflect different movement patterns than
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Romberg, G.P.; Spigarelli, S.A.; Prepejchal, W. & Thommes, M.M. Migratory behavior of fish tagged at a nuclear power plant discharge into Lake Michigan, article, January 1, 1974; Illinois. (digital.library.unt.edu/ark:/67531/metadc1023978/m1/4/: accessed December 10, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.