Record Display for the EPA National Library Catalog

RECORD NUMBER: 4 OF 5

OLS Field Name OLS Field Data
Main Title Revised Estimates of Growth Requirements and Lethal Temperature Limits of Juvenile Walleyes.
Author Hokanson, K. E. F. ; Koenst, W. M. ;
CORP Author Environmental Research Lab.-Duluth, MN.
Year Published 1986
Report Number EPA/600/J-86/225;
Stock Number PB87-170429
Additional Subjects Fresh water fishes ; Growth ; Temperature measurement ; Luminous intensity ; Lethal dosage ; Heat tolerance ; Experimentation ; Reprints ; Walleyes ; Stizostedion vitreum
Holdings
Library Call Number Additional Info Location Last
Modified
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Status
NTIS  PB87-170429 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 06/21/1988
Collation 7p
Abstract
The optimum temperature for growth of juvenile walleyes (Stizostedion vitreum) was estimated by rearing fish under a low light intensity (i.e., 5 lx). The upper lethal temperature was estimated by slowly raising the acclimation temperature 0.5 C/d until death occurred. The estimates of 26 C and 34.1 C, respectively, were similar to those observed for juvenile walleyes in outdoor experimental channels, but were higher than those determined in the laboratory by one of the present authors for Minnesota walleyes. Some possible sources of error include the light intensity differences between experiments, which can influence predator-prey interactions (ration levels) in laboratory tanks, and the methods of fish acclimation to lethal temperature.