Record Display for the EPA National Library Catalog


OLS Field Name OLS Field Data
Main Title Oxygen Requirements of Larvae of the Smallmouth Bass, 'Micropterus dolomieui' Lacepede.
Author Spoor, W. A. ;
CORP Author Environmental Research Lab.-Duluth, MN.
Year Published 1984
Report Number EPA/600/J-84/215;
Stock Number PB85-160463
Additional Subjects Bass ; Oxygen ; Larvae ; Water pollution ; Dissolved gases ; Survival ; Exposure ; Temperature ; Mortality ; Sensitivity ; Reprints ;
Library Call Number Additional Info Location Last
NTIS  PB85-160463 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 8p
Smallmouth bass larvae became highly sensitive to oxygen deficiency on the second day after hatching and continued so to the 10th day. During this period they could not survive exposure to 1 mg O2/1 for 3 h at 20C, and many were killed within 1 h. At 2 mg O2/1 half the larvae survived 3 h at 20C; at 2.5 mg/1 most survived, and at 3.5 mg/1 all survived. Resistance to oxygen deficiency was regained by the 11th day, the majority of the larvae withstanding a 3-h exposure at 1 mg O2/1. At 25C the effects of low oxygen concentration were intensified.