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January 1, 1963

Some phases of the life history of the trout-perch Some phases of the life history of the trout-perch

The trout-perch, Percopsis omiscomaycus (Walbaum), is one of the more abundant forage fishes in the larger lakes of midwestern United States and central Canada where walleye, Stizostedion v. vitreum (Mitchill), yellow perch, Perca flavescens (Mitchill), and coregonids predominate. It has been suggested that it may have considerable effect on perch and walleye populations of these lakes...

Authors

John L. Magnuson, Lloyd L. Smith

Ecosystems Mission Area, Great Lakes Science Center

January 1, 1963

The movement, heterogeneity, and rate of exploitation of walleyes in northern Green Bay, Lake Michigan, as determined by tagging The movement, heterogeneity, and rate of exploitation of walleyes in northern Green Bay, Lake Michigan, as determined by tagging

The Michigan waters of northern Green Bay are an important center for commercial and sport fishing. This 400-square-mile area has supported a commercial fishery for many years but the development of the intensive sport fishery is more recent, mostly since World War II. The commercial fishery is based on several species, whereas anglers are particularly interested in the walleye...

Authors

Walter R. Crowe, Ernest G. Karvelis, Leonard S. Joeris

Ecosystems Mission Area, Great Lakes Science Center

April 1, 1962

Temperature correction in conductivity measurements Temperature correction in conductivity measurements

Electrical conductivity has been widely used in freshwater research but usual methods employed by limnologists for converting measurements to conductance at a given temperature have not given uniformly accurate results. The temperature coefficient used to adjust conductivity of natural waters to a given temperature varies depending on the kinds and concentrations of electrolytes, the...

Authors

Stanford H. Smith

Ecosystems Mission Area, Great Lakes Science Center

January 1, 1962

Spring and summer temperatures of streams tributary to the south shore of Lake Superior, 1950-60 Spring and summer temperatures of streams tributary to the south shore of Lake Superior, 1950-60

No abstract available.

Authors

Bernard R. Smith

Ecosystems Mission Area, Great Lakes Science Center

January 1, 1962

Dissolved oxygen in Lake Erie, past and present Dissolved oxygen in Lake Erie, past and present

No abstract available.

Authors

John F. Carr

Ecosystems Mission Area, Great Lakes Science Center

January 1, 1962

An instance of upwelling along the east shore of Lake Michigan An instance of upwelling along the east shore of Lake Michigan

No abstract available.

Authors

James W. Moffett

Ecosystems Mission Area, Great Lakes Science Center

January 1, 1962

Collection and analysis of commercial fishery statistics in the Great Lakes Collection and analysis of commercial fishery statistics in the Great Lakes

No abstract available.

Authors

Ralph Hile

Ecosystems Mission Area, Great Lakes Science Center

January 1, 1962

Quantitative sampling with the orange-peel dredge Quantitative sampling with the orange-peel dredge

Abstract has not been submitted

Authors

James W. Merna

Ecosystems Mission Area, Great Lakes Science Center

January 1, 1962

Distribution and seasonal movements of Saginaw Bay fishes Distribution and seasonal movements of Saginaw Bay fishes

No abstract available.

Authors

Ira A. Carr

Ecosystems Mission Area, Great Lakes Science Center

January 1, 1962

Comparative toxicity of 3-trifluormethyl-4-nitrophenol (TFM) to larval lampreys and eleven species of fishes Comparative toxicity of 3-trifluormethyl-4-nitrophenol (TFM) to larval lampreys and eleven species of fishes

The tolerances of larval lampreys, rainbow trout, and 10 species of warmwater fishes to 3-trifluormethyl-4-nitrophenol (TFM), a selective lamprey larvicide, were determined in three dilution waters of different physical and chemical characteristics. Differential toxic effects of the chemical to larval lampreys and test fishes varied broadly with the species of fish. Smallmouth bass and...

Authors

Vernon C. Applegate, Everett L. King

Ecosystems Mission Area, Great Lakes Science Center

January 1, 1962