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January 1, 1941

Age, growth, and production of the yellow perch, Perca flavescens (Mitchill), of Saginaw Bay Age, growth, and production of the yellow perch, Perca flavescens (Mitchill), of Saginaw Bay

Ages were determined and individual growth histories computed from the examination and measurement of scales from 820 yellow perch collected in 1929 and 1930. Calculated lengths greater than 101 millimeters were computed on the assumption (supported by empirical data) that the ratio of body length to scale length is constant. Lengths below 101 millimeters were determined with the aid of...

Authors

Ralph Hile, Frank W. Jobes

Ecosystems Mission Area, Great Lakes Science Center

January 1, 1940

The age and growth of fresh-water fishes The age and growth of fresh-water fishes

No abstract available.

Authors

John Van Oosten

Ecosystems Mission Area, Great Lakes Science Center

January 1, 1940

Tagging experiments with lake trout, whitefish, and other species of fish from Lake Michigan Tagging experiments with lake trout, whitefish, and other species of fish from Lake Michigan

A total of 2,902 Lake Michigan fish was tagged and released, 48.8 per cent of which were lake trout and 85 per cent lake trout, lake herring, and whitefish. A total of 388 fish or 13.4 per cent was recaptured. The percentages of returns indicated a tremendous fishing intensity for lake trout, whitefish, and sturgeon. About 81 per cent of the recaptured fish were retaken within a radius...

Authors

Oliver H. Smith, John Van Oosten

Ecosystems Mission Area, Great Lakes Science Center

January 1, 1940

The smelt, Osmerus mordax (Mitchill) The smelt, Osmerus mordax (Mitchill)

No abstract available.

Authors

John Van Oosten

Ecosystems Mission Area, Great Lakes Science Center

January 1, 1939

The distribution of cottid fishes in Lake Michigan The distribution of cottid fishes in Lake Michigan

Abstract has not been submitted

Authors

Hilary J. Deason

Ecosystems Mission Area, Great Lakes Science Center

January 1, 1939

Battle rages over closing Potagannissing Bay to commercial fishermen Battle rages over closing Potagannissing Bay to commercial fishermen

Abstract has not been submitted

Authors

John Van Oosten

Ecosystems Mission Area, Great Lakes Science Center

January 1, 1939

Migratory fish, a problem of interstate cooperation? Migratory fish, a problem of interstate cooperation?

Bobwhite quail chicks, when given a choice of balanced diets in which the essential difference was the protein supplement, showed preferences for one diet containing 49 per cent peanut oil meal, another containing a mixture of 9 per cent meat and bone scraps (50% protein) with 38 per cent soybean oil meal, and a third (control) diet containing a mixture of 16 per cent dried buttermilk...

Authors

John Van Oosten, William C. Adams, William L. Finley, Fred A. Westerman

Ecosystems Mission Area, Great Lakes Science Center

January 1, 1939

Save the Great Lakes fisheries! Save the Great Lakes fisheries!

During the winters of 1939-40 and 1940-41, two experiments involving 456 bobwhite quail, were conducted at the Patuxent Research Refuge, Bowie, Maryland, to determine the palatability and comparative feeding value of 20 common wild quail-foods when offered as a part of a maintenance diet....2. Mortality was low on all diets, the highest occurring on that containing a mixture of bayberry...

Authors

John Van Oosten

Ecosystems Mission Area, Great Lakes Science Center

January 1, 1939

Report to the Michigan State Senate on the fisheries of Potagannissing Bay, Michigan Report to the Michigan State Senate on the fisheries of Potagannissing Bay, Michigan

No abstract available.

Authors

Fred A. Westerman, John Van Oosten

Ecosystems Mission Area, Great Lakes Science Center

January 1, 1939

The age, growth, sexual maturity, and sex ratio of the common whitefish, Coregonus clupeaformis (Mitchill), of Lake Huron The age, growth, sexual maturity, and sex ratio of the common whitefish, Coregonus clupeaformis (Mitchill), of Lake Huron

During five years (1939-43) of nutritional research on pen-reared bobwhite quail at the Patuxent Research Refuge, Bowie, Maryland, observations on picking among birds of all ages showed the following results: 1. Picking occurred on all grains tested: corn, wheat, oats, oat groats, barley, millet, buckwheat, kaffir, and mixtures of cereals. The lowest incidence was with buckwheat as the...

Authors

John Van Oosten

Ecosystems Mission Area, Great Lakes Science Center

January 1, 1939