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Publications

This list of publications includes peer-review journal articles, official USGS publications series, reports and more authored by scientists in the Ecosystems Mission Area. A database of all USGS publications, with advanced search features, can be accessed at the USGS Publications Warehouse.  

Filter Total Items: 41763

Report of the International Board of Inquiry for the Great Lakes Fisheries

This is the report of the International Board of Inquiry relative to the preservation and development of the Great Lakes fisheries as provided by an exchange of notes between Canada and the United States on February 29, 1940. The report aims to present in a very brief manner the background of the establishment of the Board, its program, and the fishery problems that confronted it with particular
Authors
Hubert R. Gallagher, A.G. Huntsman, D. J. Taylor, John Van Oosten

A comparative study of the breeding bird population of Shenandoah Mountains, Virginia

WHILE working on habitat studies of the Ruffed Grouse (Bonasa umbellus) in the George Washington National Forest during the late spring and early summer of 1941, the author found it possible to carry out a supplemental study on the relative abundance of the breeding birds of the area. Since considerable time was spent in traversing certain sections of the forest in search of Ruffed Grouse broods,
Authors
R. E. Stewart

Bachman's sparrow in Maryland

The Bachman's Sparrow (Aimophila aestivalis bachmani) is known to be quite rare and irregular in distribution in the northern part of its range. Because of this the northern limits of its range have been rather ill-defined. According to the A. 0. U. Check-List, Fourth Edition: 343, 1931, this bird ranges north to central Virginia in the eastern part of its range and is casual near Washington, D. C
Authors
R. E. Stewart, B. Meanley

Hooded warbler in North Dakota

he 1942 warbler migration at Kenmare, Ward County, North Dakota, was rich in species (seventeen) for a locality so far west on the Great Plains. On June 1, near the end of the northward flight, I found a male Hooded Warbler singing in shrubby undergrowth on a wooded coulee slope on the Des Lacs National Wildlife Refuge, about two miles south of Kenmare. The bird was observed at close range for sev
Authors
N. Hotchkiss

The common pine snake in West Virginia

No abstract available.
Authors
L. M. Llewellyn

Vitamin A deficiency in quail

Two experiments were conducted to determine the symptoms of avitaminosis A in growing and adolescent bobwhites. Chicks from parents that have received a diet rich in vitamin A may have enough stored to carry them a week or ten days on a growing diet deficient in vitamin A before symptoms of deficiency occur. The first sign is ruffled feathering, with the wing primaries standing out from the body a
Authors
R. B. Nestler, W. W. Bailey

Polygamous mating of bobwhite quail kept in captivity

No abstract available.
Authors
R. B. Nestler, L. Llewellyn