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: 41753
Returns from banded birds: Some longevity records of wild birds
Records indicating the possible life-span of birds in the wild are accumulating in the return file for banded birds. In Bird-Banding, vol. viii, 1937, p. 52-65, a number of these were published. The expressed interest in this phase of bird life, together with the increased amount of material, seem to justify further publication on this subject. These papers by no means exhaust the subject; probabl
Authors
May Thacher Cooke
Protein requirements of bobwhite chicks for survival, growth and efficiency of feed utilization
During the summer and fall of 1939 four experiments were conducted at the Patuxent Research Refuge, Bowie, Maryland, to determine the protein requirements of bobwhite chicks. A total of 816 chicks were used to compare six levels of protein, namely, 22,24,26, 28, 30, and 32 per cent.....From the three standpoints of survival, rate of growth, and efficiency of feed utilization for the first ten week
Authors
R. B. Nestler, W. W. Bailey, H. E. McClure
The industrial aspects of pheasant and quail propagation in North America for 1939-40
No abstract available.
Authors
R. B. Nestler, A.L. Nelson
Check list of marsh and aquatic plants of the United States
No abstract available.
Authors
N. Hotchkiss
Birds as a factor in controlling insect depredations
No abstract available.
Authors
Clarence Cottam, F.M. Uhler
Observations on the natural and artificial propagation of the smallmouth black bass, Micropterus dolomieu
No abstract available.
Authors
E. W. Surber