Publications
These publications showcase the significant science conducted in our Science Centers.
Filter Total Items: 16779
Procedure for the analysis of zinc phosphide rodenticides
No abstract available.
Authors
E. Bellack, J.B. DeWitt
Sex ratios in pheasant research and management
Sex ratios are of primary importance in interpretation of extensive studies of pheasant populations. They are necessary for converting crowing-cock indices to population estimates even where annual trends are to be studied in the same area. Reliability of population estimates from hunting season kill of pheasants suffers primarily from inability to estimate sex ratios accurately. Fall sex ra
Authors
F.H. Dale
Venomous Snakes of the United States and Treatment of Their Bites
No abstract available.
Authors
W. H. Stickel
Investigations of methods of determining abundance of breeding mourning doves in certain eastern states
A call count over a 20 mile route (beginning 1/2 hour before local official sunrise and with 20 stops of 3 minutes duration 1 mile apart) gives a more practical index to the abundance of mourning doves in the breeding season than roadside counts and area population studies tried in 1950. Calling activities showed relatively high peaks and low depressions during April and May of 1951, with a plate
Authors
A.J. Duvall, C.S. Robbins
Census of woodcock breeding population in vicinity of Patuxent Refuge, Maryland in 1951
No abstract available.
Authors
R. E. Stewart
Wilson's snipe breeding ground studies in Minnesota, 1951
No abstract available.
Authors
C.S. Robbins
Index of water-resources records in the Delaware River basin to September 30, 1951
This report is an index of all surface-water, ground-water, and quality-of-water data which have been or are now being collected on a continuous or periodic basis, by the U. S. Geological Survey and the cooperating agencies in the Delaware River basin, to September 30, 1951. The index is divided into two principal sections, the surface-water section relating to streams and the ground-water section
Authors