Publications
These publications showcase the significant science conducted in our Science Centers.
Filter Total Items: 16783
Breeding-bird populations in Delaware's urban woodlots
No abstract available.
Authors
J. T. Linehan, R. E. Jones, J. R. Longcore
Test of grit types in alleviating lead poisoning in mallards
No abstract available.
Authors
A.J. Godin
Factors influencing waterfowl counts on aerial surveys, 1961-66
No abstract available.
Authors
R.K. Martinson, C.F. Kaczynski
Retention of extra-wide, lock-on, and regular bands on waterfowl
In tests of three types of bands -- extra-wide bands, lock-on bands, and regular U.S. Fish and Wildlife Service bands -- little difference was noted in the retention qualities of the three types on waterfowl. Therefore, there appeared to be no advantage in using either the extra-wide or the lock-on type of band rather than the regular band now in use by waterfowl banders on this continent. Water
Authors
R.K. Martinson, C. J. Henny
The green-winged teal: Its distribution, migration, and population dynamics
No abstract available.
Authors
G. Moisan, R.I. Smith, R.K. Martinson
Relation between male courtship activities and nesting of American woodcock
No abstract available.
Authors
A. D. Geis
What's being done about blackbird control at the Bureau of Sport Fisheries and Wildlife Research Center Eastern Branches?
No abstract available.
Authors
J.L. Seubert
Swatara Creek basin of southeastern Pennsylvania: An evaluation of its hydrologic system
Local concentrations of population in the Swatara Creek basin of Pennsylvania find it necessary to store, transport, and treat water because local supplies are either deficient or have been contaminated by disposal of wastes in upstream areas. Water in the basin is available for the deficient areas and for dilution of the coal-mine drainage in the northern parts and the sewage wastes in the southe
Authors
Wilbur Tennant Stuart, William J. Schneider, James W. Crooks