Publications
These publications showcase the significant science conducted in our Science Centers.
Filter Total Items: 16780
Some effects of aldrin-treated rice on Gulf Coast wildlife
Wildlife casualties from aldrin-dieldrin poisoning are associated with the planting of aldrin-treated rice seed along the Texas Gulf Coast. The fulvous tree duck (Dendrocygna bicolor), which depends on the rice field habitats and is highly susceptible to aldrin-dieldrin poisoning, is suffering a serious population decline in that area. Dead waterfowl, shorebirds, and passerines were collected on
Authors
Edward L. Flickinger, K. A. King
Birds imported into the United States in 1969
No abstract available.
Authors
R.C. Banks, R. B. Clapp
Mammals imported into the United States in 1970
No abstract available.
Authors
J.L. Paradiso, R.D. Fisher
Use of banding data in migratory game bird research and management
No abstract available.
Authors
A. D. Geis
Distribution of the duck harvest in Canada and the United States
No abstract available.
Authors
A. D. Geis, F.G. Cooch
Comparative Dietary Toxicities of Pesticides to Birds
This report presents measurements of the lethal dietary toxicity of 89 pesticidal chemicals to young bowhites, Japanese quail, ring-necked pheasants, and mallards. Toxicity is expressed as the median lethal concentration (LC 50) of active chemical in a 5-day ad libitum diet. LC 50's and associated statistics are derived by methods of probit analysis. Endrin consistently was the most toxic chem
Authors
R.G. Heath, J. W. Spann, E. F. Hill, J.F. Kreitzer
Bibliography on methods of analyzing bird banding data, with special reference to the estimation of population size and survival
No abstract available.
Authors
D.R. Anderson
An Analysis of the Population Dynamics of Selected Avian Species--With Special References to Changes During the Modern Pesticide Era
The impact of pesticides on the mortality rates and recruitment rates of nongame birds during the last 25 years was evaluated by studying the population dynamics of 16 species. A mathematical model showing the relations between population parameters that yielded stable populations was developed. The information needed for the model included (1) mortality rate schedule (obtained from recoveries of
Authors
C. J. Henny
Food resources of the California condor
Conclusions and Recommendations: Although much of the above information is imprecise and inconclusive, it is evident that the condors foraging habitat is diminishing. Food supply probably is still adequate for free-ranging nonbreeding birds, but could become limited if current land use trends continue. Congregating condors on fewer and fewer acres could be detrimental in other ways. It seems t
Authors
S.R. Wilbur
Summary of research upon the yuma clapper rail and the masked bobwhite quail
No abstract available.
Authors
R. E. Tomlinson