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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: 41771

Nationwide estimates of blackbirds and starlings

No abstract available.
Authors
B. Meanley, W.C. Royall

The California condor recovery plan

No abstract available.
Authors
S.R. Wilbur

Influence of stimuli from populations of Peromyscus leucopus on maturation of young

The effects of stimuli associated with conspecific laboratory populations on parameters of sexual maturation in Peromyscus leucopus were examined. Beginning at birth, experimental litters were exposed to the constant infusion of urine, feces, and other material from the populations through a metabolism funnel into their cages. As evidenced by age at first vaginal estrus, experimental females mat
Authors
J.G. Rogers, G.K. Beauchamp

Blood values of the canvasback duck by age, sex and season

Blood samples were obtained from canvasback ducklings from Manitoba and Saskatchewan and from immature and adult canvasbacks on the Mississippi River near LaCrosse, Wisconsin and the Chesapeake Bay. These samples were used to determine baseline data on red cell counts, hematocrit, total protein, glucose, cholesterol, hemoglobin and distribution of plasma proteins. Calculations were also made to d
Authors
R. M. Kocan, S.M. Pitts