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: 41772
Recent observations of Eurasian watermilfoil in Currituck Sound, North Carolina, and other coastal southeastern states
No abstract available.
Authors
T.E. Crowell, J.H. Steenis, J.L. Sincock
Unusual sighting of American avocet (Recurvirostra americana) on St. George Island
No abstract available.
Authors
D.T. Harke, J.F. Stowers
Three species of Plasmodium from Canada geese, Branta canadensis
Studies on Canada geese at the Seney National Wildlife Refuge in northern Michigan during the past few years have uncovered at least three species of Plasmodium: P circumflexum, P. relictum, and P. vaughani. Although rarely observed in direct blood smears from the wild hosts, isodiagnosis, using primarily domestic geese as recipients, revealed a prevalence of 60 percent in random samplings of the
Authors
C. M. Herman, J.H. Barrow
Haemoproteus, a blood parasite, in domestic pigeons and mourning doves in Maryland
The occurrence of Haemoproteus in pigeons throughout the world and in mourning doves in the United States is reviewed. Haemoproteus has previously been reported only once from pigeons in Maryland. During this study it was found in all of 18 pigeons from one area but in none of 12 from an adjacent area. No infections were found in 90 Maryland mourning doves. All of the 10 mourning doves from Florid
Authors
J. O. Knisley, C. M. Herman
Population changes in Delaware--from the Breeding Bird Survey, 1966
No abstract available.
Authors
J. T. Linehan
Occurrence of the saw-whet owl in Florida
On 31 October 1965 at 1000 hours we observed and collected a Saw-whet Owl (Aegolius acadicus) in adult plumage and in apparently good physical condition at Ponte Vedra, St. Johns County, Florida. The bird flew from beneath a truck to a cross beam in a garage adjoining a large, fresh-water, wooded swamp dominated by cabbage palms (Sabal palmetto). We found a regurgitated pellet and a freshly killed
Authors
F.H. Lesser, A.R. Stickley