Book Chapters
Science Quality and Integrity
The USGS provides unbiased, objective, and impartial scientific information upon which our audiences, including resource managers, planners, and other entities, rely.
The USGS provides unbiased, objective, and impartial scientific information upon which our audiences, including resource managers, planners, and other entities, rely.
Browse more than 5,500 book chapters authored by our scientists over the past 100+ year history of the USGS and refine search by topic, location, year, and advanced search.
Filter Total Items: 6155
Inhibition of mallard salt gland function by DDE and organophosphates Inhibition of mallard salt gland function by DDE and organophosphates
The effects of selected environmental pollutants on avian salt gland function were studied in the mallard duck, Anas pZatyrhynchos. DDE and several organophosphates were found to have an inhibitory effect on the ability of these glands to concentrate and secrete salt from the body. DDE significantly reduced secretion rates from the salt glands. More severe effects were observed following...
Authors
Milton Friend, John H. Abel
Monitoring the breeding habitats of migratory waterfowl Monitoring the breeding habitats of migratory waterfowl
No abstract available at this time
Authors
D.S. Gilmer, A.T. Klett, E.A. Work
Mortality in captive sandhill cranes at the Patuxent Wildlife Research Center, 1966-1975 Mortality in captive sandhill cranes at the Patuxent Wildlife Research Center, 1966-1975
No abstract available.
Authors
J. W. Carpenter, L. N. Locke, J.C. Miller
Nighttime tests of remote sensors for census of sandhill cranes Nighttime tests of remote sensors for census of sandhill cranes
No abstract available.
Authors
R. E. Munro, J. C. Lewis
Preliminary assessment of aerial photography techniques for canvasback population analysis Preliminary assessment of aerial photography techniques for canvasback population analysis
Recent intensive research on the canvasback has focused attention on the need for more precise estimates of population parameters. During the 1972-75 period, various types of aerial photographing equipment were evaluated to determine the problems and potentials for employing these techniques in appraisals of canvasback populations. The equipment and procedures available for automated...
Authors
R. E. Munro, D.L. Trauger
Studies of bighorn in Joshua Tree National Monument Studies of bighorn in Joshua Tree National Monument
No abstract available at this time
Authors
C. L. Douglas
Summary of recent information regarding effects of PCBs on birds and mammals Summary of recent information regarding effects of PCBs on birds and mammals
No abstract available.
Authors
Rey C. Stendell
Tectonic framework of petroliferous rocks in Alaska: hydrocarbons Tectonic framework of petroliferous rocks in Alaska: hydrocarbons
Alaska, which contains about 28% of the land and continental shelf of the United States, is estimated by the U.S. Geological Survey to contain about one third of the nation's undiscovered oil and about one sixth of its undiscovered natural gas. The Survey estimates that fields discovered in Alaska through 1972 ultimately may produce about 26 billion bbl of oil and 68 Tcf of natural gas...
Authors
Arthur Grantz, C.E. Kirschner
The effects of petroleum hydrocarbons on aquatic birds The effects of petroleum hydrocarbons on aquatic birds
No abstract available.
Authors
M. P. Dieter
Trumpeter swan, Cygnus buccinator Richardson Trumpeter swan, Cygnus buccinator Richardson
No abstract available.
Authors
W.E. Banko, A.W. Schorger
Whooping crane studies at the Patuxent Wildlife Research Center Whooping crane studies at the Patuxent Wildlife Research Center
No abstract available.
Authors
R.C. Erickson
Wildlife diseases: philosophical considerations Wildlife diseases: philosophical considerations
Wildlife diseases are studied because of their adverse impact on human health, agriculture, or wildlife conservation. Viewpoints from these three major areas of concern are not always compatible, yet the ecological nature of disease makes it essential that each is recognized and understood. Within wildlife agencies, resistance or apathy toward controlling wildlife disease arises because...
Authors
M. Friend