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: 41918
Current techniques in the study of elusive wilderness carnivores
No abstract available.
Authors
L. D. Mech
Urban planning and urban wildlife, a case study of a planned city near Washington, D.C
No abstract available.
Authors
A. D. Geis
The costs and effects of chronic exposure to low-level pollutants in the environment
No abstract available.
Authors
L. F. Stickel
Lead and delta-ALAD enzyme in canvasbacks: A 3-year survey
No abstract available.
Authors
M. P. Dieter, M. T. Finley
Some effects of pollutants in terrestrial ecosystems
Summary: Pollutants tend to simplify plant and animal communities by causing a progressive loss of species. At the extreme, this leads to erosion and loss of soil fertility. Weedy, broadly adapted species increase. Among animals, carnivorous species and groups are often the first to suffer. This is partly because of their exposure at the top of the food chain, and partly, it appears, because of
Authors
W. H. Stickel
Captive breeding of whooping cranes at the Patuxent Wildlife Research Center
No abstract available.
Authors
R.C. Erickson
The status of the wolf in the United States, 1973
No abstract available.
Authors
L. D. Mech, R.A. Rausch
Distribution and density of bird species hazardous to aircraft
Only in the past 5 years has it become feasible to map the relative abundance of North American birds. Two programs presently under way and a third that is in the experimental phase are making possible the up-to-date mapping of abundance as well as distribution. A fourth program that has been used successfully in Europe and on a small scale in parts of North America yields detailed information on
Authors
C.S. Robbins