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: 41764
The solubility of 3-bromo-4-nitrophenol in water and acetone
No abstract available.
Authors
B.R. Willeford
Biology of young lake trout (Salvelinus namaycush) in Lake Michigan
Experimental fishing with gill nets of 5 mesh sizes (2 3/8 to 3 inches) in Lake Michigan in 1930-32 yielded more than 16,000 young lake trout. Data are presented here on age, growth, length-weight relationship, abundance, geographical and bathymetric distribution, and other details of their biology.
Authors
John Van Oosten, Paul H. Eschmeyer
Recent concepts regarding the importance of game harvests as they affect population levels from year to year
No abstract available.
Authors
F.H. Dale
Lophortofilaria californiensis, N.G., N. Sp. (Filarioidea, Dipetalonematidae) from California quail, Lophortyx californicus, with notes on its microfilaria
A new genus and a new species of a filariod nematode, Lophortofilaria californiensis, from the California quail, Lophortyx californicus, has been described, with observations on periodicity of its microfilariae.
Authors
E.E. Wehr, C. M. Herman
Recent developments in wildlife disease studies in the Northeast
No abstract available.
Authors
C. M. Herman
Validity of mail survey data on bagged waterfowl
Knowledge of the pattern of occurrence and characteristics of response errors obtained during an investigation of the validity of post-season surveys of hunters was used to advantage to devise a two-step method for removing the response-bias errors from the raw survey data. The method was tested on data with known errors and found to have a high efficiency in reducing the effect of response-bias e
Authors
E. L. Atwood
Fifty-sixth Christmas Bird Count. 147. Southern Dorchester County, Md
Summary and Recommendations: We suggest that managers are approaching the limits of their ability to improve waterfowl harvest management, primarily because the information needed to make better decisions is being sacrificed by the current approach to setting regulations. We propose an actively adaptive management strategy in which regulatory decisions play a dominant role in reducing uncertaint
Authors
C.S. Robbins
New bird repellents for longleaf seed
No abstract available.
Authors
B. Meanley, W.F. Mean, H.J. Derr