Publications
Browse more than 150,000 publications authored by our scientists over the past 100+ year history of the USGS. Publications available are: USGS-authored journal articles, series reports, book chapters, other government publications, and more.
Upper Midwest Environmental Sciences Center Publications
Filter Total Items: 3223
Reproductive success and nest attentiveness of mallard ducks fed Aroclor 1254
A dietary dosage of 25 ppm Aroclor 1254 fed to nine-month-old mallards Anas platyrhynchos for at least a month before egg-laying had no detrimental effect on reproductive success or nest attentiveness when hens were allowed to incubate their own eggs. The treatment caused no effect on number of hens laying, date of first egg laid or clutch size. Fertility of eggs was greater among Aroclor-treated
Authors
T. W. Custer, G. H. Heinz
Nest site and colony characteristics of wading birds in selected Atlantic Coast colonies
Nests of 5 species of wading birds were identified and marked during the breeding season at 6 locations from Massachusetts to North Carolina. At the end of the breeding season 12 characteristics of nest-site location were measured. Nest locations were mapped to examine dispersion and nearest neighbor relationships. Multivariate analyses were used to describe and compare sites and species. We found
Authors
Donald L. Beaver, Ronald G. Osborn, Thomas W. Custer
Status of projects in Minnesota, fiscal year 1979
No abstract available.
Authors
J. A. Jannis, M.M. Diedrich
Alterations in rainbow trout liver function and body fluids following treatment with carbon tetrachloride or monochlorobenzene
Abstract not submitted to date
Authors
L.J. Weber, W.H. Gingerich, K.F. Pfeifer
Effects of granular 2',5-dichloro-4'-nitrosalicylanilide (Bayer 73) on benthic macroinvertebrates in a lake environment
Abstract not submitted to date
Authors
P.A. Gilderhus
Efficacy of antimycin for control of larval sea lampreys (Petromyzon marinus) in lentic habitats
Abstract not submitted to date
Authors
P.A. Gilderhus