Publications
These publications showcase the significant science conducted in our Science Centers.
Filter Total Items: 16780
An unusual case of fish disease caused by Ophyroglena sp
No abstract available.
Authors
G. L. Hoffman
Parasites of North American freshwater fishes
No abstract available at this time
Authors
G. L. Hoffman
Delaware River basin - water data stations, 1967
This report presents information on station-type activities for acquiring surface-water, ground-water, and quality of water data in the Delaware River basin. The information was collected in 1966 through field offices of the Water Resources Division, U.S. Geological Survey as part of a pilot study for the Office of Water Data Coordination. The cooperation and assistance of various Federal, state,
Authors
D.W. Moody, F.L. Shaefer
Geological Survey research 1967
No abstract available.
By
Water Resources Mission Area, Energy and Minerals Mission Area, Energy Resources Program, Mineral Resources Program, National Laboratories Program, Science and Decisions Center, Pennsylvania Water Science Center, Geology, Minerals, Energy, and Geophysics Science Center, Upper Midwest Environmental Sciences Center, Upper Midwest Water Science Center
The breeding bird survey, 1966
A Breeding Bird Survey of a large section on North America was conducted during June 1966. Cooperators ran a total of 585 Survey routes in 26 eastern States and 4 Canadian Provinces. Future coverage of established routes will enable changes in the abundance of North American breeding birds to be measured. Routes are selected at random on the basis of one-degree blocks of latitude and longitude. Ea
Authors
Chandler S. Robbins, Willet T. Van Velzen
Low-temperature incubation using a water supply
Cell and tissue culture has been concerned primarily with homiothermic vertebrate cells which require incubation at about 37 C, and there is a great variety of incubators designed to maintain temperatures which are usually above ambient. The culture of poikilothermic vertebrate cells--and invertebrate, plant, and some microbial cells--can often be carried out at ambient temperatures, but for some
Authors
K. Wolf, M. C. Quimby
Magruder Park Swamp
The last Tuesday in August, between five-thirty and seven in the evening, we zigzaged through this glorious jungle, attended by a family of Wood Pewees for whom we seemed to be stirring up a feast of flying insects. There was gentle background music by Mole Crickets. A few steps in from the playing field and we were out of sight in ten-foot-high Cattails. All through, we met -- as high as w
Authors
N. Hotchkiss, F.M. Uhler
The influence of diet on bile acid production and excretion in chicks
No abstract available.
Authors
J.A. Serafin, M.C. Nesheim
Sixty-seventh Christmas Bird Count. 250. Southern Dorchester County, Md
No abstract available.
Authors
C.S. Robbins